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I"ve been seeing some men talking bout setup the void of the plugs in a vortec under to 0.40 rather of 0.60, mine space at 0.60 and also it runs good but if dropping it under to 0.40 will help it out i will do it but I aint uncovered a directly answer ~ above it yes, really so lets obtain some feedback ~ above this cause Its grounding in mine head. Thanks
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Gapping them at .060 will provide you a far better spark & fire the mixture much better & with gas draw close $4.00 a gallon this is wherein I"d leaving them. Gapping them down to .040 only gains girlfriend if your coil is weak, or her wires space marginal due to the fact that a .040 space is less complicated to jump. Also some lazy types collection them in ~ .040 due to the fact that as the space erodes after countless fireings castle don"t have to R&I the plugs & regap them. They just erode indigenous a .040 space to the .060 or beyond & by the moment the gaps are acquiring too wide, it"s time to replace them anyway therefore they never have to R&I the plugs except to change them.
1988 Chevy C-3500 2wd (no pic)350 c.i. 5.7 L stock Block, 4 Bolt MainsL-31 Vortec Heads, Edelbrock cam & Intake, Holley 650, Flowtech Headers, Magnaflow exh.Jet infectious diseases world fashion 700R4, B&M Ratchet, 4:10 gears, 3" susp. Elevator kit "shadetree"No rev limiter, No speed limiter lol
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Mike Heartbeat simply sent me an email with a attach that speak why you DON"T readjust plug gaps on iridium or platinum plugs. He said the iridiums are gapped in ~ .040 & the platinums room gapped at .060 & you should not shot and readjust them. Mike knows a lot
around this ingredient so I would certainly follow his advice. Because yours have actually the .060 gaps I"m guessing you have actually the AC Delco platinums, so if you have actually the platinums gapped in ~ .060 leave them there. Below is Mikes" link.http://www.cg-tower.com/forum/sho...=Damaged+Plugs
1988 Chevy C-3500 2wd (no pic)350 c.i. 5.7 L share Block, 4 Bolt MainsL-31 Vortec Heads, Edelbrock camer & Intake, Holley 650, Flowtech Headers, Magnaflow exh.Jet trans 700R4, B&M Ratchet, 4:10 gears, 3" susp. Elevator kit "shadetree"No rev limiter, No rate limiter lol
The Plugs I just put in the truck space Iridium AC"s and they to be gapped 0.60 the end the box and I checked to make certain they were and also it said Iridium plugs top top the side of the box and also the truck operation pretty good.

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2005 Chevy Silverado Z71 Crew Cab6" Skyjacker elevator w/Edlebrock double front remote resoviour shocks, single rear remote. Rancho skid-plate. 17" x 9" M/T standard Lock Wheels, 35" BFG A/T or M/T tires 4.10 PercisionGears w/factory locker, T/A performance rear-end coverBanks CAI intake, ported throttlebody, JBA coated headers, over-sized Magnaflow cats, Magnaflow cat earlier exhaust, Diablo tunedB&M aluminum deep transmission panWarn brush safety w/Warn 9.5 XP winch, PIAA bulbs, Line-X bedliner, AWS Black tool chest, Extang tonneau coverWeather technology floor matsCover-Craft seat coversDash mat coverFormula One home window tintOne black color Lab in rear seat.:glasses:
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The Plugs I just put in the truck are Iridium AC"s and also they were gapped 0.60 out the box and I checked to make certain they were and it claimed Iridium plugs on the side of the box and also the truck runs pretty good.
1988 Chevy C-3500 2wd (no pic)350 c.i. 5.7 L share Block, 4 Bolt MainsL-31 Vortec Heads, Edelbrock electronic came & Intake, Holley 650, Flowtech Headers, Magnaflow exh.Jet infectious diseases worldwide 700R4, B&M Ratchet, 4:10 gears, 3" susp. Lift kit "shadetree"No rev limiter, No speed limiter lol