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Compression change?

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Old Aug 17, 2001 | 10:14 PM
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IROC-Z_85's Avatar
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From: Some City, OR
Compression change?

If i have a 305 running 9.5:1 compression on 58cc heads, what is my compression on 64cc heads?

(other than "less")

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1985 IROC-Z
TPI 305, 700R4 with shift kit, richmond 3.73's, auburn pro series posi, crane compucam 2030, ported plenum, gutted air boxes, all the little insignificant stuff.
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Old Aug 17, 2001 | 10:51 PM
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8.86:1
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Old Aug 18, 2001 | 12:39 AM
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From: Some City, OR
Ouch...

So i should just forget that one eh?

------------------
1985 IROC-Z
TPI 305, 700R4 with shift kit, richmond 3.73's, auburn pro series posi, crane compucam 2030, ported plenum, gutted air boxes, all the little insignificant stuff.
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Old Aug 18, 2001 | 12:50 AM
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AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Depends. You could go from running 92 octane fuel down to using 87.
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