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LM7 Cam advice

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Old Aug 3, 2015 | 07:06 AM
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Default LM7 Cam advice

Hey guys I have a 04 Silverado 5.3L LM7 with a magnuson mp112 supercharger. I have long tube headers and magnaflow exhaust system. I want some advice on a good cam for my truck. What is a good cam for this truck? What else would I have to do or replace when I replace the cam?

Last edited by invision6606; Aug 3, 2015 at 07:20 AM.
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Old Aug 4, 2015 | 09:31 AM
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Ls9 cam, good and cheap
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Old Aug 4, 2015 | 07:58 PM
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I also want to port, polish and mill my heads also. Would this cam work or should I spec one out to my head porting and milling?
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Old Aug 5, 2015 | 05:08 AM
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I would call one of the sponsors Martin at Tick Performance or Kip at Cam Motion. The Ls9 cam is for a gen 4 motor and you have a gen 3 motor. You can make it work but it would be easier to get the correct cam. While your in there you can replace the timing chain and oil pump.
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Old Aug 5, 2015 | 10:02 AM
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The ls9 cam is also for square port heads and has a ridiculous exhaust duration bias built into the cam. That may just so happen to work with positive displacement blowers, but there are definitely better options for a blown cathedral headed motor.

Get a custom grind cam from one of the sponsors here. You can even retain the vvt system if you want to.
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Old Aug 5, 2015 | 02:52 PM
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Also the LS9 cam designed for a 3200lbs car

Comp Cams 54-412-11 , XE lobes, simple cam

212/218 .522/.529 114

To move 5000 lbs need more tq. , close the intake valve sooner. Add PAC 1218 springs.
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Old Aug 5, 2015 | 03:43 PM
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I had these three cams on my mind. What you guys think?
Lingenfelter L210150309
Comp cam 54-468-11
Lunati 20540724
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