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afterburn 549 afterburn 549 is online now
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Join Date: Jul 2003
Location: cross roads
Posts: 14,208
Quote:
Originally Posted by LakeCleElum View Post
Jeff is correct.....Space your gaps at 120 degrees and find later the rings have rotated. They do in all 4-stroke engines.....2 strokes have a "pin" to prevent this. That is so the end of the ring does pop out into the exhaust port and get broken off.

As far as CR on any large air cooled 4 stroke; be careful. Twin plug will help, but you have to really watch your timing and ocatane rating to a problem where it will pre-ignite into self destruction......

I still have those seats I bought off you when you were in Bellingham.....Hope you found the cash I left in the hiding place on your porch........
Hi ! Nice to hear from ya!
Cash on Porch .I think so,no bad memories, so must all be OK! LOL
Hope the seats will do someone some where good....some time.
I have a fancy Tech 3 modual for dual spark and advance retard...Heads are being double plugged .
If i go to 10.5 to 1 have I gone too far?
I see lots of end users put them in even Screaming eagle kits do it.
I know its on the living edge.....
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Old 04-13-2014, 04:13 PM
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