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

aluminum heads for 2.8 v6

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Old Jun 24, 2011 | 06:12 PM
  #1  
mikeal8208's Avatar
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From: south eastern MN
Car: 1991 camaro RS
Engine: 3.4-3500 hybrid + Vortech V1 S-trim
Transmission: 700r4
Axle/Gears: 4.11 soon
aluminum heads for 2.8 v6

Looking to cut weight and add cfm per cylinder before I put the money into porting and polishing a set I misewell start with the best I can... I know it probably means using a fwd top end but im not afraid of some fabricating... what vehicle to take the top end off of would be a great help...
thanks again, Mike
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Old Jun 24, 2011 | 06:33 PM
  #2  
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: aluminum heads for 2.8 v6

ur forgetting that with the blower u will have to change out the pistons as well

besides that just look in the jy for anything with a late model 3400 ,3500 is out unless u start with a 3.4


what u have now is cheap with the blower, i say get it running as is and enjoy it ,and build a second motor on the side
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Old Jun 24, 2011 | 10:40 PM
  #3  
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Car: 1973 Datsun 240Z/ 1985 S-15 Jimmy
Engine: Turbo LX9/To be decided
Transmission: 5-speed/T-5
Axle/Gears: R200 3.90/7.5" 3.73
Re: aluminum heads for 2.8 v6

3400 heads will fit on the 2.8/3.1 block, it's the 3500 heads that require the bore of the 3.4 block.

Any '96+ 3400, or 2000+ 3100 will have the top end you desire.
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Old Jun 24, 2011 | 10:41 PM
  #4  
Six_Shooter's Avatar
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20 Year Member
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Joined: Mar 2006
Posts: 4,370
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Car: 1973 Datsun 240Z/ 1985 S-15 Jimmy
Engine: Turbo LX9/To be decided
Transmission: 5-speed/T-5
Axle/Gears: R200 3.90/7.5" 3.73
Re: aluminum heads for 2.8 v6

3400 heads will fit on the 2.8/3.1 block, it's the 3500 heads that require the bore of the 3.4 block.

Any '96+ 3400, or 2000+ 3100 will have the top end you desire.
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Old Jun 25, 2011 | 11:38 PM
  #5  
mikeal8208's Avatar
Thread Starter
Junior Member
 
Joined: May 2008
Posts: 87
Likes: 0
From: south eastern MN
Car: 1991 camaro RS
Engine: 3.4-3500 hybrid + Vortech V1 S-trim
Transmission: 700r4
Axle/Gears: 4.11 soon
Re: aluminum heads for 2.8 v6

I think ill start building a 3.4 and make it use the blower and the aluminum heads ill put up pictures as I go
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