"Smaller" TR Reverse Split; Good or No?
"Smaller" TR Reverse Split; Good or No? Most people seem to love the TR230 as a reverse split cam.
However, being in Cali, I need to pass the sniffer (visual is easy).
My question is this, then:
Will the smaller reverse split (227/224 .569/.563 114 LSA) pass emissions assuming a good tune and all that?
Also, is it still a good cam? I tried searching and only found like one topic, lol.
However, being in Cali, I need to pass the sniffer (visual is easy).
My question is this, then:
Will the smaller reverse split (227/224 .569/.563 114 LSA) pass emissions assuming a good tune and all that?
Also, is it still a good cam? I tried searching and only found like one topic, lol.
Do they actual drive your car on the dyno or just do an OBD2 plug in test? If it's the OBD2 test you can have your computer re-programmed to pass no matter what you have done (except for maf delete).
Cannot tell you about the emissions matter but I can help a bit with info about reverse split cams, they usually give you more mid range power than a traditional cam but a little less power on the top end. RS are cams which are friendly and can be used easier for a daily drive since they give you torque at lower rpm's. If your car is a street/strip car you may have some questions about which type of cam you use. If it's a strip car go right for a traditional split cam and if it's a street car I recommend it but you might consider getting a traditional split. Its up to you, a friend of mine has one reverse split cam really similar to yours and daily drives the car to work.
Good Luck
Good Luck
In order to figure it out you need to calculate the overlap. There's a general range of overlap values that are considered to be able to pass emissions testing. I don't remember these formulas or values because I don't have to bother with it, but that should help you search wise.
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Ok, so I searched on overlap and read that -6 is a "smoggable" overlap.
For this cam it comes out to be -2.5.
But what is confusing is that the "smog friendly" TR224 on a 114 LSA comes out to only -4 overlap.
Am I missing something or is the difference (i.e. -4 > -6) made up for by the tune or the valve events?
For this cam it comes out to be -2.5.
But what is confusing is that the "smog friendly" TR224 on a 114 LSA comes out to only -4 overlap.
Am I missing something or is the difference (i.e. -4 > -6) made up for by the tune or the valve events?
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