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FE TALK
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http://www.clubcobra.com/forums/fe-talk/)
| wrench87 |
10-26-2007 12:32 PM |
390 stroker and fuel inj emmission leagal
i would like to try to build my 390 stroker emmsiion legal, i was thinking about using the big block shorty headers and some custom cats like they do on the small block ffr cars. what numbers would be good for a custom cam?. any thoughts on this.
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| RICK LAKE |
10-26-2007 01:15 PM |
Small cam.
wrench 87 Small cam with FI system you didn't say what year emmission you where having to meet. I don't think a cam bigger than .550" lift with 112 duration will pass and 10.0 compression. This is why you have 2 motors, 1 to race and 1 for the street and emmisions for the state. You could add an air pump to the exhaust and help lower the outputs of the sidepipes. Rick
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