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

air,no air

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Old Nov 30, 2010 | 10:05 PM
  #1  
Bobby Suth's Avatar
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From: tn.
Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
Transmission: auto,auto
Axle/Gears: 273?277
air,no air

Is there such a thing as an air deleat for a v6?I got a Motor that is missing the air compressor,Didn't know if they even could be set up without one because everyone i've sean has factory air.
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Old Nov 30, 2010 | 10:35 PM
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From: Jacksonville FL
Car: 1988 camaro
Engine: cammed 3.1
Transmission: 700r4
Axle/Gears: 10 bolt 3.42
Re: air,no air

There were factory a/c delete car's. Do you have the A/c switch in the car? Is there an idler pulley where the compressor would be? they could have just used a shorter belt and rerouted it to make it work
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Old Nov 30, 2010 | 11:28 PM
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Bobby Suth's Avatar
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From: tn.
Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
Transmission: auto,auto
Axle/Gears: 273?277
Re: air,no air

thats not it.this motor is supposed to have a ac compressor,they took it off and probly sold it.then gave it to me with out it in a trade deal.now I got to fix the hole they left with another compressor or a deleat pulley or if I can a shorter belt,I want to know what can I do to fix this hole these cheats left me?any help would be apresheated
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Old Dec 1, 2010 | 02:54 PM
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From: Oklahoma City
Car: 1991 Firebird
Engine: 3.1L +bolt ons
Transmission: 700R4
Axle/Gears: Moser forged, 3.73, SLP posi
Re: air,no air

All 3 options are available to ya.
You can buy a cheap ac delete pulley on ebay. The TPI ones fit our engines. I've had one for over a year now with no issues. I think it was $30 shipped.

Or, check the classifieds and see if someone is selling a compressor. The weight reduction crowd sell them in there quite often.....

Or, be a cheapo and take a string to measure out a new belt layout. Then measure the string, and go to a auto parts store and get a XX.X inch belt.
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Old Dec 1, 2010 | 03:39 PM
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Re: air,no air

That's cool, didn't know that (about the TPI delete pulley fitting)! Bobby I went on autozone.com, put in your 90 Firebird, clicked on External Engine, then clicked on Belt, and they list a belt for both AC and non-AC cars. So you might not even have to measure anything! Just go there and tell them you don't have a/c.

Plus if I remember correctly (I don't have serpentine, but I wish I did), there should be a sticker under the hood by the latch, or on top of the radiator, that shows a different belt routing for non-ac cars, where it just skips past the a/c compressor.

Did you buy the car without test driving it, or was the a/c compressor on there for the test drive and then missing when you bought it?
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Old Dec 1, 2010 | 04:05 PM
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Re: air,no air

Why would you buy a pulley when the factory setup doesn't include one on A/C delete cars?
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Old Dec 1, 2010 | 05:21 PM
  #7  
Bobby Suth's Avatar
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From: tn.
Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
Transmission: auto,auto
Axle/Gears: 273?277
Re: air,no air

I

Last edited by Bobby Suth; Dec 3, 2010 at 05:29 PM. Reason: Sorry I said to much
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Old Dec 1, 2010 | 05:22 PM
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From: tn.
Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
Transmission: auto,auto
Axle/Gears: 273?277
Re: air,no air

I won't buy one if it's not needed
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Old Dec 1, 2010 | 06:05 PM
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Re: air,no air

If you want A/C it is needed, if you don't want A/C buy a serp belt for a non-AC car and call it good.
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Old Dec 1, 2010 | 09:56 PM
  #10  
Bobby Suth's Avatar
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From: tn.
Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
Transmission: auto,auto
Axle/Gears: 273?277
Re: air,no air

got the belt at auto zone 16.99,plus tax.I will keep the ac type belt and we can use it later if we get the compressor,otherwise it will be a backup for the 90 firebird with 3.1. this swap is going into a 86 bird that lost its motor.some older guy was going to put a 350 with manual tranny and cut the exsaust manifolds off,sold the heads,through the injectors and runners in a pan with nuts and bolts and left them to rot in the rain.The body is good,interior fair with wear on cloth seats.she's a hard top base model.has the rear louver.the factory am,fm,casset player that still sounds good.even the antena.all glass is good,electric windows work great.rear hatch motor is dead.missmatching tires,so i'm looking for a set of nice 15in.stock wheels
Attached Thumbnails air,no air-pdc_0478.jpg   air,no air-pdc_0470.jpg   air,no air-pdc_0479.jpg  
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Old Dec 2, 2010 | 02:24 PM
  #11  
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Re: air,no air

Looks good, can't beat an '86 Firebird For the hatch motor, do a search on here for a guy named "lonsal", he owns http://www.top-downsolutions.com/ and makes/sells hatch motor parts & rebuild kits (and sells ones that are already rebuilt).
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Old Dec 2, 2010 | 10:44 PM
  #12  
Bobby Suth's Avatar
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From: tn.
Car: 1990 firebird,1989 Iroc z,1986 fire
Engine: 3.1lt,5.7tpi,3.1mpfi
Transmission: auto,auto
Axle/Gears: 273?277
Re: air,no air

ok,What happens if I try to run this 3.1 without the MAP sensor?

Last edited by Bobby Suth; Dec 3, 2010 at 05:27 PM. Reason: Said more than I needed to.
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Old Dec 2, 2010 | 11:05 PM
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Re: air,no air

No MAP = no run. You need a MAP sensor.
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