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GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

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Old 04-08-2008, 10:17 AM   #1
cartel
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Default GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

Has anyone done a Shelby GT500 Twin 65mm Throttle Body Upgrade on there GT? Noticed any difference? How is you gas mileage now?

http://www.rpmoutlet.com/05gtbbk.htm
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Old 04-08-2008, 10:26 AM   #2
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

Dont buy it bro, your car doesnt need it... save your coin
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Old 04-08-2008, 10:28 AM   #3
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

May I ask why you said that? Do you have one?
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Old 04-08-2008, 10:38 AM   #4
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

there are many post regarding the trouble of tuning the TB
also there are many threads about how RPMoutlet messed over people

if you do a TB then first you need to have done all of your other N/A mods (CAI, CMCD, Headers, full exhaust, cams, ect)
as in near stock form it won't benefit from the TB much if any and the headache on getting a good TB tune might not be worth it

1. save the TB for last
2. Don't order from RPMoutlet
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Old 04-08-2008, 10:53 AM   #5
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

i have heard a few guys on here say that the GT500 is the only one that they would buy, and some of them have it on their N/A GT.
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Old 04-08-2008, 11:01 AM   #6
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

TB's only play a decent role when you have a FI engine. Otherwise the little gain you might see is not worth the headache or money. And actually the GT500 TB is a F150 TB. Youll still need to have an adaptor to make it fit your GT, but when and if I do one for myself, this would be the route I would take. Its been tested and tried by the factory.
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Old 04-08-2008, 11:17 AM   #7
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

I think the thing that got me was that the inlet tube adapter was $150. Add that to the cost of the TB and I didn't think that it was a reasonable cost for the "advertised" HP gain. IMO
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Old 04-08-2008, 11:34 AM   #8
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

even if you have FI you wont see much gains for it. couple guys are saying a few HP or nothing. Not worth the money
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Old 04-08-2008, 11:35 AM   #9
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

JDM makes this exact kit and has had it for over a year not for 400 total i think....i got the setup for 225 and never had any problems......cant say i felt any real gains either with JUST THAT added to the car....remember that all mods can build on others though, so if you have CMDP, LTs, CAI/Tune....you will probably get some gains with it
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Old 04-08-2008, 12:48 PM   #10
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

GMS (Granatelli) also has a twin 62mm TB. Don't know if this is the same one or not.
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Old 04-08-2008, 02:08 PM   #11
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

For NA cars they dont help at all, for FI cars only if they run 12+ psi it "might" work a bit, but for the money, i'd get a single blade TB that is prooven to work much better with high HP aplications.
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Old 04-08-2008, 02:19 PM   #12
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

If you have F/I the TB will benefit you because it will allow more air. There were issues with some t/b installs but I atttribute some of that to diy installers not getting the spring set right, because there are alot of people who have them and never had any problems. JMO
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Old 04-08-2008, 03:58 PM   #13
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

Ok Guys, I must say thanks alot......But I'm not a profesional Mechanic, and some of your abreviations are killing me...lol...What the heck is a FI Engine? CMCD? CMDP? and LTs?......Geeshhhh

TB=Throttle Body
CAI=Cold Air Intake
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Old 04-08-2008, 04:00 PM   #14
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

Quote:
ORIGINAL: cartel

Ok Guys, I must say thanks alot......But I'm not a profesional Mechanic, and some of your abreviations are killing me...lol...What the heck is a FI Engine? CMCD? CMDP? and LTs?......Geeshhhh

TB=Throttle Body
CAI=Cold Air Intake
FI = Forced Induction: Turbocharged, supercharged.
CMDP = Charge Motion Delete Plates.
LT = Long Tube headers.
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Old 04-08-2008, 05:01 PM   #15
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

Quote:
ORIGINAL: acascianelli
Quote:
ORIGINAL: cartel
Ok Guys, I must say thanks alot......But I'm not a profesional Mechanic, and some of your abreviations are killing me...lol...What the heck is a FI Engine? CMCD? CMDP? and LTs?......Geeshhhh

TB=Throttle Body
CAI=Cold Air Intake
FI = Forced Induction: Turbocharged, supercharged.
CMDP = Charge Motion Delete Plates.
LT = Long Tube headers.
thats nothing check this out
http://www.mustangforums.com/m_4556104/tm.htm
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Old 04-08-2008, 05:38 PM   #16
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

There is a TB offered by Adam at ST motorsports that flow 1600cfm and is a monoblade. Modaddict and sawyer can tell you more about that but seems to be the only worth while upgrade after 15psi on a TS S/C as the S/C itself (whipple) seem that the blower can move more air than the TB itself and that is the weak point! JMO but do not buy at this time! J
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Old 04-08-2008, 05:57 PM   #17
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

The setup Adam sells is a monoblade Black Diamond. It comes in two flavors: 1600 CFM and 2000 CFM (overkill)
Adam has some custom intake manifolds\intake kitsfor the KB in which he has adapted this throttle body upgrade to their manifold and he also hasthe TBsfitting Whipples where he moves the intake to the Bumper Kenne Bell style. I think the KB setup is like 1400 including the TB, manifold and intake tube. You send him your core after the manifold change.
I am doing this upgrade soon.
I dont know the price for the Whipple but I have talked to Adam at length about this setup for th KB.
The Black Diamond TB wont just bolt up toany intakefor most twin-screws oreven thestock plastic manifold. Adam at ST did a lot of fabrication to create these packages for his customers.
Kenne Bell is releasing theirgiant throttle body and mammoth air intake in a just few weeks. This will be available for 2.6 and 2.8 KBs and will be about 2000 dollars for the whole upgrade.
Jim Bell usually does some nice engineering on his stuff!
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Old 04-08-2008, 06:13 PM   #18
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Default RE: GT500 Twin 65mm Throttle Body Upgrade to your GT, anyone?

keep you green, until you make that machine real mean!!!!!!!!! otherwise, mostly problems,,,,fwih
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Old 04-19-2014, 03:47 AM   #19
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So would the BBK 07-09 65MM GT500 Throttle Body work with my setup on my 4.6L with the Ford Racing High Performance Manifold?
I got a GT500 Airaid CAI, Comp Cams, Comp. LT Hooker headers, O/R X pipe, ST3 Hi flow CNC Ported Trick Flow Heads, and a Stroker kit soon. I plan on makeing a N/A beast
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Old 04-19-2014, 06:40 AM   #20
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Quote:
Originally Posted by NativeAmericanMuscle View Post
So would the BBK 07-09 65MM GT500 Throttle Body work with my setup on my 4.6L with the Ford Racing High Performance Manifold?
I got a GT500 Airaid CAI, Comp Cams, Comp. LT Hooker headers, O/R X pipe, ST3 Hi flow CNC Ported Trick Flow Heads, and a Stroker kit soon. I plan on makeing a N/A beast
Wow, a 6 y/o thread resurrected!

Even with your mods, the GT500 TB would not provide any useful gains. The stock TB can handle more flow than a mildly modded engine can use. Would it hurt? No, but I don't think the gain (if any) justifies the expense and, on occasion, trouble.
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Old 04-19-2014, 06:40 AM
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