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| Re: Turbo compression newbie |
Subject: Re: Turbo compression newbie
by AFRacer on 2018/2/19 0:33:07
The whole reason for lowering compression for a turbo motor is last decade stuff. The reason for it was to help avoid detonation on pump gas at higher boost levels. You sacrifice off boost torque/hp and lower spool when you lower the compression. In my area, E85 provides the ability to keep higher compression with boost and still avoid detonation. So, I have no reason to lower compression if I go turbo. However, a strong metal or multi layer steel head gasket is ideal no matter the compression, just get the thickness you need to maintain .032 to .060 inch piston to head clearance so you don't mess up the quench and induce more detonation (Err toward the smaller distance, .032" as much as possible).
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