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Coyote Series Engines
11.5:1 with PD blower
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<blockquote data-quote="by9468840" data-source="post: 14428987" data-attributes="member: 146670"><p>is anyone running 11.5:1 compression with a PD blower and on 93 pump gas? </p><p></p><p>I plan to build the internals of my 11 GT (roush supercharged) with 11.5:1 forged pistons. </p><p>The amount of boost i can make with a standard roush tvs isnt more than 13-15 psi before running into belt slip issues etc. </p><p>I was thinking of rather increasing the CR so that blower wont have to spin too hard. </p><p>The car wont be raced. Its being built for longetivity making 650-700rwhp max. </p><p></p><p>It is hard to say which is better.. </p><p>keep 11:1 and increase the boost.. or increase CR to 11:5 keeping the boost same but drop timing.?</p></blockquote><p></p>
[QUOTE="by9468840, post: 14428987, member: 146670"] is anyone running 11.5:1 compression with a PD blower and on 93 pump gas? I plan to build the internals of my 11 GT (roush supercharged) with 11.5:1 forged pistons. The amount of boost i can make with a standard roush tvs isnt more than 13-15 psi before running into belt slip issues etc. I was thinking of rather increasing the CR so that blower wont have to spin too hard. The car wont be raced. Its being built for longetivity making 650-700rwhp max. It is hard to say which is better.. keep 11:1 and increase the boost.. or increase CR to 11:5 keeping the boost same but drop timing.? [/QUOTE]
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11.5:1 with PD blower
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