V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

3.1 airpump delete, what belt?

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Old Jun 9, 2016 | 03:36 PM
  #1  
broke91firebird's Avatar
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From: pardeeville, wi
Car: 1991 Pontiac Firebird convertible
Engine: 3.1 soon to be 3.4/3100
Transmission: 700r4
Axle/Gears: original gears, for now
3.1 airpump delete, what belt?

What serpentine belt part number did you use after deleting your air pump? The no-a/c belt is way way to long
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Old Jun 10, 2016 | 12:36 AM
  #2  
broke91firebird's Avatar
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Joined: Mar 2013
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From: pardeeville, wi
Car: 1991 Pontiac Firebird convertible
Engine: 3.1 soon to be 3.4/3100
Transmission: 700r4
Axle/Gears: original gears, for now
Re: 3.1 airpump delete, what belt?

Never mind



I figured it out.
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Old Jun 10, 2016 | 02:06 AM
  #3  
project89's Avatar
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: 3.1 airpump delete, what belt?

should just be the stock 2.8 belt as they dont have air pumps
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Old Jun 10, 2016 | 10:59 AM
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From: Waterford, MI
Car: 1998 Camaro Z28
Engine: 6.0L
Transmission: 4L60E
Axle/Gears: 3.73
Re: 3.1 airpump delete, what belt?

2.8s did have an option for an air pump, I pulled mine off when I got it (1988)
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Old Jun 10, 2016 | 11:54 AM
  #5  
project89's Avatar
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: 3.1 airpump delete, what belt?

Originally Posted by drdave88
2.8s did have an option for an air pump, I pulled mine off when I got it (1988)


thinking about it now my 2.8 had an idler pulley in the air pump location
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