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Old 09-26-2006, 13:17   #1 (permalink)
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best boost compression????

whats the best compression for a turbo small block, like stroked windsor maybe 393 or 408????
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Old 09-26-2006, 14:17   #2 (permalink)
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Re: best boost compression????

depends on the purpose. street or drag, what fuel. I run 9.5-1 on My turbo car (not a ford) and recommended is 8.5. 94 octane is good for the street but when road racing I use 104 just to be on the safe side. But again, depends on the purpose.
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Old 09-27-2006, 07:40   #3 (permalink)
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Re: best boost compression????

It's in the combination?? But I would use 8.5 but if using bigger cam and block is strong up to it 9 to 1.. On alloy heads...
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Old 09-29-2006, 08:13   #4 (permalink)
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Re: best boost compression????

prolly gunna be runnin a 408. 69 block with afr heads and lookin at twin t3/t4's i figured 9 to 1 sound good? ive never been into the boost stuff very much but ide like to figure it all out
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