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  #13  
Old 06-01-2009, 12:12 PM
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Re: Throttle Body for 5.7

I couldn't really gauge the correct gas mileage because my foot was always pressing the pedal to the floor lol.My butt dyno definitly felt a soild power change because with a CAI and exhaust I had the TB just added to the fun.
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  #14  
Old 06-01-2009, 10:29 PM
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Re: Throttle Body for 5.7

From what my buddy says on his 6.1...... it's the poo. Huge throttle response difference. Not sure what it will be like on the 5.7's but, it's been a good thing for the SRT's. It WILL BE my next mod. Hopefully I should have one next week if all goes to plan.
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  #15  
Old 06-01-2009, 10:38 PM
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Re: Throttle Body for 5.7

Can any one hook me up with a 70mm throttle body for my 4 liter?

I'm having a really hard time finding anything over 63mm which isn't much of an improvement over the stock 60mm.
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Old 06-01-2009, 10:53 PM
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Re: Throttle Body for 5.7

Dylan,You don't have a supercharger or any force induction so why would you want something so big,I think the Fastman's 62MM is more than enough.His TB are true bore with maxinum air flow,you get the best for a great guy that knows his stuff!

http://www.thefastman.com/Throttlebodies40.asp
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  #17  
Old 06-01-2009, 11:44 PM
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Re: Throttle Body for 5.7

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Originally Posted by TeamCherokee06 View Post
Dylan,You don't have a supercharger or any force induction so why would you want something so big,I think the Fastman's 62MM is more than enough.His TB are true bore with maxinum air flow,you get the best for a great guy that knows his stuff!

http://www.thefastman.com/Throttlebodies40.asp
b/c I hear you get a lot more power with a bigger throttle body even on a stock motor and oh idk I might turbo mine.
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  #18  
Old 06-01-2009, 11:53 PM
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Re: Throttle Body for 5.7

are the srt/ hemi ones still going for about a grand?
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Old 06-01-2009, 11:59 PM
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Re: Throttle Body for 5.7

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Originally Posted by Dylans3960ccs View Post
b/c I hear you get a lot more power with a bigger throttle body even on a stock motor and oh idk I might turbo mine.
I think that a 70MM bore is going to be overkill and it's gonna suck in to much air and your going to lose lower end torque.I'd go with the 62MM and most free flowing cold air intake you can buy or make and get the thing as far from the motor and that will give and good combo.
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  #20  
Old 06-02-2009, 12:09 AM
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Re: Throttle Body for 5.7

Ok fine I guess your right over kill FTL

well are there at least some decient cams for the 4 liter?
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  #21  
Old 06-02-2009, 12:12 AM
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Re: Throttle Body for 5.7

If you saw my XJ thread,I might be owning a 4.0L and I will learn and be able to help you more.Your learning Dylan and becoming a better Jeeper,just listen(or read lol) and learn!
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  #22  
Old 06-02-2009, 12:14 AM
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Re: Throttle Body for 5.7

ok thanks I guess I'll just do some more searching ( which I have not done in a long time).
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  #23  
Old 06-08-2009, 08:53 PM
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Re: Throttle Body for 5.7

Quote:
Originally Posted by TheBackRoads View Post
are the srt/ hemi ones still going for about a grand?
That's for the Arrington 90mm. Personally, I think it's overkill for a mildly modd'd SRT. If you're running like a Stage 3 or 4 heads/cam package with a P/P Intake manifold THEN I can see it making sense. They're a PITA to tune.
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  #24  
Old 10-01-2012, 04:09 PM
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Re: Throttle Body for 5.7

shophemi.com has the full SRT Intake Manifold + Fuel Rails + Injectors + Throttle Body for $1500 if I read that correctly. What a deal-I wonder how much power that makes. Add the SRT Cam and some headers and go race in stealth mode-then tell the SRT to take it off road and race there!
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