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Old 03-17-2009, 09:00 PM
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Vortec heads on 76 chevy 350

Hey guys, I am in need of some quick help. I found a good deal on some vortec heads but I need to let the person know by tomorrow night whether or not I want them. My question is, will I be able to use the same brackets from my 76 alternator and a/c? The alternator mounts on the passengers side of the truck. I am aware of the need for a special intake so I do not need any opinions on that. I am also planning on changing the cam to better suit the flow of the heads. But what I am most concerned about right now is the mounting of my original brackets, alternator, and a/c. Please help me asap. Thanks in advance everyone.

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Old 03-17-2009, 09:33 PM
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Yup, it all swaps over. Accessory bolt holes are in the same place. Do it.
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Old 03-17-2009, 09:35 PM
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Ok Curtis, so there will be no compatability problems whatsoever? Honestly, that and coming up with $230 by tomorrow are the only limiting factors right now.
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Old 03-17-2009, 09:39 PM
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Nope.. done it several times. The only thing you might encounter is I think some of the vortec heads are tapped with metric threads. So instead of mounting your brackets with the old 3/8" bolts you might have to buy some 12mm instead, but the holes are in the same place and everything bolts right up.

I've done one where I put old accessories on vortec heads, and I've done a few where I put a Vortec serpentine drive on an older engine.
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Old 03-17-2009, 09:45 PM
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That's great. I was really worried after I got my hopes up about getting it. I was told by Brian over at TBI chips that with the vortec heads and the cam I want to use, I can expect about 320-350 hp with the throttle body that I have swapped on the motor.
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Old 03-17-2009, 09:47 PM
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Nice... go get 'em
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Old 03-17-2009, 09:53 PM
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Thanks for your immediate help Curtis. It is greatly appreciated. Also, I know you helped me with my tbi conversion idle problem. Just thought that I would let you know that I have pretty much narrowed it down to fuel pressure. As soon as spring break is over and I get back to the college, I will install a fuel pressure regulator at about 14.25 psi.
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Old 03-18-2009, 12:32 AM
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Always glad to help, and even happier when I actually give helpful advice
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