Stock crate LS2 472BHP! on an engine dyno

[Gelf VXR]

May have been posted before....

http://www.popularhotrodding.com/tech/0611phr_ls2_...

Stock crate LS2 produces 472bhp / 450lbft(with reace headers)on engine dyno!! Why only 400bhp in the vehicle, more evidence of the restrictive air intake!!



With Fast Intake and Heads 503bhp / 489lbft 29 degrees of advance


With the above and cam 573bhp / 505lbft

Edited by Gelf VXR on Monday 19th May 05:18

[jayrockwell]

WOW.

[ringram]

Add, alternator, powersteering pump, aircond etc and then see what it is
Also OEM timing is not optimal. If you tune optimal to the fuel that will also help. Plus as mentioned exhaust without cats and mufflers etc.

But yeah, Fast intake, nice heads and cam is the go

[Gelf VXR]

ringram said:

Add, alternator, powersteering pump, aircond etc and then see what it is
Also OEM timing is not optimal. If you tune optimal to the fuel that will also help. Plus as mentioned exhaust without cats and mufflers etc.

But yeah, Fast intake, nice heads and cam is the go

What cost fast intake, heads and cam vs 9psi intercooled?

[ringram]

Well on the LS2 Id say heads/cam/intake will put you ahead of the standard supercharger installs.

Dart 225 heads are $1600
Fast is $800
Cam $400
Gaskets etc $200

Then labour, I think Roger took 2 days on mine.
So say $3000 US plus the odds and ends. Fluids etc. Id probably budget £3k odd.
Personally I think heads/cam prepresent better value and performance than the entry level supercharge kits. Plus each extra bhp comes at a fuel saving of up to 30% over forced induction.

If you want megawatts then you will eventually need to look at some forced charging. But IMO not until you are well over the 500bhp mark at which point you will be wanting to do heads/cam/forged in the engine anyway.

[Well_Fans]

you'd want headers as well and a remap which richard will have done himself I'm guessing. Might also want to upgrade the injectors and also fit a better timing chain etc etc - its the path I want to go down but I keep getting sidetracked looking at all the other bits that you can/should do at the same time which keeps bringing me back to getting a crate engine from the US with the work all done...or I know Roger was working on putting a NA package together but dont know how far he's gotten with it

[ringram]

.. which is why Im getting a crate stroker, if you are getting a motor then make it a proper one
Though it would still cost a lot less modifying the current one.. Just less power.

[monkfish1]

Well_Fans said:

you'd want headers as well and a remap which richard will have done himself I'm guessing. Might also want to upgrade the injectors and also fit a better timing chain etc etc - its the path I want to go down but I keep getting sidetracked looking at all the other bits that you can/should do at the same time which keeps bringing me back to getting a crate engine from the US with the work all done...or I know Roger was working on putting a NA package together but dont know how far he's gotten with it

Its getting on quite well Its out and about accumalating mileage right now.

[ringram]

I think bottom line is to figure out what power you want by going for a drive, or driving other setups then buy accordingly. I spoke to Roger about his engine package and it certainly sounds interesting.

It it available for test drives Roger?