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2.8 V6 proformance

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Old Apr 13, 2007 | 02:14 AM
  #1  
Friguy's Avatar
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From: S.California
Car: 1989 Pontiac Firebird
Engine: Multiport 2.8L V6
Transmission: 700r4 with Shiftkit
Axle/Gears: All Stock
2.8 V6 proformance

Ok I know a 2.8 V6 moter aint awhole lot, but I was wondering are there turbos for these types of moters and other proformance parts?

I have a 1989 firebird. and I want to gain some HP on that small engine.

and maybe a better trans, because mine slips.
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Old Jun 29, 2010 | 10:28 PM
  #2  
1st91firebird's Avatar
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Car: 1991 firebird
Engine: 3.1 v6
Re: 2.8 V6 proformance

i hear u there.i have a 3.1 v6 and i wont more hp and tq,b ut i dont no of any proformance parts thaty will give me that and a nice sound.
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Old Jun 29, 2010 | 10:29 PM
  #3  
1st91firebird's Avatar
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Car: 1991 firebird
Engine: 3.1 v6
Re: 2.8 V6 proformance

[quote=1st91firebird;4594833]i hear u there.i have a 3.1 v6 and i wont more hp and tq,b ut i dont no of any proformance parts thaty will give me that and a nice sound.its a 91 firebird.
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Old Jun 29, 2010 | 10:40 PM
  #4  
ASE doc's Avatar
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From: Aurora, OR
Car: 87 IROC Z28
Engine: 355 cid TPI
Transmission: Custom Built 700R4 w/3,500 stall
Axle/Gears: QP fab 9" 3.70 Truetrac
Re: 2.8 V6 proformance

To all the above. I am in full support of loving what you have and even of playing with it a little to get more power. But seriously guys. Do you have any idea how easy it is to swap in a V8? Your V6 chassis is no different than my IROC chassis. Just swap in V8 springs and youll be fine.

As far as the V6s youre talking about go, the 2.8 is a grenade already. You definitely dont want to make it rev higher. And with so few cubes, revving higher is the only way it will make more power.

The 3.1 was an update of the 2.8. Slightly more durable, but still a tiny motor. Why spend money building either. Small block chevys are cheap and plentiful. HP parts for small blocks are cheap and everyone makes them.

Dudes, if you want to build power, start with a V8.
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Old Jun 29, 2010 | 11:26 PM
  #5  
1st91firebird's Avatar
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Car: 1991 firebird
Engine: 3.1 v6
Re: 2.8 V6 proformance

thanks ill go look in a few junk yards and find a v8 motor and trans and then rebuild them both
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Old Jun 30, 2010 | 12:16 AM
  #6  
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: 2.8 V6 proformance

https://www.thirdgen.org/forums/powe...y-3-4l-v6.html

look there i just built the turbo kit on that car and i also have my own turbo charged 3.1 look in the v6 section there is lots of info on doing it
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Old Jul 3, 2010 | 12:50 PM
  #7  
Vandal's Avatar
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Re: 2.8 V6 proformance

Another good site to check up on is fiero.nl. The Fiero came with the same engine so there are tons of info on power adders there. Also, if you want to replace the engine and keep it looking stock, you can swap in a 3.4 from a 4th gen. Same engine block a week end project that will get you 20hp and there is a guy named truleo who makes a HUGE intake plenum for it or the 2.8. Great product. I've dinked around on Fieros for years but needed more room for kids. Great info and people over there. Good luck
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Old Jul 12, 2010 | 10:28 AM
  #8  
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From: Ogden UT
Car: '88 Camaro (Gone...)
Re: 2.8 V6 proformance

Originally Posted by ASE doc
To all the above. I am in full support of loving what you have and even of playing with it a little to get more power. But seriously guys. Do you have any idea how easy it is to swap in a V8? Your V6 chassis is no different than my IROC chassis. Just swap in V8 springs and youll be fine.
No offense man, but that is false.
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Old Jul 12, 2010 | 12:20 PM
  #9  
built91Z28's Avatar
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Joined: Feb 2010
Posts: 1,446
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From: Orlando
Car: 1991 Camaro Z28
Engine: 357, Canfield heads, solid roller,
Transmission: Upgraded 03 Cobra T56
Axle/Gears: 9" 3.50 gears and Detroit Locker
Re: 2.8 V6 proformance

I agree with ASE. And for anyone who thinks they can build a turbo system for a car, and basic motor swap should be easy. I use to be a V6 guy. I had a 96 Firebird with the 3.8 I was all about building it to show the V8 guys what the V6 can do. Then, luckly before I spent any real money, I woke up and realized it was a waste. I then got the Camaro I have now and never looked back.
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Old Jul 14, 2010 | 10:29 PM
  #10  
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From: right behind you
Car: '85 maro
Engine: In the works...
Transmission: TH700 R4
Axle/Gears: 3.73 posi
Re: 2.8 V6 proformance

I cringe whenever I hear claims about the 2.8 being a grenade. I've been trying to destroy mine and so far it hasn't happened. https://www.thirdgen.org/forums/v6/5...vastation.html
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Old Jul 24, 2010 | 04:24 PM
  #11  
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Posts: 2,023
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From: Evansville, IN
Car: 1992 Camaro RS 25th Anniversary
Engine: 3.4L v6 with a t3/t4 Turbo
Transmission: T-5 Conversion
Axle/Gears: 3.23 SLP Limited Slip
Re: 2.8 V6 proformance

Originally Posted by ASE doc
To all the above. I am in full support of loving what you have and even of playing with it a little to get more power. But seriously guys. Do you have any idea how easy it is to swap in a V8? Your V6 chassis is no different than my IROC chassis. Just swap in V8 springs and youll be fine.

As far as the V6s youre talking about go, the 2.8 is a grenade already. You definitely dont want to make it rev higher. And with so few cubes, revving higher is the only way it will make more power.

The 3.1 was an update of the 2.8. Slightly more durable, but still a tiny motor. Why spend money building either. Small block chevys are cheap and plentiful. HP parts for small blocks are cheap and everyone makes them.

Dudes, if you want to build power, start with a V8.
you obviously know nothing about v6s, you would need a transmission as well, oh and an ecm if your not going carb...etc

you can make power with a v6 is it easy...no, but if thats a route someone wants to go then dont bash on them

they dont blow up nearly as easy as you think, 7000rpms is no problem. starting with a 2.8 is the hard way but it is possible

Last edited by Pillsbry10; Jul 24, 2010 at 04:29 PM.
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