Quote:
Originally Posted by pastry_chef
One man had both David Vizard and Mike Jones each submit their cam specs for a combination.
Results were almost identical. They use different equations but arrived to the same conclusion.
Vizard specs
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Here is what my Cam Master program calls for with the spec of engine being built.
In. Lobe
330 @ 0.012 tappet lift
310 @ 0.020 "
282 @ 0.050 "
0.525 lobe lift
0.922 lift after lash with 1.8/1 R/Ratio
Ex. Lobe
346 @ 0.012 tappet lift
324 @ 0.020 "
294 @ 0.050 "
0.500 lobe lift
0.830 valve lift after lash with 1.7/1 R/Ratio
LCA 110.5 Required.
Note:- If Mike only grinds LCA's to whole numbers as is the case for most cam grinders then I will opt for 111 LCA.
Mike Jones specs
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Intake: 332 @.012"(Seat), 312 @.020", 284 @.050", .525" lobe lift, .925" net valve lift w/1.8 RR
Exhaust: 344 @.012"(Seat), 326 @.020", 295 @.050", .497" lobe lift, .825" net valve lift w/1.7 RR
Hot Lash .020"/.020"
LSA 111
Mike Jones
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That is interesting.... How did that come about?