C6 corvette ac delco spark plugs

C6 corvette ac delco spark plugs. Oct 5, 2006 · Received 754 Likes on 464 Posts. Reply Like. There are several variances between the two. I run AC Delco R45TS plugs in my '77 L82 4Speed 370 Gear. Likes: 31. 045" gap. Aug 31, 2015 · Corvette Spark Plug Set, 8 pieces, ACDelco Iridium LS1, LS2, LS3, LS6 Engines Only Keep your C5 Corvette all GM and tuned up with our AC Delco Spark Plugs for 1997-2004 Chevrolet C5 Corvettes and 2005-2013 C6 Corvettes. Sold in a set of 8. C4 Tech/Performance. Jul 16, 2007 · Received 22 Likes on 8 Posts. I have had great success with the AC Delco Rapid-fire Spark Plugs on the C4. C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine. 57-70 Reproduction AC-Delco # 44 Spark Plug w/Green Stripe. The ones i pulled off ACDELCO 12621258 41-110 a bit confused as these do not seem correct? (ran fine) Seeing a lot of conflicting information, i put a cam/long tubes in and Feb 11, 2014 · Received 1,202 Likes on 926 Posts. The new part number is AC Delco# 41-629 Gap to . For the LS3, most seem to go with Jun 7, 2020 · Wayne, the plugs you need are AC Delco FR5LS. If the R43TSs were fouling, the R45TS may be just what you need. For plug wires, a stock set will work well if the engine is stock or even has mild mods. 8 per car. Dec 5, 2014 · C5 Tech - AC Delco says don't use 41-110 plugs in C5's ? - I was under the impression that the plug was a Iridium 41-110 but I came across this Bulletin, Subject: ACDelco Spark Plugs 41-110 and 41-962 - Application Update Feb 5, 2015 · Step 3 – Locate the old wires and prepare to remove one at a time. The Insist on genuine AC spark plugs - designed specifically for use in your Corvette. ACDelco plugs #41-162. Apr 19, 2010 · Geno/C5. The Dec 3, 2009 · Yes those are the correct plugs when I recieved my plugs from Gene same number 41-110 wondering the same thing before I installed the today I called him (GM parts guy ) with the same question today as you he said they changed the number to 41-110-12621258. Nov 18, 2008 · C1 & C2 Corvettes - Spark Plug Question - AC45R vs. AC Delco# R43CTS is the iron head plug for 85's and early '86 cars with perimeter bolt valve covers. I have been running a AC Delco plug FR3LS in my AFR heads for years now per recomendation from AFR. The owners manual for my 2013 says to use ac Delco 41-110 plugs. I picked up a set of gm red performance wires from summit racing - since that seemed to be the most Jan 29, 2022 · C6 Tech/Performance - Best proven spark plugs & wires for "cammed" BTR Stage 3 LS3 engine? - My 2011 Grand Sport (3 months of ownership) has the BTR Stage 3 cam, with long tubes, and was dyno tested to show 491 rear wheel horse power (550 engine hp?) and I'm getting ready to change spark plugs and wires soon. . There is also a $3. Corvette C5. OEM heat shields 19329681. RJ18YC is sold as stock number 58 is the Hottest plug listed as a factory plug and is Standard on the 1967 327/300 HP. Feb 21, 2005 · CorvetteForum - Chevrolet Corvette Forum Discussion. Starting in 1986, the stock L98 engine came with aluminum (128) heads. The resistance in an AC spark plug is perfectly matched to your ignition system so that radio interference is minimal. C5 Corvettes, 1997 - 2004. I'm usually pretty good at finding things through the search but i got a little confused with spark plugs. Diablosport Lowers MRP Pricing through 12/12 - Get a Predator for $319. Looking at that number the audit trail gets murky and ambiguous in a hurry. 88-91 AC-Delco Spark Plug (FR5LS) Insist on genuine AC spark plugs - designed specifically for use in your Corvette. MSD, Taylor, AC Delco, and ACCEL all have good sets that are designed for the factory wire routing. These Iridium Spark Plugs are the latest evolution in spark plug technology and serve as a upgrade over the platinum plugs Dec 19, 2006 · 21 posts · Joined 2005. I ordered the parts from a well known performance site. 2020 C6 of the Year Finalist - Unmodified. ( 8 ) Estimated Ship Date: Monday 6/3/2024. May 31, 2008 · The following is from the AC Delco site re: Iridium spark plug: 2003 CHEVROLET CORVETTE Z06 V8 5. 25 each,. 95. I want to change out the spark plugs on my 1966 L79 but the ones in it now are AC Delco 7. Received 200 Likes on 184 Posts. When it is time to change, stay with what is correct for your car. 040 inches) when the spark plug is made. Locate the old sparking wires, which run directly to the sparking plugs and are located along the two coiled packs directly in front of you. We offer a full line of ACDelco Spark Plug products. I just snug them in which i'm sure is probably around 10-15 ft lbs anyway. Check out these features of Delco platinum spark plugs: Proven to last 100,000 miles Sep 30, 2014 · C6 Tech/Performance - NGK vs. Jan 14, 2005 · As of 24 October 2003, part number 12571164 is the replacement spark plug for ALL c5 Corvette, LS1 and LS6. Check out these features of Delco platinum spark Jul 21, 2005 · I made the mistake of gapping mine to the specifications in my owner's manual (. 2016 C5 of Year Finalist. Plug #6 gets a 135 degree bend at the plug end. 16/Ounce) ACCEL Extreme 9000 Ceramic Spark Plug Wire Sets 9018CK. 01 mm (0. Includes "green stripe" as original. Here is by far the cheapest I have found the OEM ACDelco Professional Iridium plugs. 040, is set at the factory. 035 It has a washer and longer threads. Factory AC-Delco platinum spark plugs will maximize your the performance of your 2015-2019 LT4 Corvette's engine. AC Delco spark plug cross reference. C6 Corvette About ACDelco Double Platinum Spark Plugs About ACDelco Double Platinum Finewire Spark Plugs Workshop Guide - Selection & Installation Guidelines APPLICATION LIST ACDelco Spark Plugs by Vehicle Make and Model OTHER REFERENCES Spark Plug Abbreviations Spark Plug Specifications ACDelco Regular Spark Plugs Spark Plug Specifications ACDelco 2006-2013 LS7 and LS9 Corvette Spark Plugs are not changed as frequently as in years past. Complete on each side. Fits 1971 454 Corvettes and 1976-1984 350 Corvettes. 060) which is correct for the original dbl platinum factory plugs (AC Delco 41-952). 5mm wires, I had EMI on a couple of my FM radio channels. Did a minor tune and set the idle at 1000. 040 in) when the spark plug is made. These have worked well. Jul 2, 2021 · Stick with the AC Delco Spark Plugs and everything will work great. 03-15-2009, 02:53 PM. Guys I need some help on the correct AC spark plug # for a new to me 2003 convertible with 38 k miles. They do not come with the usual washers to seal of the combustion chamber as on the plugs I removed (see 2nd picture). In my opinion, the AC Delco plugs are just as good if not better than the other spark plugs on the market. For AC/Delco you want AC Delco Part # 41-904 (Platinum) or 14 (Rapidfire). ACDelco Iridium Spark Plugs are the latest evolution in high-performance plug. May 31, 2010 · I have a set of AC Delco Rapidfire #5's waiting to go into my 87. Sponsored by: Jun 14, 2013 · I agree the gap should be tighter than stock right about . spark plugs AC41-931 Questions. Spark Plug Wires, Extreme 9000 Ceramic, Spiral Core, 8mm, Black, Black Ceramic 90 Degree Boots, Chevy, GMC, Small Block, Set. May 25, 2014 · Projected Tip Spark Plugs. The "does not fit" warning might be simply because that is not the heat range or extended tip that was the factory plug for that engine. Jun 3, 2014 · The new spark plug has an Iridium tip instead of the current Platinum tip. Fits 1969 427/390hp Corvettes. 41-800 is AC's platinum plug and Rapid Fire #5 is there performance plug for your 91. A larger gap has the advantage of more complete burn of the air and fuel mixture, but it also takes more power to get a spark to jump a large gap, so the gap should be matched to the type of coil you have. I don't believe thereis anything to be gained by change them out to another brand including NGK for a stock or mildly modded engine. They crossed them to an AC Delco 41-629 plug. Many of the wires made for the plug wires only come from a couple companies. 79. The new spark plug has an Iridium tip instead of the current Platinum tip. C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace. I have had it for 4 years and just wondering if there are better plugs to run. Jun 3, 2021 · 1966 327-350HP L79 Spark Plugs. Jan 24, 2024 · C6 Corvette General Discussion - Insanely cheap spark plugs? - 2013 base model LS3 6. Check out these features of Delco platinum spark plugs: Proven to last 100,000 miles. I have a Edelbrock performer intake with the AVS 2 carb. 01mm (0. Quote: Originally Posted by hyperv6. I understand that I should use either an AC45R (resistor) or an AC R45S (resistor + extended tip) for my application. Nov 12, 2018 · Received 186 Likes on 116 Posts. With an HEI you can run a wider gap. Factory AC-Delco platinum spark plugs will maximize your the performance of your 2006-2013 LS7/LS9 Corvette's engine. The ordinary "two-dollar" plugs will work just fine - don't get sucked into the hype for all of the "whizbang" miracle plugs with "unobtanium" electrodes. Do NOT USE THE PLUG, if the gap of . ac delco - I just recently changed my plugs and wires along with some other stuff. Royal Canadian Navy. 040 DO NOT DEVIATE FROM PRESET GAP . Apr 9, 2005 · C4 General Discussion - Warning! Counterfeit Ac Delco Sparkplugs - FOR THOSE OF YOU PRIMARILY IN THE NORTHEAST AND QUEBEC BE AWARE OF THIS! GM PARTS BULLETINS & INFORMATION - TO ALL GM DEALERS Subject: GMP05-050 - Counterfeit ACDelco Platinum Spark Plugs Message #: VSU20050593 DESCRIPTION: Recently, GM has uncovered Jun 3, 2014 · The new spark plug has an Iridium tip instead of the current Platinum tip. Factory AC-Delco platinum spark plugs will maximize your the performance of your 1992-1995 LT1 Corvette's engine. Dec 22, 2018 · Anyone needing a set of spark plugs for there C6. Enjoy the benefits of easier start-ups and a smoother idle, quicker throttle response, and a noticeable increase in fuel economy. AC-Delco's Rapid Fire design spark plugs have a multi-point electrode system that can revolutionize your C4 Corvette's performance. I went to the store to get another set and they said no good . The following users liked this post: May 4, 2019 · C5 General - AC Delco 41-110 Iridium spark plugs real vs counterfeit? - I purchased a set of cheaply priced AC Delco plugs from the auction site. Latest look up at AC Delco says ( 41-162 ) Iridium. Do not use a colder plug (TRIX 6) unless you are running 75 more horsepower or higher compression. When I pulled one out to check the gap it was at 55 thousand and the AC Delco plugs were 41-974. Feb 28, 2023 · C6 Corvette General Discussion - 41-110 vs 41-162 - I generally try to stay oem on plugs and wires for a stock car. I have a stock 2003 Corvette with 18,000 miles and a full Corsa exhaust system and it was running ruff at idle so I checked the spark plugs. Original equipment spark plugs are designed to totally complement every other component in your factory ignition system. $163. 8 required per Corvette. Note: Zip Corvette has #44S spark plugs with the extended tip for base model engines - see part number M-4065. The new part number is AC Delco# 41-629. These three years of engines are almost identical, except for the obvious induction system. Jun 17, 2017 · C6 Corvette General Discussion - Which spark plugs/wires? - Almost at 100k miles, going to change spark plugs and wires which would be best? C6 2005 LS2 I'm thinking AC Delco, but people say NGK's are better? Any suggestions or opinions? Car is stock. 045 inches of plug gap. although personally I put 'em in "snug" by feel but I've done more than a fewI suspect most don't use a torque wrench on spark plugs. I picked up a set of gm red performance wires from summit racing - since that seemed to be the most Jul 23, 2013 · A new spark plug has been released for use in the above vehicles. C5 Tech. Also running 21/2 " pipes all the way May 23, 2007 · Autolites for me,. 035 Corvette License Plate Frame - Carbon Fiber : All C5 / C6 / C7 /C8. 4th Gen GM F-Body. No anti seize on new AC Delco of NGK plug threads needed, the threads come with an anti seize coating on them. New reproduction #44S AC-Delco spark plug - fits all 1957-1970 Corvettes with a 283 or 327ci engine. It lists used from 1965 through 1970 on 327 & 350 engines. The following users liked this post: Raymond Shartrand (06-29-2022) 06-29-2022, 06:40 PM. +. lbs. If you've already installed the NGK TR-55 Double Platinum, you've got an outstanding plug and are good-to-go. I use the AC Delco 41-162 iridium spark plugs in my 03 z06, I believe these are the recommended OEM replacements, got mine on Amazon for like $7 per sparkplug. Oct 26, 2023 · AC Delco Spark Plugs. Example: original equipment plugs on my base 350 '71 would be 71/76-84 AC-Delco Spark Plug (R45TS) Insist on genuine AC spark plugs - designed specifically for use in your Corvette. the regular "copper-cores" which run about $1. Bosch WR9FPY. "43" heat range plugs are WAY too cold for normal street operation, and will result in fouling. Fits 1984 Corvette. $9173. The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1. I have the stock plugs in it, but I figured with the mods, tune, and 160 T-stat that they might get mucked up earlier than bone stock. ACDelco Professional Conventional Spark Plugs are premium aftermarket replacement plugs designed for reliability and efficient performance. The owners manual calls for 41-974. ssl-images-amazon. I called NGK and they said they only have the LTR7IX-11 and I was wanting one step colder than stock but the guy I talked to said he isn't sure what the stock heat range is and said Mar 7, 2019 · Stay with oem plugs and wires for a stock corvette. Don't attempt to regap this plug as it could damage the plug. Gap to . Fits 1988-1991 Corvettes. 00 $39. hands down don't believe the bogus hype of the other crap aftermarket stuff. Due to the different tip design, the gap of the spark plug has also changed. OEM wire kit 19351593. Spark plug options. After installing the new Iridiums along with new MSD Super 8. Last edited by THE 383 admiral; 06-27-2011 at 04:34 PM. Aug 5, 2014 · Correct spark plugs are "45" heat range, AC 45, R45, or R45S, or any other brand-name plug that cross-references to the AC "45" heat range. dose 06-13 LS7/LS9 AC-Delco Platinum Spark Plug (41-104) Insist on genuine AC spark plugs - designed specifically for use in your Corvette. The high-quality copper core and outstanding suppression characteristics deliver reliable performance. 00! C5 General - Spark Plugs NGK vs AC delco - I am replacing my plugs on my 2004 coupe. Same heat range for both plugs afaik. Jun 29, 2022 · Received 53 Likes on 27 Posts. Corvette C6. Because of the modern materials, they last a lot longer and provide more performance. Any idea what these plugs are and how they compare to the correct plugs for my engine. If you drive the car hard and raise a lot of hell with it the Rapid Fire #9 or the Denso Iridium IT22 would be the plug for high performance driving, they are colder than the stock Jan 3, 2008 · AC Delco# FR3LS is the aluminum head plug. $55. Maybe the TPI runs leaner and favors a cooler plug. Price. The Feb 2, 2010 · C4 General Discussion - Will an AC Delco R45TS spark plug work for a 1985 Corvette - Hi all, I own a C6 but a friend of mine has a 1985 Corvette and is looking to change the plugs. best spark plugs for LT4. $6. Autolite AP86. "TS" is tapered seat extended tip. pdf _____ _____ Check this out for a set of 8 factory original plugs: LS2 / LS3 Jul 8, 2022 · Member Since: May 2018. 41-110 41-985 41-962. AC Delco# R43CTS is the standard iron head plug for 85's and early '86 cars with perimeter bolt valve covers. 06MonteSS / DiabLew Tune 2014 Camaro 2SS/RS LS3, short-throw shifter, NPP perf. In addition - what brand plugs would you suggest - they look like they would be easy to replace. Iridium is one of the hardest metals used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration Jun 4, 2006 · The AC Delco web site calls for the R45TS plugs in 1984 and the R43TS in 1985 and the iron headed '86, all with a . Look for the ignition coil packs, as depicted in the above photo. The torque spec is 7-15 Ft. Shop AC Delco LS3 Chevy LS V8 Spark Plugs and get Free Shipping on orders over $149 at Speedway Motors. I really prefer the quality of NGK plugs I have noticed delco, autolite, champion leak spark between the porcelain I like all my spark energy to go through the wires most platinum's foul quicker. Like the title says, what plugs are you all using for the LS3? I used NGK TR55 IX Iridium plugs on my previous LS2, and was very satisfied. 00 rebate (per plug) from GM / ACDelco . #748UU is the base OEM standard version. 040 is not there. . In fact, NGK estimates an increase of 70° to 100° for every 10° advance in ignition timing. Since buying the car, this would be the first change of plugs for me. 100% copper cores. Its a simple metal tube that slides on & off over boot. ACDelco Professional Conventional Spark Plugs are premium aftermarket replacement plugs designed for Aug 13, 2008 · C6 Tech/Performance - What spark plugs are you all using with the LS3? - Soon I will have a full exhaust, CAI, and tune installed on my 2008 C6. exhaust, BMR strut-tower brace, Cold Air Inductions cold air intake, catch-can, ported/polished TB, Custom DiabLew Tune ACDelco Iridium Spark Plugs are the latest evolution in high-performance plug electrode material and are designed to last 100,000 miles. Sold individually. 035". ACDelco Professional Conventional Spark Plugs are premium aftermarket replacement plugs designed for reliability and efficient Oct 12, 2009 · C6 Corvette General Discussion - C6 Spark Plug Question - I am curious to find out at what miles on a C6 would be a suggested time to change out the spark plugs for peak performance. The auto store didnt have R43TS AC Delco plugs and recommended R45TS AC Delco plugs instead (gapped to 0. Well NGK is Founded in 1936, Niterra North America, Inc. The idle isn't that rough, just not as smooth as a brand new set of plugs. "The production 2009-2012 ZR1 Corvette spark plugs are the same spark plugs used in the 2006- 2012 Z06 Corvettes and the 2009-2012 CTS-V. 16 eachWire Set ACDelco #9748UU is the Premium Pro/Gold $35. Sep 23, 2015 · Iridium Delco part number for a 2001 Corvette is 12571164. 490671581_. OEM plugs minimize radio interference. Jun 15, 2004 · Roger that Dan, 41-602 supercedes FR2LS as the standard plug for your 91. AC45S - Hello, folks, I need to get plugs for my 63 300hp 327, and I want to stick with an AC Delco part. Part Number: ACC-9018CK. C1 & C2 Corvettes - spark plug with or without washer - I just got new ACDelco R45TS plugs for my 64 with crate 350/290HP (top picture). If you buy or look at one of these plugs it says on the housing "assembled in the USA with Japanese and US parts" which is a DENSO plug. Insist on genuine AC spark plugs - designed specifically for use in your Corvette. Mid Range: RJ14YC that falls in the middle heat range for the 327 engine. 040 or 0. Received 9 Likes on 7 Posts. 7L 350cid GAS FI N Engine VIN = S Qty Req Qty ACDelco Part# Description IGNITION / SPARK PLUG 08 41-985 SPARK PLUG, IRIDIUM GAP . Free Shipping. The car came with AC Delco are the NGK better plugs if so which NGK sould I use Thank You:flag: Apr 28, 2006 · C1 & C2 Corvettes - Difference between AC R45 and R45S plugs - I am looking for the cause of an intermittent miss. Jan 5, 2019 · My 2005 C6 Base Model 6 liter Corvette had an original AC Delco Iridium spark plug- part # 12571164 ( 41-985 ) Summit Racing's recommendation, when looking for replacements is (41-110 ) yet Amazon says that (41-110 ) does Not fit my car. I'm looking at changing out my plugs. Dec 19, 2006 · 21 posts · Joined 2005. Whether you are choosing from our iridium Apr 20, 2015 · C5 General - Spark plugs - NGK TR5IX & AC delco 41-110 (i searched) - Sorry to start another spark plug thread. Aug 29, 2023 · C6 Tech/Performance - Best spark plugs - I have a stock grand sport, C6, 2012 centennial edition with 80,000 miles wanting to know what’s the best spark plug to put in it for performance and running thank you for looking in your time what is the gap I should use on the plug as well Jun 29, 2017 · To spark plug with or without washer. For me, they perform better, last longer and have a variety of heat ranges. The new plug has an Iridium tip for the electrodes. They have no washer, are tapered above the threads, and have less threads. Jun 27, 2011 · Likes: 64. Received 3 Likes on 2 Posts. The terminal nut has a different contour. The idle increased ~50 rpm and ran smoother. This has been very confusing. Correct me if I am wrong but aren’t they supposed to be AC Delco 41-110 and gaped at 40 thousand. Aug 3, 2010 · Likes: 0. A few years ago, I put in a new set of R43TS plugs into my 882's. Rebate Form: https://images-na. 2 Going to reassemble my engine and went to order new plugs. On a stock HEI, you should not exceed 0. It also shows a new gap, of . Intended purpose of the car is probably not much more than take my wife of 55 years to Jan 24, 2004 · C4 Tech/Performance - Best Spark plugs for 94C4 are AC Delco Rapid fire spark plugs? - i've been told by my corvette mech that the AC Delco rapid fire spark plugs are the best for my 94 C4, would you concure? The big problem iam experencing is trying to find a parts outlet that sells rapid fire spark plugs. Yes the shields are reusable. Nov 5, 2023 · Received 3,607 Likes on 2,557 Posts. I then removed the plugs and put in a new set of Rapidfire #2. Fits 1962-1968 327 base motor Corvettes. Autolite AP847. All of the parts places say 41-162 is the correct plug and 41-110 will not fit. Mar 23, 2015 · C4 Corvettes, 1984 - 1996. 030" with that much boost, but a much better choice by far is either the NGK BR7EF (copper) or TR7IX (iridium) plugs that are one heat range colder than the TR6 / TR6IX / 41-104 (stock ZR1 plugs). The flat side of washer faces away from the electrode. Feb 7, 2018 · AC Delco or NGK are the best choices for plugs, plug wires. They are head quarter in Michigan and most of the plugs are made in West Virginia. 85-86 Spark Plug Set - AC Delco With Cast Iron Heads Set Of 8. 040" Insist on genuine AC spark plugs - designed specifically for use in your Corvette. Jun 26, 2007 · Cruise-In VII Veteran. go to "understanding spark plugs" for some good info. Dec 16, 2008 · To Spark Plugs NGK vs AC delco. From the Lingenfelter supercharger pully instructions. Bosch WR9FPZ. GM F-Body. I went to Advanced A/P and compared their A/C Delco plug to the one I purchased. New reproduction #44 AC-Delco spark plug - fits 1957-1970 Corvettes with 283 or 327ci engine. That's what I currently have in mine and they have been excellent for 13,000 miles. Fits 1970 454 Corvettes. Are their any corks or hidden issues I Dec 6, 2013 · Quote: Originally Posted by White87. recommended spark plugs for 1977 L82. list: Replacement spark plugs for AC DELCO 7: Autolite AP85. I've read some people going with Brisk and some people going with NGK. Speaking of that, what are the correct ones for my engine? Oct 27, 2009 · C5 Tech - Spark plug question. Cruise-In VIII Veteran. I had a 25K fuel system clean done at the dealer the other day and it does seem to idle better. The spark plug gap is set during manufacturing and should not be changed May 4, 2019 · C5 General - AC Delco 41-110 Iridium spark plugs real vs counterfeit? - I purchased a set of cheaply priced AC Delco plugs from the auction site. Mar 15, 2009 · Originally Posted by TWISTERUP. 00 that Eckler's wants to gouge for . Just "S" would be the flat washer type. I have a unilite ignition, edelbrock 600 or 650 (don't remember), and a mild cam. ACDelco Spark Plugs feature only high-quality parts to help ensure durability and consistent performance: Electrodes built on a foundation of iridium, platinum or copper. Posts: 167. Thought the new wires were bad. - High Performance Dielectric Grease Used To Protect Terminals, Spark Plugs, Wiring And Other Electrical Connections Against Salt, Dirt, And Corrosion. Apr 20, 2015 · C5 General - Spark plugs - NGK TR5IX & AC delco 41-110 (i searched) - Sorry to start another spark plug thread. Corvette Tune Up/ Emissions Corvette Spark Plugs (Set) - AC Delco Iridium Tip : 1997-2004 C5 & Z06 GM recommends checking and if necessary replacing your spark plugs every 35,000 miles. 045 inches) which run a little Apr 29, 2022 · Rock Auto has these for 2012. Description. You'll realize optimum performance when AC Jan 8, 2012 · C4 General Discussion - AC Delco Spark Plugs (puck question) - I just got AC Delco Professional Platinum plugs that are warenteed for 50000 miles. S. OEM iridium pre-gapped spark plugs 19417055. , formerly NGK Spark Plugs (U. RockAuto has them here ---> FR5LS and the best part is that there is a rebate going on now and you will not pay the $30. Nov 5, 2022 · Here are some more basic guidelines to get you pointed in the right direction:" "Advanced ignition timing: In general, advanced ignition timing will raise the spark plug temperature. Coldest: RJ12YC is sold as stock number 14 Standard on 302 and the 1966 327's. Spark plugs are protected with one-piece ceramic insulators. Here's a link,. Here is a cross ref. Per the FSM and Owners Manual the correct replacement plugs you need are AC Delco FR3CLS, gapped at . They need to be readily purchasable from a local auto store or from summit, amazon, etc Thanks for all Feb 26, 2021 · Received 86 Likes on 63 Posts. Figure 3. A. and this coming from a die-hard AC-Delco fan for any other part. Sep 11, 2014 · Above list (click on Chevrolet, and then Corvette). Jan 6, 2012 · C6 Tech/Performance - Spark plug/Wires recommendation - I am looking for good set of plugs and wires for daily driver 2007 corvette that may or may not get a supercharger thrown on it in the next 10,000 miles. plugs. Iridium Spark Plugs are our latest in spark plug technology and an exact Mar 28, 2021 · Stock plugs should be fine, and no noticeable gain will be made with other plugs, again, I believe it is an iridium plug from the factory. Mar 17, 2010 · AC Delco# FR3LS is the standard aluminum head plug. It has a washer and longer threads. $949 ($3. AC/Delco - So I decided to upgrade to what I thought would be an upgrade in spark plugs which were the NGK TR5 V-Power plugs from my stock LS3 AC/Delco plugs. 040" gap in a ZR1, but remember that the LS9 is a really low Dec 19, 2022 · AC Delco plugs have "T" in the part number to indicate tapered seat. #3 · Dec 19, 2006. These are correct for your aluminum heads. Dont know what makes them premium vs standard. ), Inc. "S" spark plugs featured an extended tip for use with base model engines. They are safe up to 14psi at . The spark plug gap is set during manufacturing and should not be changed Jan 8, 2021 · This item: ACDelco GM Original Equipment 19417612 Spark Plug Wire Kit. Permatex 22058 Dielectric Tune-Up Grease, 3oz. jq lw dr ak vb qr sp zt xb xt