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Old 03-27-2013, 12:13 PM
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Alternator brackets for 4.3 Chevy w/carb

I've got a 1994 4.3 V6 Chevy that I'm carburating with a 4 bbl manifold from a 1985-6 GM truck. It has the long water pump and the manifold was originally for a quadrajet. Does anyone have a picture of how they set up the alternator or what GM brackets might fit? Thanks, Tom.
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Old 03-27-2013, 01:42 PM
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wow looks great what did you use for front suspension ?
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Old 03-27-2013, 07:54 PM
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Look into 69 and later SBC with alternator mounted on pass side. You should be able to use the stock type brackets and pullrys with little modification.
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Old 03-28-2013, 03:42 AM
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The stock alternator (I would probably use a 94 amp 12si) has pivot bolt that mounts on the bottom and bolts into the block. Then on top there is a wide, curved bracket that mounts into the hole on top of the intake and to the front of the water pump. The upper bolt on the alternator bolts to that bracket to keep tension on the V-belt. You should be able to get the brackets from the junkyard off an SBC of that vintage.

I can take a picture of the setup on my SBC if you need it.

Bruce
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Old 03-28-2013, 07:53 AM
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Bruce, Thanks for the reply. That will get me pointed in the right direction. If you do get the time, a picture would help a lot. Thanks again, Tom.
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Old 03-28-2013, 08:01 AM
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Jeepfan1974: I used a Fat Mans stage 2 front suspension. It fits well and I cut 1 coil out of the springs. I was able to fab transmission and motor mounts without cutting the frame X-member by using a 2004R transmission with the 4.3 Chevy V6. The stock radiator will fit as well. The rear is from a 1994 Chevy Blazer, which required moving the spring pads slightly. PM me if you have anymore questions. I live in Vicksburg, MI. Thanks, Tom.
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Old 04-14-2013, 04:55 PM
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Why not just use a serpentine system from any early 90's small block or 4.3?
I installed Vortec heads and a marine single plane intake with Quadrajet on my 4.3 in my 92 chevy pickup and I just reused the serpentine system.
Since your not using A/C you can get a pulley that bolts to the A/C compressors place. Same with power steering. If your worried about the looks of a serpentine I had both aluminum brackets blasted so they look new, then clear coated them so they always look good.
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Old 04-15-2013, 08:45 AM
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Double Vision, Thanks. I wound up making a bracket that bolts to the passenger side of the block and used that in conjuction with half of a bracket system I bought from Summit for $15. It should work fine. I should have used the serpentine brackets, but I sold all that last fall to get garage space. Thanks to all who helped me with this. Tom
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