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After rebuild both cylinders have 65 compression


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Finnaly found what was wrong with the shee, turns out the cylinders were bored 30 over by the previous owner who told me they were stock, so i had put stock pistons in, now im redoing the top end with the right pistons and a good cylinder honing

 

 

Sent from my iPhone using Tapatalk

 

 Bet you still didn't measure the bores, did you? If they aren't round and straight you're wasting the price of new pistons, and may cost you even more when it blows up.

But ring gaps were good... lol

 

Nice and big, like an 8 mile whore.

 

.303 piston clearance and .045 ring gap it's a wonder you had that much compression.

Never trust a previos owner much. Always verify it yourself. Receipts, eyeball, micrometer, calipers, compression gage, etc

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