Hey,

i have an LS2 engine .. heads are ported. FAST 92mm intake and bigmouth throttle body.

I would like to update the camshaft, lifters, rocker arms, .... but only use products from compcams.

I would like to get arround 500 - 530 HP out of the engine.

What products, cam, lifters, rocker arms would you recomend. I am also thinking of updating at a later stage to a ProCharger Kit.

Let me know what you resocmen.. what i need to think about etc ..


Thanks
Fabian

 

Fabian,

Some other info is needed, what trans are you running, rear end gears? Is this a daily driver or for racing? Also in your list you have your heads ported were the springs changed? As you do not have springs on your list of items to buy.

If you just go to a blower off the bat you should be able to get your 500 rwhp and save a lot of money???

 

Thank you very much for your reply. Here some more details to the project.

My LS2 ( 2007 corvette engine with 50 miles on it ) is going into a 61 Chevy Parkwood wagon, so some advantages to get more HP out, due to better exaust flow and air intake. The automatic transmission is a 4L60E built from Rossler transmission - this tranny is made for daily driveing and can last 1000 HP. The rear end is a Crurrie Enterprise. 9 Inch Ford (9IN) 3.70S Ratio - 31 Spline - TrueTrac (TT) Diff. - 9+ Nod Sportsman (S) Case - 9+ Race [R] Pin Sup - 1330-Short 9+ ( C ) Yoke

The reason why not go first for the blower is i just want to see how the whole car drives and than update to more power at a later stage ( ProCharger ) and even get more HP out by dyno tuning, etc ... but first want to see how the car handels.

The springs have been changed at the porting of the heads. If the HP is a little less as 500HP it is also okay... it is no race car ... just a nice driver for fun but want to get the max HP out of it and see what makes sence on spending on tuning parts.. i am not crazy to pay for example 1.000 extra to get 2-3 HP extra out of it ( not yet )


Would be great if you can help me and get more info on what you would do ... and what tuning add witch HP.

 

I forgot to ask does the trans have a stall speed convertor? Reason being is that the size of the cam will be dependant on the convertor to be able to idle.

 

Yes it does. I have a Precision Industries converter.

 

so what upgrades would you recomend ?

 

Fabian,

Again not being there and seeing or working on your engine, I would have to recommend this cam

http://www.compcams.com/Cam_Specs/Ca...csid=1093&sb=2

This is the XER cam which has very aggressive lobes more so then the one I am running which is the XR.

At the bottom of the spec card are the recommended components from Comp Cam which I highly recommend using as Comp Cams does extensive testing of the parts.

 

Thank you! sounds very good to me. Any other recomendation? How drivable is the cam? Anyone using this ?

Thanks
Fabian

 

Fabian,

The cam is a 112 lsa, which along with the duration will have a radical cam idle lope. You said you have a convertor however you did not say what the stall speed is which I hope is either a 2800 or 3000 rpm stall. If this is so the drivability will be okay, providing you have the proper tune.

 

Don't forget to factor the weight of the Parkwood wagon into this equation. A heavier car will require a smaller cam with less duration and overlap to get all that lead moving.
You can download the Comp Cams CamQuest and play with the numbers to help familiarize you with their available cams. Then I would recommend filling out the online cam recommendation form and submitting it to Comp.

 

... 2600 RPM stall is what I show in the invoice.

 

Thanks for the advice. I did run the programm and it shows the one recomended here and also an even more radical cam both as recomended options. I think i will go for the following configuration:

Cam: XER281HR with the recomended products (timing set, lifter kit, rocker arms, push rods, valve springs, retainers, etc ...

FAST 92mm intake
FAST 92 bigmouth throtte body ( cable driven )
FAST XFI Crate Engine Management Kit, LS2
FAST Transmission Controller & harness for the 4L60E

So lets see how much HP i will get out of this ..

 

Okay...

here is my engine ! I installed all new products and now need to make a choisc on injectros for the 92mm FAST intake, what do you recomend ?

Thanks