It has begun...twin turbo 2010 GT500 - Page 7

garagelogic · 11-06-2009, 10:37 AM

Update. Spent a few hours last friday at Dynospeed and put the car up on the rollers for a little tuning. The car made some good numbers on the initial pulls despite having very little timing dialed in and running super rich. IAT's were still higher than we liked though, even with the methanol (long story, I will not go into right now), so we have elected to add an upgraded heat exchanger to the package to get the downstream temps lower. As soon as we take delivery of that piece and get it installed (hopefully next week) we'll put it back on the dyno and see what happens.

I still have not driven the car, as it was pouring rain all day when I was up there last Friday. The car makes some pretty wicked sounds and about 2800rpm, you better be ready to go!

1320junkie · 11-06-2009, 10:39 AM

Quote:

Originally Posted by garagelogic

Update. Spent a few hours last friday at Dynospeed and put the car up on the rollers for a little tuning. The car made some good numbers on the initial pulls despite having very little timing dialed in and running super rich. IAT's were still higher than we liked though, even with the methanol (long story, I will not go into right now), so we have elected to add an upgraded heat exchanger to the package to get the downstream temps lower. As soon as we take delivery of that piece and get it installed (hopefully next week) we'll put it back on the dyno and see what happens.

I still have not driven the car, as it was puring rain all day when I was up there last Friday. The car makes some pretty wicked sounds and about 2800rpm, you better be ready to go!

*CamaroSpike23* · 11-06-2009, 11:00 AM

sweet. what was up with the meth?

GEIST LS9 · 11-06-2009, 07:32 PM

Quote:

Originally Posted by garagelogic

For the two or three folks on the board who might genuinely be interested, I have started the process of installing twin turos on my 2010 GT500.

If you will recall, I had previously owned a 10-second KenneBell 2007 GT500 which I took back to stock before trading it in on the 2010. It had been my original intention to simply transfer the KenneBell, coilovers and other goodies over to the new car.

Well, after much debate and realizing that I would have to make some significant modifications to the stuff I had to make it fit correctly on the 2010, I elected to instead sell the stuff I had taken off the 2007 and go a different route in my quest for better performance.

After consulting with several people with much more knowledge and considerably more experience than I have, I have elected to take the turbo plunge. Not only are turbos an efficient means of boosting power, they could also be installed without making any changes to the car at all. (i.e. no hood notching, no special k-members, no relocation of parts, etc.)

The system I have elected to go with is the Hellion "Hellraiser" system for the GT500. This as a compound boost setup that utilizes (in the kit I went with initially) twin 61mm Turbonetics turbos pushing air through the stock Eaton blower. This setup can be upgraded to two 68mm turbos down the road if I desire more power, but considering that this is my first foray in the world of exhaust driven boost, I figured going with the most basic setup will be more than capable of getting the car to the power levels I was looking for on pump gas and the factory powertrain.

Obviously, one of the factors in making this change was being able to do it with little or no out-of-pocket expense greater than what I was able to sell my other stuff for. I am pleased to say that the mission was accomplished with a little help from some friends and EBay.

I am hoping to make in the neighborhood of around 700-750rwhp on pump gas with this kit in place, but as long as it makes at least as much as I was making on 93 octane pump gas with the KB (~650rwhp), I will certainly be happy. The kit is scheduled to be shipped a week from Monday, and I hope to have everything installed and tuned by the end of October. If that is the case, I hope to get a few runs in with the new setup before Beech Bend closes for the season.

Here are some pics of the kit I have gone with installed on a 2008 GT500:

If I bought a Gt500 OR A SVT Cobra this is exactly what I'd do to it.I'm glad to see someone who's just as crazy as I am about gettin power.I hop your car can hook up relaibly when you launch it.I'm currently in the ARMY but won't be going off to basic until late january.I'll be out by June and a car setup like yours is looking like a winner to me

zebra · 11-07-2009, 01:00 PM

Quote:

Originally Posted by CamaroSpike23

...what was up with the meth?

you know meth makes people do some crazy ****

305pride · 11-07-2009, 05:14 PM

so since its a gt500, it has a supercharger already. so the engine will have a supercharger and twin turbos? sounds crazy.

a_Username · 11-07-2009, 05:32 PM

Quote:

Originally Posted by 305pride

so since its a gt500, it has a supercharger already. so the engine will have a supercharger and twin turbos? sounds crazy.

Yeah. I've heard more about this on diesels, with people feeding their stock turbochargers with superchargers.

Den4176 · 11-07-2009, 05:36 PM

Quote:

Originally Posted by 305pride

so since its a gt500, it has a supercharger already. so the engine will have a supercharger and twin turbos? sounds crazy.

I think its called a quad set up

someone correct me if im wrong

garagelogic · 11-07-2009, 11:42 PM

Quote:

Originally Posted by Den4176

I think its called a quad set up

someone correct me if im wrong

It's called compound boost. Quad would imply four power-adders, which is not the case.

zebra · 11-09-2009, 08:17 PM

didn't somebody make a twin-supercharged lightning a while back??

you could try that with your TT setup

Speed74SS · 11-09-2009, 10:36 PM

Quote:

Originally Posted by zebra

didn't somebody make a twin-supercharged lightning a while back??

you could try that with your TT setup

I saw one at SEMA last week - looked pretty cool.

zebra · 11-09-2009, 10:37 PM

Quote:

Originally Posted by Speed74SS

I saw one at SEMA last week - looked pretty cool.

lightning or gt500?

Speed74SS · 11-09-2009, 10:55 PM

Quote:

Originally Posted by zebra

lightning or gt500?

It was a Lightning. I didn't get a picture of it though. It was definately very cool looking, as I have never seen anything like that before. I was distracted by the WD-40 booth, so I didn't get back that way. Everything kind of seems to blend together after a while and I still see pics of cars that I didn't see while I was there.

Garage - love the build and looking forward to seeing it in April!!!

garagelogic · 11-13-2009, 06:59 PM

Update: Well, the upgraded heat exchanger arrived late this afternoon, so hopefully everything will get installed early next week. Here is the unit going on the car:

This is a dual-pass unit with twin Spal fans that pull about 1500cfm through the exchanger. We're hoping to see 30-50 degree cooler IAT's with this in place.

11-06-2009, 10:37 AM	#85
garagelogic Account Suspended Drives: 2010 Shelby GT500 Join Date: Jul 2008 Location: Tennessee Posts: 1,686 View My Garage	Update. Spent a few hours last friday at Dynospeed and put the car up on the rollers for a little tuning. The car made some good numbers on the initial pulls despite having very little timing dialed in and running super rich. IAT's were still higher than we liked though, even with the methanol (long story, I will not go into right now), so we have elected to add an upgraded heat exchanger to the package to get the downstream temps lower. As soon as we take delivery of that piece and get it installed (hopefully next week) we'll put it back on the dyno and see what happens. I still have not driven the car, as it was pouring rain all day when I was up there last Friday. The car makes some pretty wicked sounds and about 2800rpm, you better be ready to go! Last edited by garagelogic; 11-07-2009 at 11:28 PM.

11-09-2009, 08:17 PM	#94
zebra just can't seem to leave Drives: your mom wild!! Join Date: Oct 2008 Location: cold & windy Posts: 10,625 View My Garage	didn't somebody make a twin-supercharged lightning a while back?? you could try that with your TT setup __________________ Eve ('00 FRC): hot-air intake Rowan ('09 H3): 5spd mom-mobile Penny ('99 Sierra): 5.3 / HD 5spd... gone but not forgotten Samson ('18 HD): compounded 408

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11-07-2009, 05:14 PM	#90
305pride Drives: 3.4l 1995 camaro Join Date: Apr 2009 Location: miami, fl Posts: 2,202	so since its a gt500, it has a supercharger already. so the engine will have a supercharger and twin turbos? sounds crazy.

11-13-2009, 06:59 PM	#98
garagelogic Account Suspended Drives: 2010 Shelby GT500 Join Date: Jul 2008 Location: Tennessee Posts: 1,686 View My Garage	Update: Well, the upgraded heat exchanger arrived late this afternoon, so hopefully everything will get installed early next week. Here is the unit going on the car: This is a dual-pass unit with twin Spal fans that pull about 1500cfm through the exchanger. We're hoping to see 30-50 degree cooler IAT's with this in place.