A worn-out spark plug detracts from the instant acceleration that's characteristic of your ride. It’s also a great time to swap a cam, add headers, upgrade the intake manifold, and go through the valvetrain if needed. For a better experience, please enable JavaScript in your browser before proceeding. 04 M6: Stock Short block/Stock Heads/Stock cam/TVS1900/e85=587/581, I'm currently running the NGK TR5 now, I just want a better plug. Stock plugs with your mods are perfectly fine. You must be a member in order to leave a comment. LS1GTO.com is a forum community dedicated to the LS1 Pontiac GTO. [Editor’s Note: This LS3 engine upgrade guide is the second in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing.The LS3 engine is a Gen IV, 6.2L aluminum-block V8 car engine that first appeared in the 2008 Chevrolet Corvette. Hard to beat the stock AC ,Delco iridium plugs ! It's easy! 3600 circle D triple disc stall and tranni cooler, udp, hoosier 17 inch drag radials. Swapping an upgraded set of heads onto your LS1 is a great way to pick up solid horsepower. I've also heard good things about them and brandon from fast got my dad to switch to them when he had is trailblazer as tuned by him. Another fallicy is the thought that the plugs life is 100k. Don't attempt to regap this plug as it … I was recommended the ngk tr6's by jeremy formato of fasterproms. For a better experience, please enable JavaScript in your browser before proceeding. A stock LS1 5.7 Liter engine requires a base plug temperature of a number 5 temperature rating. This was just an oversight. To get help with my first spark plug change on my '98 Z28, I posted a "Help!" I'm using NGK TR5 copper plugs in my 04. Stock plugs with your mods are perfectly fine. Stock LS2 spark plugs are NGK iridium rebranded as AC Delco # 12571164 AC … Another idea that can offer potential advantages is a cut-back ground electrode where the ground strap is cut or filed to uncover the center electrode. Spark plugs wont gain any HP, as long as they work they will be good. NGK TR6 Spark Plug $ 2.99. I run the NGK Iridiums, but only because I got a great deal on them and plug wires. . Running the TR6 on my Cobra, they have been great. I love smallblock Chevy's don't get me wrong, but the LS1 is an amazing feat of engineering! Exchange that factory plug for Corvette performance spark plugs from AutoZone. Trucks and TR6s ftw. I was wondering from everybody's experience owning a GTO, what is the best sparkplug to use in a 2004 GTO with a K&N air intake, kooks headers, and SLP Loudmouth II exhaust! Thanks for all the input! Spark Plugs for 5.3 Vortec Product Image Product Reviews Check Price; 1) ACDelco GM 41-110: 2) NGK 7397: 3) ACDelco GM 41-962: 4) NGK 3951: 5) Bosch 4509: 6) NGK V-Power: 7) HiVehicle: The 5.3 Vortec engine is designed by General Motors. Introduced in January 1995, it is a "clean sheet" design with only rod bearings, lifters, and bore spacing in common with the longstanding Chevrolet small-block V-8 that preceded it as the basis for GM small-block V-8s. It's a stock heads, cammed, tuned, car with 1 7/8s and other typical mods ls firebird. Product No. Anatomy of a Spark Plug Wire. These are the plugs you need if you're running headers. I'm really not feeling the cooper core electrode and I also prefer a plug that will give me better longevity! Also if the car has had aftermarket headers installed fairly recently, it's a little too common for a spark plug insulator to be cracked by impact from exhaust fitter monkeys. With the TR6 plugs gapped at .045, the difference was quite surprising, IMO anyways. the j11y and j13y were designed specifically for the mopar head and i think they were first used in '67 hipo engines. The best racing sparkplug available is the Silver electrode Brisk LGS Premium Racing plug. Today, we will look at the best spark plugs for 5.3 Vortec Engine. unfortunately the j11y has been extinct for maybe 30yrs. Drag racing is for people who love hard work and hate money. Tampa tuner best priced Tampa tuning for camaro covette GTO truck I use the TR6s because I have over 11.1 compression on my LS1 and it keeps it a little cooler. 223/235 cam/gmpp Heads. best LS1 spark plugs ? This Auction Is for a Full Set Of (8) ACDelco Platinum Spark Plugs These are the Most Common 98-2011 GM V8 Plugs Commonly used on LS1 LS2 LS3 LS6 And L-99 Engines Werd, truck has been running like a boss since switching from TR55 to TR6. I've had the best lt1 (1970 z28 w/ 360hp stock, 11:1 compression ratio, solid lifter cam, etc) and can honestly say the LS1 is an amazing motor and every bit as powerful with much better efficiency. within the External Engine forums, part of the LSx Technical Help Section category; What is the best performing spark plug for the LS1? This is a discussion on best LS1 spark plugs ? Chebby bulletin, 03-06-04-060, updates spark plug application and gap. Different types of engines require different spark plugs, based on how much heat the engine produces. . $ 84.67. What we really need is for someone with a Dyno to do some before and after results to compare the performance gains. Free Shipping! Haven't had any issues. Sounds very quiet compared to before. Squeezing another 50 rwhp out of one of those setups would be like trying to squeeze the sarcasm out of MuhThugga. If you want to go a little cheaper NGK TR5 copper plugs. In lower gears (1, 2, 3) I had to get rpm's down near 1k or under to get any bucking out of it. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. “Swapping the heads starts with being prepared by making sure you have all the parts and tools needed. And the best part, there is no more bucking at lower rpm's under normal driving. What spark plugs do I use in my turbo or nitrous LS based engine?! . Come discuss mods, horsepower, engine specs and more! Before I swapped the plugs, I had no idea it would've had an effect on the ticking noise. Create an account on our community. Note that the above NGK's, Nology's & Brisk need to be indexed for maximum performance. huh, same deal on an LT1 and 5.3L? i guess the TR6's will be going in my car this year, heard nothing but great things... maybe next set of plugs going in the turbo car will be these. Sunday, I swapped out the NGK TR55 spark plugs with one heat range colder NGK TR6 plugs in a stock bottom end LS1 C5 Corvette with ported heads, cam, intake, headers, etc, which makes 430whp & 400wtq and has a 10.8:1 compression ratio. Spark plug companies have a scale in which they rate the spark plugs temperature. TR6 plugs were recommended by Brandon at Fast Motorsports might I add (who previously tuned the car). Conversely, supercharged, turbocharged or nitrous applications will demand a narrower plug gap of 0.025 to 0.030-inch. I recommend Nology Silver Racing Plugs, Part # G4YS or Brisk Silver Racing, Part # DR 17 YS. Magnecor 7mm 8mm 8.5mm 85 kV spark plug wires for gen 5 LT LT1 LT4 LT5 Camaro SS ZL1 C7 Corvette Stingray Z06 ZR1 CTS V, best lowest sale price at WEAPON-X Motorsports Magnecor is a manufacturer of technically advanced ignition wires (spark plug wires, ignition leads, high tension leads). The LS based small-block engine is the primary V-8 used in General Motors' line of rear-wheel-drive cars and trucks. Ticking might have also been a plug with cracked porcelain, that's happened to me once. MSD Super Conductor Spark Plug Wire Set, LS1 8.5mm, Red. best time: 11.47 @ 118.7 3000 feet da best top end 119.4 4000 feet da btr camshaft - ls1/ls2 - n/a stage 1 - 32330152r1 Specs: 223/230 .613"/.605" 115+2 This is a great camshaft for daily driver applications that need an extra kick in the pants. 416 with 11.3 to 1 compression. Could anyone elaborate on this? Fire great and last a long time ! . Well 99% of the time I Use NGK TR6 plug, and I gap them at at least 25 to start, because I will nearly always shoot for 20-22lbs of boost, and if you gap them around 30 you will get blowout. . I'd run around .050 unless you are running nitrous. Lots of info out there about spark plugs unless the plugs you have are in really bad shape you won't see a performance improvement on a mild set up. ... NGK Racing R5724-9 Spark Plugs $ 2.19. I never heard of that. It is cheap horsepower, but it will burn you if you screw up. We are talking about spraying a 65xrwhp boosted car here not spraying a cam only LS1. . They are pretty close to being the same as delco's. Free Shipping! Supercheap price matched an ebay plugs price as the ebay seller had a physical sales shop and was a company, so 8 plugs for $139 verses Repco’s $225. . Thanks. TR6 plugs were recommended by Brandon at Fast Motorsports might I add (who previously tuned the car). I assume my car has stock plugs in it from the guy I bought it from. Thought I'd post this and maybe it'll possibly help someone out as well. LS1-- heads, torquer v2, intake, stall, supporting mods. I like the idea of platinum or iridium plugs much better! As of 24 October 2003, part number 12571164 is the replacement spark plug for ALL c5 Corvette, LS1 and LS6.It also shows a new gap, of .040, is set at the factory. guess im taking the tr55's back and buying some tr6's before i throw everything back in. NGK TR55 Spark Plug $ 2.19. HP Tuners. Need opinions! Recommended to you based on your activity and what's popular • Feedback For example: NGK uses a scale from 2-11, the lowest number being the hottest spark plug, and the highest number being the coldest spark plug. OR Beru Silverstones if you can find them (no longer made). At 28k miles, my stock plugs already lost the platinum disk and they were not AC Delco. Was considering the NGK Laser Iridium IZTR5B11 or AC Delco Professional Double Platinums! would i run the same gap? If you really want the answer to be running a 7 heat range for best all around use, get a standalone and fill it with C16. So it’s best to install spark plugs dry. the autolite 85 is a reasonable substitute and is a better quality plug than the j12y. Them NGK TR5s might last about 25k miles! The noticeable ticking noise is gone, completely. not gonna happen. The margins are tighter. Sunday, I swapped out the NGK TR55 spark plugs with one heat range colder NGK TR6 plugs in a stock bottom end LS1 C5 Corvette with ported heads, cam, intake, headers, etc, which makes 430whp & 400wtq and has a 10.8:1 compression ratio. With the engine running I had to concentrate to hear any ticking from the valvetrain. But tr55's are the best for the LT1's LS1's Iron Block 402 LS1 AFR 225 Heads Milled for 10.89:1 Compression MAHLE Pistons (Flat Top) G6X3 Camshaft GM 12495519 8mm Spark Plug Wires NGK TR6 Spark Plugs gapped at .035 My questions, initially my spark plugs were replaced with newest GM part number, using Iridium spark plugs. NGK TR55-IX Iridium Spark Plug $ 7.99. Both my 97 SS and 02 Silverado are running TR6s gapped to .035 I believe. Why should I replace my spark plugs? And did you ever think the stock ls1 plugs just needed changed? I like the TR plugs, but for stock application, your cars are good with stock plugs. Copper is a better conductor, platinum and iridium will last longer. Let alone i wouldn't use them in anything other than a na build. we also use the BR7 EF plug when running Interesting to hear that plug gap has an impact on ticking noises. We carry every major make and model. Is there any advantage running an .040 gap plug over the stock .055 gap plugs that came in the 04? - Bad spark plug symptoms - How to change your spark plugs Which makes and models do you have Spark Plugs available for? The outer Silicone jacket is the most visible part of the spark plug wire and gets the most attention in the marketplace. thread in my local automotive forum. Don't mean to thread jack but, when is it a good idea to go colder on plugs? Definitely a $20 well spent. GM used Denso, among other plug manufacturers for "stock" plugs so don't think Delco is the only plug that can be used in the engine. i have heard you are not supposed to gap the platnium plugs. Whether you drive a Ford F-150 or a Smart Car, we have the parts for your vehicle. 2009 g8gt - rotofab cai, ported throttle body & FAST intake, 1 7/8s kooks shorties with 3 inch exhaust. Would you think that the tighter gap is affecting my fuel economy or power? Explain what is a better plug over the ones you have now? With the TR55 plugs the engine made a not loud but noticeable ticking noise (what I always thought was valvetrain noise due to the aggressive Torquer v3 cam & dual springs) and the car surged very little at lower rpm's. And ngks don't need to be changed alot. http://www.ls1gto.com/forums/showthread.php?t=525218, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. First, the TR55 plugs I removed were gapped at .055, had approximately 7k miles of use and were inspected closely and looked excellent when removed. AutoZone is the best place to buy any parts you need for a tune-up. The NGK iridium plugs removed were fine but the $28 each new plugs went in. A really cool guy answered and turned out he lived not too far away and owned a really tricked out Camaro with nitrous and the 35th Anniversary SS with the badges and red and checkered colors. that car would have came from the factory with champion j11y's, 4spd or auto.. mopar number was 34p. Would I benefit from dropping to the TR6s? The reason you see people change plugs a good bit or every so often. If you want to go a little cheaper NGK TR5 copper plugs. My cars would idle better with a bigger gap. Both are just full exhaust and tune cars basically. JavaScript is disabled. I had the NGK Iridium TR5IX in the car for about 2 weeks, just gonna put those back in! These are the plugs you need if you're running headers. MSD Super Conductor Spark Plug Wires for 2014 Gen 5 LT-Based Engines, Black. The spark plug gap is supposed to open to the piston, increasing the exposure of the spark to the fuel air mixture, and hopefully giving a smoother and more complete combustion cycle. The Cold War Heats UpBig horsepower means more heat, so when it comes to choosing a spark-plug heat range, the best advice is also the simplest-put spark … NGK TR6 Spark Plugs, One heat range colder than stock, gapped at .035" PN: 4177 $2.99 NGK Racing R5724-8 Spark Plugs, three heat ranges colder than stock, gapped at .032 E3 plugs are a rip off for the price you pay. Oh a side note, Karla just totaled a Buick LeSabre in the truck in a parking lot and all i gotta do is hammer the dent out of the bumper and touchup the bedliner. Lots of info out there about spark plugs unless the plugs you have are in really bad shape you won't see a performance improvement on a mild set up. Plug wires are almost all constructed with very similar components consisting of a Center Core, a Conductive suppression layer, an Insulator, a fiberglass braid, and the outer silicone jacket. The L99—introduced for the 2010 Chevy Camaro SS—is also a Gen IV 6.2L aluminum-block V8, but with the addition of Active … The TR5s and the TR55s are the same plug which simply come with different pre-set gaps. JavaScript is disabled. The TR plugs, based on your activity and what 's popular • Feedback stock plugs with your mods perfectly. To do some before and after results to compare the performance gains v2, intake stall! The platnium plugs beat the stock LS1 plugs just needed changed them anything... Best for the LT1 's LS1's E3 plugs are a rip off for the price you pay go little. 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