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Cammed ws6 question

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Old 03-01-2017, 04:09 PM
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Recently purchased a 00 t/a with a rebuilt engine for 7k but the "custom cam" specs given to me seem a little off to me. I don't know much about cams but do these specs seem like a boost cam?any info would be greatly appreciated.

cam specs: .558/.578 lift, advertised duration 279/290, 218/230 duration @.050" lift, 112 degrees of lobe separation.
Old 03-01-2017, 04:58 PM
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It depends on your idea of a "boost cam" but a duration split with that much exhaust bias makes sense; you don't need as much intake duration because you are cramming(boosting) the air/fuel in there, and since you crammed that much more in there, you need more exhaust duration to let it out. A 112 LSA is a little odd but it's only a measurement and not really the whole story. In theory, a low LSA tells us we have more overlap, and overlap under boost can let some of your boost out the exhaust.

The lift is conservative but not bad per se; stock LS1 heads don't flow much nore past .500" so those donkey cams with .640" lift just get you to mid lifts a little faster. If running boost, less of an issue.

Short answer: yes, that could be considered a boost cam but we don't have all the specs. Is that all the info you can give about the cam?
Old 03-01-2017, 09:25 PM
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yea pretty much those were the cam specs on the receipts. The engine was also Bored 0.010 Over which I don't see the point in doing so with an LS engine. But after pulling the pan and valve cover gaskets all the signs are there of a rebuild. He also mentioned the car was "93 octane tuned" but it runs rich as hell. Thank for the info I needed to know what you guys thought of it before I tried getting it retuned.
Old 03-02-2017, 08:40 AM
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Is the car boosted? Does the car still have a MAF or was it tuned for Speed Density? I'm boosted and tuned SD and my car does have a rich smell at idle.
Old 03-02-2017, 10:26 PM
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No it isn't but it does still have the MAF that's why I been thrown off about the whole set up he had running he claimed he had 400 rwhp with ported heads, that custom cam, and "93 octane tune'' lol
Old 03-04-2017, 10:57 AM
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I think 400 rwhp on that cam is possible



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