compression ratio for turbo'd engine
Honda-Tech Member
Joined: Oct 2000
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From: Dallas/Miami, FL, USA
Re: compression ratio for turbo'd engine (runswithscissors)
ideal can be 9.2:1 or so. 9:1 is also fine. It just depends on what you are gonna do. For street use the 9:1 works best.
Joined: Nov 2001
Posts: 522
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From: Houston, TX
Re: compression ratio for turbo'd engine (b18bturbo)
most of the harcore turbos guys i know will say that 9:1+ is way too high for a high boost application. Although these compression rations are common with FI honda engines, you may want to increase your tolerance for low octane gas and fluctuating intake temps by going a little lower. I went 8.5:1, some go as low as 7.5:1.
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pumpkyn
Honda Civic / Del Sol (1992 - 2000)
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Aug 17, 2006 09:24 PM