I know plug indexing has been discussed here but I can't get anything to come up on a search. Putting aside whether it is worth any HP, does the increased (or reduced) thickness of the washer make the plug behave hotter or colder?
Thanks
plug index washers
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Re: plug index washers
it does change the ignition timing on that cylinder. .020 is about 1 degree in timing
Re: plug index washers
Some prefer to buy a lot of plugs, mark them, then find the one to fit each cylinder pointed where you want.
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I know as much as I can learn and try to keep an open mind to anything!
If I didn't overthink stuff I wouldn't be on speedtalk!