Cam and compression ratio compatibility
From Crankshaft Coalition Wiki
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==Matching cam to compression ratio== | ==Matching cam to compression ratio== | ||
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| align="center" |9.75:1 || align="center" |216º || align="center" |1,800-5,600 | | align="center" |9.75:1 || align="center" |216º || align="center" |1,800-5,600 | ||
| − | |- | + | |-ign="center" |3,000-6,800 |
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| align="center" |11.00:1 || align="center" |240º || align="center" |3,200-7,000 | | align="center" |11.00:1 || align="center" |240º || align="center" |3,200-7,000 | ||
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*[http://www.uempistons.com/calc.php?action=comp2 Dynamic compression calculator] by KB | *[http://www.uempistons.com/calc.php?action=comp2 Dynamic compression calculator] by KB | ||
*[http://www.wallaceracing.com/dynamic-cr.php Wallace Racing DCR calculator] | *[http://www.wallaceracing.com/dynamic-cr.php Wallace Racing DCR calculator] | ||
| − | {{Note1}} Some dynamic compression ratio calculators (like KBs) ask for an additional 15 degrees of duration be added to the IVC @ 0.050" lift point | + | {{Note1}} Some dynamic compression ratio calculators (like KBs) ask for an additional 15 degrees of duration be added to the IVC @ 0.050" lift point nnbfigure. This works OK on older, slower ramped cam lobes, but the faster lobe profiles may need to have 25 degrees or more added to be accurate. |
===Cam phasing=== | ===Cam phasing=== | ||
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*[[Quench]] | *[[Quench]] | ||
*[http://www.compcams.com/camquest/default.asp Comp Cams CamQuest] dyno simulation program | *[http://www.compcams.com/camquest/default.asp Comp Cams CamQuest] dyno simulation program | ||
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