This is a discussion on Cam Help within the Firebird / WS6 forums, part of the Vehicle Specific category; I was wondering if Comp Cam XER287HR would work with a stock 2001 Firbird Formula LS1? If not what else ...
10-21-2010, 03:31 PM #1
I was wondering if Comp Cam XER287HR would work with a stock 2001 Firbird Formula LS1? If not what else would I need?
10-21-2010, 04:30 PM #2
lift, duration, lsa specs?
10-21-2010, 04:41 PM #3
Duration 287/289, Lift .605/.609
10-21-2010, 06:23 PM #4
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
10-21-2010, 08:44 PM #5
i think the specs are.... 238/240-.605/.609-112lsa
10-21-2010, 09:15 PM #6
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.
10-22-2010, 02:51 AM #7
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
10-22-2010, 03:30 AM #8
- Join Date
- Mar 2010
- St Pete, FL
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.
10-22-2010, 01:15 PM #9
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?
10-22-2010, 01:55 PM #10
10-22-2010, 03:11 PM #11
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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