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Premium Member
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See the 489 link in my sig below. The cam is an Isky custom grind. R469 intake lobe (.736"/272*), R469 exhaust lobe (.714/280), gound on a 108 LSA. The intake looks a little on the short [email protected]", but if you look at the the .100,.200 etc. numbers, you can see it is a pretty aggressive lobe.
If I had it to do again I might go a little shorter on the exhaust lobe, R467 is .714/276. Might make a little more TQ that way. This is with 1.7 rockers.
Hey Jay,,
How about 649/469 ;)
And if you profile these lobes you will find they are 2-3°'s bigger at .050 than advertised on a rat core.
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