Compression ?
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Road Captain
Joined: Oct 2007
Posts: 743
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From: Morris, Il
Compression ?
I have a 103 build with woods tw7h cams and bub 7 truduels, and heads ported. Numbers tq 106 hp 98 which Im not unhappy about. But my rings didn't set right, my leak down was 18% rear 10% front. So I took it down. I had heard the tw7h cams like a little compression 10.25+:1 is this accurate. I have SE flat top now at 10:1. Wondering if I should change my pistons to increase compression. Also what is the consences about the 7h cam. Having the cylinders checked now so have few days to decided if I want to change things. Thanks for any feed back
Road Warrior
Joined: Dec 2008
Posts: 1,639
Likes: 2
From: Australia
IMHO 0.25 of a comp ratio isnt worth chasing, the tolerances in the engine mean that any compression ratio quoted is +- 0.15 anyhow. I dont think that much compression is going to make a huge difference.
Check this:
http://www.daytona-sensors.com/tech_tuning.html
Compression ratio has diminishing returns.
Check this:
http://www.daytona-sensors.com/tech_tuning.html
Compression ratio has diminishing returns.
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nosillyname
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Dec 13, 2010 08:16 PM
