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Forced Induction Superchargers | Turbochargers | Intercoolers

Cam for turbo ??

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Old Nov 27, 2005 | 07:43 PM
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Default Cam for turbo ??
I'm putting a LS1 in my 67 Chevelle and have plans for a turbo. I've seen posts where people have used the stock cam but have also talked to those that recommend a "reverse split" cam with a higher LSA. I'm not building a track car, just something really cool for the street. My 67 should weigh in about 300Lb less than a stock Camaro.

Thoughts..opinions??

thanks
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Old Nov 27, 2005 | 11:15 PM
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Get a turbo cam that is mated to your individual app.
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Old Nov 28, 2005 | 02:01 AM
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I would go with the LS6 cam.It works really well with boost and is a inexpensive cam!If you want to go bigger than that maybe somthing in the low to mid 220s duration and 550to570lift with a 114 or a little higher LSA.Anything in that range would work fine.
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Old Nov 28, 2005 | 05:14 AM
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Thanks


Anyone know off hand how much lift the stock valve springs will take?
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Old Nov 28, 2005 | 10:42 AM
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You definitely need to upgrade your springs. Im looking at running patriot duals with a pretty mild cam (224/224 or smaller) for my turbo setup.
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Old Nov 28, 2005 | 10:53 AM
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Yeah the springs are a definite weak link in the valve train....The max is somewhere around .520" lift or maybe a tad higher but they sure don't help with the valve float running higher rpms...It's kinda of insurance to just upgrade them so that you don't smash a valve against a piston..
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Old Nov 28, 2005 | 01:10 PM
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LPE GT-7 w/318 springs!!!
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Old Nov 28, 2005 | 11:37 PM
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I would design a camshaft that is intake duration biased. The exhaust side is not as important as the intake side. Our 226/220 cam works great. And if you want more TQ down low, then you can just go one step smaller in duration. I just got off the dyno today with a stock 346, our cam, GT 67, and our IC kit, made just under 540 on 8psi. The cool thing is it made the power all the way till 6600RPM.
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Old Nov 29, 2005 | 05:20 AM
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Well, I just picked up a Comp Cam 228/224 with 115 LSA. Couldn't pass up hte deal either. About 1/2 price and it's new
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Old Nov 29, 2005 | 10:13 AM
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Originally Posted by 80superbu
Well, I just picked up a Comp Cam 228/224 with 115 LSA. Couldn't pass up hte deal either. About 1/2 price and it's new

That would be my next guess. Matter of fact, I ground that same cam in another turbo car as well.

Rick
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