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05-20-2008 05:22 PM asshanson

i just don't know if static compression is measured, or something *close* to it is measured

05-20-2008 05:21 PM asshanson

hmm i guess because it's all vacuum at that point, no boost

05-20-2008 05:20 PM A//// Guy

I dont see how it can vary based on rpm, it should stay the same at each stroke

05-20-2008 05:18 PM asshanson

i understand how static compression doesn't change, but i thought that was theory/calculation based. cranking at 300rpm seems like it would change the numbers a bit

05-20-2008 05:18 PM asshanson

time to go home, but i will check the shoutbox archive for an answer, or post a tech thread about it tomorrow

05-20-2008 05:17 PM A//// Guy

hmm not sure on that

05-20-2008 05:15 PM asshanson

i have a big question though, is cranking compression the same as static compression in practice?

05-20-2008 05:13 PM asshanson

some say big cams will affect cranking compression ratio some, others don't mention it changing. not much info about forced induction either, mostly NA stuff and how you need to up your compression ratio if you get bigger cams

05-20-2008 05:12 PM asshanson

and how different cams change them at different rpms

05-20-2008 05:11 PM asshanson

man i just read a ton on static and dynamic compression ratios

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