Forced Induction Superchargers | Turbochargers | Intercoolers

what size cam?

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Old Jul 22, 2006 | 07:53 PM
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im installing my own self built remote mount turbo using a t67 with an 84 backside in my 97z m6. im just refreshing the motor-gaskets, while i build another, i just wanted to do a cam install. ive already got 1.6 rockers,full-length headers, y-pipe and 3 inch exh. just want a good profile cam for the strip any ideas?
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Old Jul 23, 2006 | 05:22 PM
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Anybody?
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Old Jul 23, 2006 | 07:28 PM
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Intmd8 is the LT1 expert... he's been running a lot of small single pattern cams.
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Old Jul 24, 2006 | 01:03 PM
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what do you mean by single pattern? liftand duration the same?
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Old Jul 25, 2006 | 01:47 AM
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anybody got a little more specific info lift#s, duration #s???
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Old Jul 25, 2006 | 06:55 PM
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not to many companies make what i think is a single pattern cam the only one i found for lt1 was lingenfelter which was 218/218 560/560 with 1.6rr
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Old Jul 25, 2006 | 09:01 PM
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you can custom order cams any size you want, but don't think that you are limited to just a single pattern cam, many use duel pattern cams, and do great with them.

but in the end, you have to decide what you really want to run, what rpm, are you after more low end mid, or top end?

and of course then you have those that say you can't have any overlap, but at 5000 to 7000 rpm's how much boost is going to bleed off and back feed with a few degrees of overlap, pretty much none.

so before you ask what cam you should run tell us what your goals are.
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Old Jul 25, 2006 | 09:42 PM
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well right now im budget confined but im just looking for a quick street car with what ive got. stock longblock, 1.6rr's, full-lengths, 3-inch off rod y, 3-inch exhaust, remote mount t67 turbo-84 hotside, t56-shortthrow, 4.10, upperlower ca's, hardtop. eventually i would like to only race, but i have another engine that im sending out now for next year-lower comp, fully forged,etc
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Old Jul 25, 2006 | 10:16 PM
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I believe Jim is running a 218/218 to have excellent idle quality, but I think he made more power with a 224/224 cam.
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Old Jul 26, 2006 | 06:48 PM
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does anybody know what the max lift you can run on lt1 before having to modify anything? is 560 to much
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Old Jul 27, 2006 | 12:02 AM
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changing anything will require doing valve springs, but I think .600 is about it, not positive though, but many are running gm847's with 1.6 rr's and that puts them at .595
lift on the exhaust.
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Old Jul 27, 2006 | 09:28 PM
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what is gm 847s. what are the specs on that?
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Old Jul 27, 2006 | 11:28 PM
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234/242 .575/.595 w/1.6rr's 112 lsa pretty mean n/a cam.
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Old Jul 28, 2006 | 09:21 AM
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I think 234/242//112 is too much cam.
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Old Jul 28, 2006 | 07:35 PM
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what do you suggest? im just looking for something i can purchase and not custom made....yet.
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Old Jul 28, 2006 | 08:46 PM
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*edit*

Click me

Last edited by SS2win; Jul 28, 2006 at 08:53 PM.
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Old Jul 28, 2006 | 10:21 PM
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Originally Posted by Pro Stock John
I think 234/242//112 is too much cam.
not for n/a, of cource I have seed a couple turbo cams even bigger than that.
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Old Jul 28, 2006 | 10:23 PM
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Originally Posted by Pro Stock John
I think 234/242//112 is too much cam.
I don't think its too much I think its just the wrong grind for a turbo car.

It kind of depends on what your going for though, most of the max effort cars run bigger cams than that.
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Old Jul 28, 2006 | 10:23 PM
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I would look around for something around 220 for your car, with as much lift as you can get away with.
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