Compression on street ported motors?
11-06-23, 05:31 PM
#26
Don't confuse cranking compression with compression ratio--- two completely different things.
I've always loved seeing when some guys try and sell their FD with compression in say the 80s, and try and imply that it's a solid reading based on the 'heavily ported' engine. Hogwash.
I've always loved seeing when some guys try and sell their FD with compression in say the 80s, and try and imply that it's a solid reading based on the 'heavily ported' engine. Hogwash.
it's a 8.5:1 semi pp large street ported engine
11-10-23, 11:08 AM
#29
pretty sure that exceeds the statute of limitations 
otherwise not enough data to normalize it to 250 rpm, Miami is about as close to sea level as they come though.
the point is that big gains after initially running the engine some aren’t likely to happen. Another false idea is that the low readings will get closer to the higher readings. It could go just the opposite.
.
otherwise not enough data to normalize it to 250 rpm, Miami is about as close to sea level as they come though.
the point is that big gains after initially running the engine some aren’t likely to happen. Another false idea is that the low readings will get closer to the higher readings. It could go just the opposite.
.
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