The Definitive "Will the Cheatr V3 pass CA emissions" thread
07-01-2011, 06:07 PM
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The Definitive "Will the Cheatr V3 pass CA emissions" thread X-Post From Internal Engine GenIII
I've seached the forums and have read many posts about this cam. I have seen a lot of "should pass" comments but I cant seem to find any that definitively say that it HAS passed CA emissions test.
This engine is going into a 1986 Porsche 944. That means that I will be going to the B.A.R. referee for inspection and will, of course, have to pass emissions. It will be tested as a 2002 Camaro.
I am running LS6 intake, 243 heads (unported), stock exhaust manifolds and cats.
Cam specs are 219/230 .607/.604 117 LSA
I would feel a lot better about buying this cam if I knew for sure that it has been passing the CA emissions test.
I've seached the forums and have read many posts about this cam. I have seen a lot of "should pass" comments but I cant seem to find any that definitively say that it HAS passed CA emissions test.
This engine is going into a 1986 Porsche 944. That means that I will be going to the B.A.R. referee for inspection and will, of course, have to pass emissions. It will be tested as a 2002 Camaro.
I am running LS6 intake, 243 heads (unported), stock exhaust manifolds and cats.
Cam specs are 219/230 .607/.604 117 LSA
I would feel a lot better about buying this cam if I knew for sure that it has been passing the CA emissions test.
07-01-2011, 06:59 PM
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It has -9.5 degrees overlap.
The general rule of thumb is -7 degrees of overlap at .050" will pass smog every time. -4 degrees might pass, but the cats need to be really good and the tune needs to be razor sharp. 0 degrees of overlap at .050" almost NEVER passes.
TR 230 on a 111LSA = 5 degrees (dirty, no way pass)
TR 224 on a 114LSA = -4 degrees (maybe pass)
TR 220 on a 114LSA = -8 degrees (definitely pass)
215/230 on a117LSA CheaTR = -11 degrees (definitely pass)
TR 230 on a 111LSA = 5 degrees (dirty, no way pass)
TR 224 on a 114LSA = -4 degrees (maybe pass)
TR 220 on a 114LSA = -8 degrees (definitely pass)
215/230 on a117LSA CheaTR = -11 degrees (definitely pass)
