FS: Aluminum BB Chevy Heads
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Supreme Member
Joined: Jul 2000
Posts: 1,014
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From: Kempner,TX,
Car: 1996 Vette / 1992 GSX1100F Suzuki
Engine: 1996 Corvette Coupe 388 LT1 (+.060)
Transmission: Auto
Axle/Gears: 3.07
FS: Aluminum BB Chevy Heads
I've had these sitting around forever (over 15 years), always thinking I'd use them on another BB engine build. Now I've come to realize "it ain't gonna happen".
I ran these on a 468 street engine in a Trans Am back in the mid-80's to early 90s until the car had an unfortunate encounter with a railroad over-pass support.
NO! Neither the engine nor the heads was hurt.
These are open chamber (119 ccs) big port heads.
I had Manley Pro-Flow valves installed (2.19/1.88) and new guides before I bolted them to the 468.
Ports were worked by a guy in the Chicago area, whose name escapes me. The heads originally had round exhaust ports, but he converted them to 'D' port exhausts, since the thinking was the 'D's flow better.
These heads are sound; never over-heated, and the car they were in was my daily driver, so you can bet I maintained the engine. I had the spring pockets cut for 1.625 springs and the heads have cups. The springs are DEAD, though. Over fifteen years of sitting around had caused them to rust. The heads have all the rocker studs and pushrod guide plates.
I didn't get these new and I believe they've been down the quarter more than a few times. Some of you familar with early BB heads know the rock stud bosses were a weak link and these heads show evidence of that. A couple of stud bosses had apparently broken at one time or another but were welded up and reinforced. I never had any problem with these heads, no leakage, etc.
If it were me buying them, I'd have them cleaned, valve job and heli-coils checked, install new springs and clean the rocker studs and plates. They don't need surfacing. If memory serves, I ran Fel-Pro 8180 PT head gaskets.
Casting numbers 3946074.
$500 plus shipping and they're yours.
Jake
I ran these on a 468 street engine in a Trans Am back in the mid-80's to early 90s until the car had an unfortunate encounter with a railroad over-pass support.
NO! Neither the engine nor the heads was hurt.
These are open chamber (119 ccs) big port heads.
I had Manley Pro-Flow valves installed (2.19/1.88) and new guides before I bolted them to the 468.
Ports were worked by a guy in the Chicago area, whose name escapes me. The heads originally had round exhaust ports, but he converted them to 'D' port exhausts, since the thinking was the 'D's flow better.
These heads are sound; never over-heated, and the car they were in was my daily driver, so you can bet I maintained the engine. I had the spring pockets cut for 1.625 springs and the heads have cups. The springs are DEAD, though. Over fifteen years of sitting around had caused them to rust. The heads have all the rocker studs and pushrod guide plates.
I didn't get these new and I believe they've been down the quarter more than a few times. Some of you familar with early BB heads know the rock stud bosses were a weak link and these heads show evidence of that. A couple of stud bosses had apparently broken at one time or another but were welded up and reinforced. I never had any problem with these heads, no leakage, etc.
If it were me buying them, I'd have them cleaned, valve job and heli-coils checked, install new springs and clean the rocker studs and plates. They don't need surfacing. If memory serves, I ran Fel-Pro 8180 PT head gaskets.
Casting numbers 3946074.
$500 plus shipping and they're yours.
Jake
Thread Starter
Supreme Member
Joined: Jul 2000
Posts: 1,014
Likes: 0
From: Kempner,TX,
Car: 1996 Vette / 1992 GSX1100F Suzuki
Engine: 1996 Corvette Coupe 388 LT1 (+.060)
Transmission: Auto
Axle/Gears: 3.07
Re: FS: Aluminum BB Chevy Heads
I just posted 20 photos of the heads on Photobucket but I don't know how to post a link here so anyone who's interested can see them all. If you know how, let me know and I'll post the link to the pics on Photobucket.
Here's one though:

I'll take some really close-up shots of the welded stud locations and I'll post them tomorrow.
Jake
Thread Starter
Supreme Member
Joined: Jul 2000
Posts: 1,014
Likes: 0
From: Kempner,TX,
Car: 1996 Vette / 1992 GSX1100F Suzuki
Engine: 1996 Corvette Coupe 388 LT1 (+.060)
Transmission: Auto
Axle/Gears: 3.07
Re: FS: Aluminum BB Chevy Heads
I found one shot of a welded up stud boss.

This particular head has two, can't recall about the other one and I'm not at home right now. I'll check it and post the results here.
Jake

This particular head has two, can't recall about the other one and I'm not at home right now. I'll check it and post the results here.
Jake
Thread Starter
Supreme Member
Joined: Jul 2000
Posts: 1,014
Likes: 0
From: Kempner,TX,
Car: 1996 Vette / 1992 GSX1100F Suzuki
Engine: 1996 Corvette Coupe 388 LT1 (+.060)
Transmission: Auto
Axle/Gears: 3.07
Re: FS: Aluminum BB Chevy Heads
Here's a pic of the two welded-up stud bosses on this head.

Jake

Jake
Thread Starter
Supreme Member
Joined: Jul 2000
Posts: 1,014
Likes: 0
From: Kempner,TX,
Car: 1996 Vette / 1992 GSX1100F Suzuki
Engine: 1996 Corvette Coupe 388 LT1 (+.060)
Transmission: Auto
Axle/Gears: 3.07
Re: FS: Aluminum BB Chevy Heads
Here's a link to all 25 photos posted on Photobucket. The other heads does NOT have any repaired stud bosses. So it's just a total of TWO on only one head.
http://s140.photobucket.com/albums/r...CHEVY%20HEADS/
Jake
http://s140.photobucket.com/albums/r...CHEVY%20HEADS/
Jake
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