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Compression ratio on '02 ProX

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Compression ratio on '02 ProX

Postby b1AtCh » November 30th, 2001, 8:21 pm

Have any of you calculated the compression ratio on the new ProX motor, or is there anyone who knows the head volume, so that I could calculate it myself???
OOOoooOOO
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Compression ratio on '02 ProX

Postby 2002 pro-x 440 » December 1st, 2001, 8:40 am

I just took a compression test on mine. I was getting 150 PSI cold. I dunno if that'll help or not.
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Compression ratio on '02 ProX

Postby b1AtCh » December 1st, 2001, 11:22 pm

Yeah, it helped a lot, thanx. I haven't got the sled yet(I live in Finland), so that's why I couldn't get the comp. ratio myself.
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Compression ratio on '02 ProX

Postby ostapowich » December 3rd, 2001, 12:51 am

I ASSUME YOU ARE LOOKING FOR THE COMPRESSION RATIO
IE: 15:1
AND NOT THE COMPRESSION AS LISTED BY THE OTHER POSTERS?
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Compression ratio on '02 ProX

Postby b1AtCh » December 3rd, 2001, 6:09 am

Yep, you're right. You could calculate the CR from the compression pressure mentioned above, but I've heard it wouldn't be that accurate. Quite a cool site that olahracing.com, and good luck for the upcoming season.
OOOoooOOO
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Compression ratio on '02 ProX

Postby ostapowich » December 3rd, 2001, 8:13 am

remove the head and cc it with water
and of course you already know the cc's of the cylinder,don't forget to calculate the gaskets/spacers
and thanks for the wishes.
hope this is helpful
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