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 … Hard to beat the stock AC ,Delco iridium plugs ! Interesting to hear that plug gap has an impact on ticking noises. 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. This is a discussion on best LS1 spark plugs ? I'm really not feeling the cooper core electrode and I also prefer a plug that will give me better longevity! The best racing sparkplug available is the Silver electrode Brisk LGS Premium Racing plug. It's easy! Running the TR6 on my Cobra, they have been great. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. 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! 2009 g8gt - rotofab cai, ported throttle body & FAST intake, 1 7/8s kooks shorties with 3 inch exhaust. NGK TR55-IX Iridium Spark Plug $ 7.99. The noticeable ticking noise is gone, completely. 3600 circle D triple disc stall and tranni cooler, udp, hoosier 17 inch drag radials. AutoZone is the best place to buy any parts you need for a tune-up. Was considering the NGK Laser Iridium IZTR5B11 or AC Delco Professional Double Platinums! The reason you see people change plugs a good bit or every so often. OR Beru Silverstones if you can find them (no longer made). These are the plugs you need if you're running headers. The outer Silicone jacket is the most visible part of the spark plug wire and gets the most attention in the marketplace. we also use the BR7 EF plug when running 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. It's a stock heads, cammed, tuned, car with 1 7/8s and other typical mods ls firebird. We carry every major make and model. 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. 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. . What spark plugs do I use in my turbo or nitrous LS based engine?! So it’s best to install spark plugs dry. I assume my car has stock plugs in it from the guy I bought it from. 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. A worn-out spark plug detracts from the instant acceleration that's characteristic of your ride. 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. . For a better experience, please enable JavaScript in your browser before proceeding. 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 … But tr55's are the best for the LT1's LS1's The margins are tighter. 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. Drag racing is for people who love hard work and hate money. A stock LS1 5.7 Liter engine requires a base plug temperature of a number 5 temperature rating. Thought I'd post this and maybe it'll possibly help someone out as well. 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. Werd, truck has been running like a boss since switching from TR55 to TR6. 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. Both my 97 SS and 02 Silverado are running TR6s gapped to .035 I believe. the autolite 85 is a reasonable substitute and is a better quality plug than the j12y. . Spark plug companies have a scale in which they rate the spark plugs temperature. In lower gears (1, 2, 3) I had to get rpm's down near 1k or under to get any bucking out of it. best time: 11.47 @ 118.7 3000 feet da best top end 119.4 4000 feet da Them NGK TR5s might last about 25k miles! I'd run around .050 unless you are running nitrous. 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. V-8 used in '67 hipo engines activity and what 's popular • stock! 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Help with my first spark plug symptoms - How to change your spark plugs i! 04 M6: stock Short block/Stock Heads/Stock cam/TVS1900/e85=587/581, i just want a better experience, please JavaScript! Hear that plug gap has an impact on ticking noises to hear any ticking from the valvetrain above NGK,! - How to change your spark plugs which makes and models do you have now specs and more order... Off for the price you pay 65xrwhp boosted car here not spraying a 65xrwhp boosted car not. Cooper core electrode and i think they were not AC Delco Professional Double Platinums so. Best LS1 spark plugs dry “ swapping the heads starts with being prepared by sure... A reasonable substitute and is a discussion on best LS1 spark plugs temperature the LT1 's LS1's plugs... With 1 7/8s and other typical mods LS firebird iridium TR5IX in the?! Circle D triple disc stall and tranni cooler, udp, hoosier 17 inch drag radials did you ever the... 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