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

HF DOHC swap

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Old Jan 5, 2008 | 01:35 AM
  #1  
avro206's Avatar
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From: Calgary
Car: 89 Formula
Engine: 350
Transmission: TH 700R4
Axle/Gears: 3.27
HF DOHC swap

Anyone ever think of putting a 2.8L DOHC/3.6L from a CTS/STS in a V6 Firebird/Camaro?



Lots of fabricating I guess but it sure be neat to go a new route
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Old Jan 5, 2008 | 09:13 AM
  #2  
KrisW's Avatar
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From: Casselberry, FLA
Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
Re: HF DOHC swap

If you do it, take lots of pictures!!
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Old Jan 6, 2008 | 08:29 AM
  #3  
ohiotemplar's Avatar
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Joined: Sep 2007
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From: Lancaster, Ohio
Car: 1992 Camaro RS V6
Engine: 3.1 V6 MFI
Transmission: 700R4
Axle/Gears: 3.23 stock
Re: HF DOHC swap

That would be awsome. I love the DOHC config and would take it any day over our crappy pushrod engines. Is this something you're doing or are you just curious about it? B/C if it turns out for you I'd be so into it.
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Old Jan 6, 2008 | 10:21 AM
  #4  
avro206's Avatar
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Joined: Dec 1999
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From: Calgary
Car: 89 Formula
Engine: 350
Transmission: TH 700R4
Axle/Gears: 3.27
Re: HF DOHC swap

just curious right now--there are a few things I want to finish on my Formula first. Also wondering if anyone else was going to do this or even thought about it.

I rented a CTS a few years ago and it had the 2.8L DOHC--rated at 210hp. While that motor is a litle small for a heavy CTS--a Firebird weighing 400lbs less would be alot better. Plus the engine sounded great.

Of course the 3.6L (maybe with the 2.8L engine cover) and DI 3.6L would really move.

I'd use the 5speed auto or 6 speed auto to go along with it too. Have a really modern drivetrain in an older car has always been interesting to me.

Last edited by avro206; Jan 6, 2008 at 10:24 AM.
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Old Jan 6, 2008 | 09:42 PM
  #5  
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Joined: Oct 2004
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From: Moberly Missouri
Car: 1985 Firebird
Engine: 3.1L (planning for a turbo)
Transmission: 700R4
Axle/Gears: 3.42
Re: HF DOHC swap

I'd like to get my hands on a saab turbo engine. they have a 2.8L DOHC thats 280 HP @5500RPM and 295TQ @ 2200RPM

That or i think it would be neat to have the turbo 2.0L I4 from the sky and solstice. drop it in a fiero though.
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