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Old 06-07-2005, 04:45 PM   #1
70GMCer
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350 Compression ratio ?

Does anyone know where I could get info on 350 Chevy Compression ratio numbers. I have a 1973 350 4bolt motor with dish pistons, an am trying to find out what the CR is on this motor. The numbers are V0605TJZ and I know it's a 155hp with 4b carb and was in a std. cab truck. That's all I can find out about it.


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Old 06-07-2005, 04:53 PM   #2
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Looking at my engine parts I.D. book it looks like your comp. is around 8.5005.
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Old 06-07-2005, 05:08 PM   #3
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that's great.......thanks.......I thought it might be around that number.....
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Old 06-07-2005, 06:40 PM   #4
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8.5 4bolt huh?? sounds like the perfect start for 12-14lbs of supercharged boost!!!
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