Compression Check...??

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Nov 19, 2006 | 10:00 PM

JFG Kevin

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From: Oakland, CA, USA

Compression Check...??

SET UP:

84.5MM MANLEY 12:5 PISTON
GSR HEAD
LS CRANK

Around what compression should i be seeing with that set up? I'm almost sure it's not going to be at 12.5?

Nov 19, 2006 | 10:35 PM

s2kdre

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From: Skmotoring.com

Re: Compression Check...?? (JFG Kevin)

310+ my friend had 12.6:1 and it went way past the max on the guage.

Nov 19, 2006 | 10:36 PM

Combustion Contraption

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From: So Cal

you bought a 12.5:1 piston but what p2d height was that measured with?

Nov 19, 2006 | 10:50 PM

JFG Kevin

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Re: (Combustion Contraption)

Bore Size - 84.5mm/3.327"

Rod Length - 5.394"

Stroke - 3.504"

Comp. Distance - 1.181"

Dome Volume - 4.8

Compression Ratio - 12.5:1

Piston Style - Dome

Pin Diameter - .827" x 2.250"