GSM 6.1L Supercharger Completed Pics

[gtrdude4]

445hp at the rear

[jmk]

Does look impressive!

I am curious as to what kind of engine management system is installed. You will need something pretty sophisticated to control engine parameters like timing, AF ratio, etc. to manage this boost at that compression ratio. Does AEM or Split Second make a box for the 6.1? I assume that you are no longer CARB certified (not that it really matters to me, but to some it might).

[vvv90]

Originally Posted by SRT**8

I will say 455.5

Put me in the nervous as hell camp as far as supercharging the 6.1L. I know nothing about modifying engines but hearing the barks of the 2 dogs in this fight, i am nervous but hopeful on longevity of this supercharged engine.

What was rationale DCX gave for not supercharging the 5.7L for the SRT aspplication? I know an early engine talked about for the Magnum was a 430HP supercharged Hemi back when these vehicles were still getting developed. Just seems like, if feasible, a supercharger is a pretty effective modification for an SRT type application that it would have made sense for DCX to go in this direction (like AMG has done) unless there is some reason that a supercharger is not a good fit with the Hemi.

Please understand boosting an engine built for no supercharger, has completely different internals then one that IS built for a supercharger. You cannot make a blanket statement about one AMG motor being blown, vs. one 6.1 that isn't. There's too many differences that you don't see. Trust me.

[vvv90]

Originally Posted by WhiteDiamond

If done in a production sense, the compression ratio of the Hemi would not be in the 10.3:1 range, it would be more like 9.0:1 and be feed 7 to 8 lbs of boost.

Being a long time Corvette/GM sports car modder, I caution you guys to start paying attention to effective compression ratios given by a 10.3:1 comp motor being feed an additonal 6lbs of boost. Todays 91 octane fuels are generally right at the limit for this to work and you better have much better tuning ability for the engine than we have for the Hemi.

I'll quit now.

Todd

WD, it's not use. I've had this arguemnt with jketron before. But it comes down to this:

jketron knows what he's getting into
He's fully aware of the possible problems
He's very "funded" for such catastrophe's
He's got access to parts from Mopar at cost

I say rock on!

We need people to push the envelope. Besides, you make mention of boosted ls1's and ls6's. I don't care what kind of fuel management they have, or how versed they are in ls-edit etc... The weak link, as you mentioned, is the ring lands. Vette's have the hyperpathetic pistons which are not good for boost no matter what, and the seems to hold together. My LT-1 at 10.4:1 with 8-9 well intercooled pounds of boost has been holding together fine.

Do I think it will last forever? Hell no, if I drop the bottom end out of it, I pull the motor and install my 396 fully forged roller stroker at 8.5:1 and boost the heck out of it.

Though I can't see taking my new $50k baby and beating it up like that, if someone else has the money, the means, and the stones, I'll say it again.

Rock on!

Jketron, I thought you were going to install an 8 pound kit. At 6 pounds I personally think you should be ok for power vs. reliability. I do have to change my guess however.

I'm saying 490RWHP.

[Daddydough]

This engine looks great! Big ups to JK! I know you can't wait to let the beast out the cage . Does anyone know how much this system will cost? As for RWHP I'm going with 510!

Again Congradulations....can't wait to see the results

[thematrixhasu]

Im saying 502.007 rwhp give or take .053

[Hardware]

Im guessing 475 hp first time out. definately more with a good tune.

[poplifedc]

Originally Posted by jketron

Well it is off to the dyno today. I'm not there with the car so I can't promise any video.

BUT THAT DAMN DYNO SLIP WILL BE POSTED for good or bad.

This will be a painfully long wait. I don't know what is worse, seeing if I can see Janet Jackson's "costume malfunction" on the web or this.

I know one thing, the end result of Janet was a life altering experinace. This may top it.

[cmego]

Originally Posted by poplifedc

I know one thing, the end result of Janet was a life altering experinace.

For whom..?

[The Vigg]

With the flow rate of the hemi heads, and 10+ comp ratio, I'd expect nothing less than 500rwhp especially considering the regular 5.7 posted 450+. My official guess: 517whp!