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Canadian Poncho Homepage -> Canadian Poncho -> General Pre 1958 Canadian Pontiac Discussions -> 1950 flathead 6 compression
Post Info TOPIC: 1950 flathead 6 compression
50torpedo


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1950 flathead 6 compression
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What is the normal compression  #s for cylinders on  the flathead six

Thanks

Bill in red deer

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Rolilk


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Book reads as this
for the 49/50 239, Compression ratio for a standard is 6.5
For the 49/50 239, Commpression ratio for a High compression is 7.5
The Compression Pressure at cranking speed for the standard is 118 to 135 PSI.
The Compression pressure at cranking speed for the High compression is 135 to 153 PSI.
Same for a 51.
52 to 54 different reading.

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50torpedo


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Thanks Rolilk, I am planning on checking my compression hopefully this weekend if I can get it started, so it can drive into the garage for further work

thanks Bill in Red deer

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