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Old 12-07-2010, 12:21 PM   #1
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Any GT500 owners running an upgraded S/C?

Just looking to see if there are any other members running a 2.9L Whipple on their GT500's? I am doing this upgrade over the winter and have done extensive research into what to expect and what numbers to expect. Just wondering what other people are running, along with supporting mods etc.
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Old 12-07-2010, 01:16 PM   #2
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Re: Any GT500 owners running an upgraded S/C?

a member on here "GTCPA" has an upgraded blower on his GT500, hopefully he will see this and post up soon
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Old 12-07-2010, 01:55 PM   #3
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Re: Any GT500 owners running an upgraded S/C?

my buddy ,who's not on the forums runs a Kenny Bell , stock exhaust , and put down over 800 rwhp
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Old 12-07-2010, 09:18 PM   #4
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Not difficult to do with these cars, Ford offers a pretty stout starting platform!
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Old 12-08-2010, 08:12 AM   #5
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Re: Any GT500 owners running an upgraded S/C?

yea, the GT500's Rods seem to be the weak link in them but they should have no issues and should hold 750 pretty good IF the tune is safe.
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Old 12-08-2010, 09:54 AM   #6
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Re: Any GT500 owners running an upgraded S/C?

I am running the Ford TVS supercharger upgrade from the stock unit. It is polished and looks good under the hood. Power increased dramatically, and I am very happy with it. With HP and TQ close to 650rwhp, it gives me all that I need on the street because I have traction problems now, even with drag radials.

I have heard good things about Whipple and KB, and the numbers that they generate. As you know the 2.9l whipple will also fit under your stock hood.

My install was very easy, taking 8 or 10 bolts out and lifting unit out, then putting new unit on and tightening the 8 or 10 bolts back.
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Old 12-08-2010, 12:09 PM   #7
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Re: Any GT500 owners running an upgraded S/C?

Quote:
I am running the Ford TVS supercharger upgrade from the stock unit.
What other mods do you have done to your car, any suspension work etc? I am specifically choosing the 2.9L Whipple because it fits under the hood, and doesn't limit me to as much as say a TVS. The power out of a TVS is amazing, and it's a great unit, but I have shot myself in the foot more than once and said 300hp is enough, wasn't, 470hp was enough, it wasn't, 500 hp is enough, wasn’t. This time I am going to go bigger and start slower. 16 psi on the 2.9L will get me in and around, or just shy of 700hp, so that's a good start. I am an ex military guy, still chasing that adrenaline rush from overseas, will there ever be enough hp ... who's to say?

I know a 500 hp, stock GT500 is difficult to put the power to the pavement, these cars require some finesse on the part of the driver.

Let's put this into perspective. Here is my build plan:

- 2.9L Whipple
- 80 lbs Injectors
- JLT CAI
- Techmotion Custom Tune
- UCA & LCA
- Tire upgrade of some sort

The plan is to run around 14-16 psi to start with the option and possibility to up it at a later date. An Afco dual fan heat exchanger will go in next, to keep things cool, maybe a throttle body, BAP, and lowering springs in the near future as well.
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Old 12-08-2010, 12:32 PM   #8
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Re: Any GT500 owners running an upgraded S/C?

You can see my list of mods in my garage section, including my dyno sheet.

I could go over 700 rwhp if I put long-tubes on and tune differently, but I am very happy with the street performance now. This car is like my personal 6 flags ride, and it is a thrill to drive it.

If you think you may want more hp later, I would go with a bigger whipple and lower your motor with an aftermarket k-member and lower motor mounts if it would fit.

With the added hp and tq, I would also recommend puting sub-frame connectors in the rear torque area, because your body panels above your rear wheel wells and trunk area will start to flex and look like small dents as mine started to when you change to wheels that semi-stick. No need to worry about this with the crappy stock goodyears.
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Old 12-08-2010, 12:35 PM   #9
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Re: Any GT500 owners running an upgraded S/C?

I do think the whipple is a great blower and you can lower the psi to get you where you want to be and have potential for future growth, I would start lower in the PSI and move up. Perhaps have your tuner write you a couple tunes for different pulley sizes.

I am not sure if the GT500 has a hub design like the 03/04 can if you go with BilletFlow pullies, this makes pulley swaps super quick.
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Old 12-08-2010, 12:43 PM   #10
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Re: Any GT500 owners running an upgraded S/C?

Good point with the pulley sizes. It depends on the pulley system that each puts on. For instance, the aftermarket metco's I believe can be switched pretty quickly with their hub design.

The stock style, however, are a pain to press on and take off, and take a little time to do.
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Old 12-08-2010, 01:16 PM   #11
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Re: Any GT500 owners running an upgraded S/C?

yea if you dont mind the look or the dealership knowing you can put on a hub and then just quickly swap out supercharger pulleys.
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Old 12-09-2010, 12:59 PM   #12
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Re: Any GT500 owners running an upgraded S/C?

Quote:
I would also recommend putting sub-frame connectors in the rear torque area, because your body panels above your rear wheel wells and trunk area will start to flex and look like small dents as mine started to when you change to wheels that semi-stick.
I will be honest, this is the first time I have heard of something like this happening running the power that you are putting down. Typically if there is twisting, there would be a lot of things that would happen first before small dent above the rear wheel wells.

Quote:
Perhaps have your tuner write you a couple tunes for different pulley sizes.
This is an easy and convenient idea, but not something I would be looking to do.

Quote:
If you think you may want more hp later, I would go with a bigger whipple and lower your motor with an aftermarket k-member and lower motor mounts if it would fit.
I am definitely not willing to lower my engine etc etc. 14-16 psi with the setup I plan on running is fairly moderate and the 2.9L Whipple is capable of much more than the stock motor will take. At this point in time I am not willing or interested in upgrading the motor, maybe down the road, but even still, the 2.9L Whipple won't be going anywhere.
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Old 12-15-2010, 10:33 PM   #13
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I am running a 2.8 mammoth kenne bell and couldn't be happier. I am putting 692 down at the rear wheels on pump gas and just dynoed 789 rwhp on C16 and pulley swop. You will def. need suspension upgrades and some wider tires I'm running 10" rims with 308 drag radials in the back and it holds pretty good considering the 630 footlbs torque at 2k rpm.. You will also want to consider going with a new drive shaft.
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Old 12-15-2010, 10:48 PM   #14
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I am currently running 305 drag radials and have upper and lower control arms ready to go in over the winter to eliminate the dreaded wheel hop. Lowering springs may or may not go in right away upon blower swap, we will have to wait and see! What kind if boost are you running on your Kenne Bell?
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Old 12-15-2010, 10:59 PM   #15
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Quote:
Originally Posted by a_Gorman
I am currently running 305 drag radials and have upper and lower control arms ready to go in over the winter to eliminate the dreaded wheel hop. Lowering springs may or may not go in right away upon blower swap, we will have to wait and see! What kind if boost are you running on your Kenne Bell?
You will notice a difference with the lower springs it made a big difference for me. I also put on new control arms but if your not careful it will still break loose between 2nd and 3rd. I'm running 16lbs boost on my street tune... I do have to say the kenne bell comes with the best tunes money can buy!!! My friend is the principal at a large mechanic school and they use my dyno from my kenne bell tune as an example of what you should shoot for when doing a performance tune. Herd good things about whipple s/c also but don't know much about their tuning.
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Old 12-16-2010, 09:47 AM   #16
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I really like the Kenne Bells, have a ton of friends who have them! I will be getting a custom tune regardless , but have heard good things about the Kenne Bell tunes.
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Old 12-16-2010, 12:57 PM   #17
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Re: Any GT500 owners running an upgraded S/C?

wow theres some serious hwpw in this thread lol
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Old 02-24-2011, 10:49 AM   #18
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Ordered my 2.8 LC Kenne Bell kit today, looking forward to the install. I will create a build thread and keep everyone posted as to the progress.
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Old 02-24-2011, 12:07 PM   #19
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Re: Any GT500 owners running an upgraded S/C?

sounds good, take many pictures and all that. If you really want you can take tons of pics and write a how to and we can host it as an article.
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Old 02-24-2011, 01:09 PM   #20
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Re: Any GT500 owners running an upgraded S/C?

Good choice on a blower - should be a beast when you get it done.

Still gonna be hard to get traction with all those ponies. I am looking forward to your build thread. Very nice mustangs by the way.

The small torque dents that I spoke of in an earlier post was something that I may have not even noticed, but having read on another forum of this happening to a bunch of our cars, I looked for that specific area. Knowing a body man here in town, he told me how to get the dents out with the back side of a spoon from the trunk area and it worked perfectly. Hopefully you will never see that, as it does not happen to all mustangs. Suspension upgrades is definately a must with your soon to be boatload of extra horsepower.

The AFCO dual fan heat exchanger that you mentioned also is an awesome piece. My IAT2 temps went way down when I put that unit in mine compared to even the AFCO unit without fans. The IAT2 temps only get about 30 degress past IAT temps with this unit even sitting in traffic. Its amazing that after driving my car around, I can instantly open the fluid resevior because it never gets hot like the radiator fluid. This will make a big difference in HP for you as well keeping the computer from pulling timing because of heat. The fans sound cool also, like you got a little something something under your hood.
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Old 02-24-2011, 02:15 PM   #21
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Re: Any GT500 owners running an upgraded S/C?

I am doing a fairly comprehensive build on my 2009 GT500:
• 2.8LC Kenne Bell with 3.25” Pulley
• AFCO Dual Pass Heat Exchanger w/Dual 10" Fans
• DSS 3.5” Aluminum One-Piece Drive Shaft
• 3:73 Gears
• Steeda Sport Lowering Springs
• Steeda Adjustable Upper Control Arm
• Steeda Billet Rear Lower Control Arms
• Ford Racing Diff Girdle

Everything is currently either ordered or currently sitting in my garage. There may be the odd other mod here or there but for the most part, rubber not included, I'm set for the season.

Thanks for all your help everyone.
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Old 02-25-2011, 05:28 AM   #22
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the Kenne Bell S/C are awesome, but you have to notch the hood brace for them to fit.

I'm running a whipple 2.9L upgrade (18lbs)
Dual 66mm L&M TB
Whipple CAI
"the tank" upgraded intercooler/rad tanks
3.73s
Ford racing short throw shifter
J&M upper/lower control arms w relocation brackets
Borla cat back
Jon Lund tune

I'm just shy of 700rwhp on a conservative tune.
With full exhaust, afco dual fan heat exchanger, Shelby radiator, and some 72lb injectors...I'd be well over.
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