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Oct 15, 2002 | 11:49 PM

BitchinRS

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Joined: Jul 2001

Posts: 904

Likes: 1

From: Modesto, CA USA

Heads

Can the Gen III heads be used on the 3.1L?

Oct 16, 2002 | 05:37 AM

Project: 85 2.8 bird

Supreme Member

Joined: Jul 2001

Posts: 4,461

Likes: 0

From: BFE, MD

Car: 13 Ram 1500/ 78 Formy

Engine: 5.7 / 7.4

Transmission: 6sp / TH350

Axle/Gears: 3.55 posi / 3.23

no, no, and no.
ref: gmpp catalog. $6

Oct 16, 2002 | 09:14 PM

BitchinRS

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Joined: Jul 2001

Posts: 904

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From: Modesto, CA USA

Bad thing is that I did. The information was spoty and inconclusive at best.

What prevents them from being used?

Oct 17, 2002 | 08:32 AM

MDv6man

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Joined: Dec 2001

Posts: 1,282

Likes: 1

From: Elkton MD USA

Car: 1983, 1986

Engine: 2.8 2bbl, 2.8 MPFI

Transmission: 200C 3 speed, 700R4

Axle/Gears: 3.08, 3.42

Quote:

Originally posted by BitchinRS
What prevents them from being used?

The positioning of the valves and combustion chamber design will have the valves hitting the piston. Also, the intake ports are not siamesed as they are on our cars-- they are equally spaced.

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