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97 Posts
what is the gap for the ngk 6097 plugs.i am sure they come pre gapped but will check them before installation.
Spark Plugs
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They are not pre-gapped.
Correct gap will depend on your mods ... what are they?
OEM gap is .031"
If you are running healthy boost (15 psi or so) I would go to .028"
If you are crazy (like me) and are pushing 23 psi out ofa T3T4 go with .025"
Correct gap will depend on your mods ... what are they?
OEM gap is .031"
If you are running healthy boost (15 psi or so) I would go to .028"
If you are crazy (like me) and are pushing 23 psi out ofa T3T4 go with .025"
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97 Posts
right now all i have is a boost controller, and air intake.i am running 15 psi
.030
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97 Posts
ordered mine from advanced but you can get them from autozone to.they cost me $1.59 each.oh yes and boy am i glad i checked that gap.they were set at .25
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2,525 Posts
I just picked up some copper plugs, didn't notice much of a differance from the platinum plugs. Except now I get to buy plugs every oil change, woot.
91RED3S, the plugs are cheap less than $1.75/each.
I would recommend chanign them every 3000 miles or so.
93turbomr2, there is no way a plug had a 1/4 inch gap ... the tab would be proken off!
arcasmachineracing, were you expecting 40 HP from plugs?
Changing plugs every oil change? .... I hope you can find the courage to go on!
I've changed out my NGK copper plugs in Hyde at least 4 times this year and I only put on 4000 miles TOTAL.
Why do I change them so often? ... because I race at the limit, because I like to know I have good fresh plugs in there and at 23.5 psi of boost on a 199,000 mile engine I like knowing that
What's the big deal? $7 worth of plugs and 15 minutes to swap them out.
If you have a mildly modded car and your more interested in longevity (of the plug) than optimal performance, there is no harm in using the platinum plugs (just avoid the Bosch platinums).
I would recommend chanign them every 3000 miles or so.
93turbomr2, there is no way a plug had a 1/4 inch gap ... the tab would be proken off!
arcasmachineracing, were you expecting 40 HP from plugs?
Changing plugs every oil change? .... I hope you can find the courage to go on!
I've changed out my NGK copper plugs in Hyde at least 4 times this year and I only put on 4000 miles TOTAL.
Why do I change them so often? ... because I race at the limit, because I like to know I have good fresh plugs in there and at 23.5 psi of boost on a 199,000 mile engine I like knowing that
What's the big deal? $7 worth of plugs and 15 minutes to swap them out.
If you have a mildly modded car and your more interested in longevity (of the plug) than optimal performance, there is no harm in using the platinum plugs (just avoid the Bosch platinums).
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97 Posts
hmmm....not sure but when i used my spark plug gapper they were tight up to 25 and i did what you said and gapped at 30.
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4,991 Posts
i change my plugs regularly also....every spring when the car comes out of storage and/or every tuning session......
93turbomr2, that is .025" ... not .25"
.25" = 1/4 inch ... that would be a huge gap!
.25" = 1/4 inch ... that would be a huge gap!
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