LT1-LT4 Modifications 1993-97 Gen II Small Block V8

hello spark plug gap

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Old 01-08-2011, 03:56 AM
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Default hello spark plug gap

what should the spark plug gap be on a bolt on car stock heads manafolds and cam with the tr55 plugs
Old 01-08-2011, 04:01 AM
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i think the gap should be .050
Old 01-08-2011, 04:22 AM
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ok thank u the reason i am asking is cause i have replaced opti plugs wires and coil and i am getting a high rpm miss and hesatation around the 4000 up to redline and i have seen were some say it can be plug gap
Old 01-08-2011, 04:30 AM
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Originally Posted by 1lt1wiz
ok thank u the reason i am asking is cause i have replaced opti plugs wires and coil and i am getting a high rpm miss and hesatation around the 4000 up to redline and i have seen were some say it can be plug gap
No problem, but yeah give it a shot, im not so smart on the spark plugs but I know most people on here will know, and they'll be gladly to help you out
Old 01-08-2011, 07:29 AM
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.050" is the gap you need.
Old 01-08-2011, 11:18 AM
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ON MY NGKs THEY WERE GAPPED AT .50.. I WOULD BELIEVE IT'S .50 FOR YOURS ALSO..




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