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What is this/do i need it?

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Old Jul 8, 2006 | 07:51 PM
  #1  
Borsty's Avatar
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From: Eden, NY
Car: 89 Trans am
Engine: TBI 350 HO Vortec heads
Transmission: 700R4
What is this/do i need it?



i know where it goes and what that is for, but is it an important element to the brake booster vac system? can i just replace it with a hose if its not?

thanks
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Old Jul 9, 2006 | 12:01 PM
  #2  
flaming-ford's Avatar
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From: Ohio, near columbus
Car: 89 iroc-z
Engine: 305tpi
Transmission: wc-t5
Axle/Gears: 10 bolt 3.08 posi (4 now)
i always wondered what that thing did......
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Old Jul 9, 2006 | 05:15 PM
  #3  
Borsty's Avatar
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From: Eden, NY
Car: 89 Trans am
Engine: TBI 350 HO Vortec heads
Transmission: 700R4
me too lol
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Old Jul 9, 2006 | 08:29 PM
  #4  
sofakingdom's Avatar
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
It's a check valve.

If you like stopping reliably, you need it.

The rest of us, that have to share the road with you and whose lives depend on your ability to stop, would appreciate it if it was there.
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Old Jul 10, 2006 | 12:41 PM
  #5  
84z28350's Avatar
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Joined: Aug 2005
Posts: 3,004
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From: Yellowknife, NWT, Canada
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
I broke mine...

Been stopping fine for the last 2 years without it, though i guess i should replace it one day...
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Old Jul 11, 2006 | 02:48 AM
  #6  
bingo's Avatar
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From: AL,USA
Car: 1990 Formula
Engine: 95 LT1
Transmission: T56
Axle/Gears: Weak 7.5 with 4.10s
Why don't the TPI cars have one?
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Old Jul 11, 2006 | 09:58 AM
  #7  
6SPEED84Z28's Avatar
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From: Shelby Twp., MI
Car: 84 Z28 / 91 Trans Am
Engine: LS1 / 5.0 TPI
Transmission: T56 / 700R4
Axle/Gears: 4.09 / 2.73
it is actually a filter to keep fuel vapor from the booster you only really need it on carb cars.
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