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Thread: Cam Help
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10-21-2010, 03:31 PM #1Junior Member
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Red- 2001 Firbird Formula
Cam Help
I was wondering if Comp Cam XER287HR would work with a stock 2001 Firbird Formula LS1? If not what else would I need?
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10-21-2010, 04:30 PM #2Member
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On your ass flashing- my highbeams
lift, duration, lsa specs?
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10-21-2010, 04:41 PM #3Junior Member
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Red- 2001 Firbird Formula
Duration 287/289, Lift .605/.609
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10-21-2010, 06:23 PM #4Member
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On your ass flashing- my highbeams
That's ridiculously huge if the specs are right. The big ass donkey dick cams I am used to seeing are in the mid 240's and low 250's and those are rare. It wouldn't work with a stock ls1 at the very least you need headers to support a cam with an intake/exhaust split that is so close together. They do make cams for stock exhaust manifolds that are on the tamer side. But most people are greedy
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10-21-2010, 08:44 PM #5Veteran
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i think the specs are.... 238/240-.605/.609-112lsa
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10-21-2010, 09:15 PM #6Auto Painter
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White- 1998 Trans Am
That came is way to big. Also if you have a AUTO like me you will need a stall to get good use of a cam. I would say on a stock motor use something in the 22x range with 598 list and wither a 112 of 114 LSA. I am doing a 3200 and going for.a.Texas Speed Torquer2 cam.I also have full bolt ons including a.LS6 intake lt headers, and the rest of the usual goodies.
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10-22-2010, 02:51 AM #7blah
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black- '02 trans am ws6
Gear it up, get a good stall, and a helluva tuner and rock it. Already have had the "big vs small" cam debate, and in the end its what you want and nobody else.
'02 ws6.....mods? nope 
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10-22-2010, 03:30 AM #8Senior Member
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Bat mobile black- 2000 Trans am WS6 M6
i just got my TSP 233/239 cam shaft installed yesterday. Its great, lopes big but it needs a tune. I honestly think it drives easier than it did with the stock cam. Definately sounds way better.
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10-22-2010, 01:15 PM #9Junior Member
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Red- 2001 Firbird Formula
I want a little lope but add some power if possible. why would the specs i gave be too big? I have never worked on valvetrain components before but just starting to learn the technical aspects. How are Lunati cams?
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10-22-2010, 01:55 PM #10Veteran
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i think the specs you poster where wrong AND it a comp cam if im not mistaken
Originally Posted by danielh85
i looked up that cam you first posted and it said these....238/240-.605/.609-112lsa
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10-22-2010, 03:11 PM #11Junior Member
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Red- 2001 Firbird Formula
would the valve lift have to do with that higher duration or does that have anything to do with it?
Last edited by danielh85; 10-24-2010 at 07:28 AM.
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