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58 mm throttlebody

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Old Feb 3, 2013 | 01:51 PM
  #1  
APACHE JOHN's Avatar
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From: FARMINGTON AR
Car: 1991 Z28
Engine: 350 TPI RAMJET COMING
Transmission: T56
58 mm throttlebody

Is one brand better then another? I see professional products is cheapest. Anyone used one of theirs?
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Old Feb 3, 2013 | 08:17 PM
  #2  
ploegi's Avatar
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From: Adrian, Mi, USA
Car: 1988 Pontiac Firebird Formula
Engine: 5.7 TPI
Transmission: 700R4
Re: 58 mm throttlebody

Why do you need a TB that big? Gonna seriously compromise your tip-in performance off idle.
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Old Feb 4, 2013 | 08:19 PM
  #3  
APACHE JOHN's Avatar
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From: FARMINGTON AR
Car: 1991 Z28
Engine: 350 TPI RAMJET COMING
Transmission: T56
Re: 58 mm throttlebody

Mini-ram big cube......don't start the conservative crap. Got any real insight or just your two cents worth?
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Old Feb 4, 2013 | 09:08 PM
  #4  
TTOP350's Avatar
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: 58 mm throttlebody

I've never had "bad tip in" with any of them.
I know the BBK 58 makes a loud air sucking and whistling noise, atleast the 2 I had did.
Other than that, they all work about the same. Just pick the one you like the looks of and have at it.
Or look at the mono blade T-bodys. Thats what I run.
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Old Feb 5, 2013 | 02:18 AM
  #5  
z 28 jari's Avatar
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From: Finland
Car: 1985 Camaro Z-28
Engine: 385
Transmission: th700r4+Edge 2800 stall
Axle/Gears: 3.42
Re: 58 mm throttlebody

Originally Posted by APACHE JOHN
Is one brand better then another? I see professional products is cheapest. Anyone used one of theirs?
I have Professional products 58mm tb.No bad word to say.Been there three years now.
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