What X heads are these?
#2719293
11/25/19 08:21 PM
11/25/19 08:21 PM
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Joined: Mar 2007
Posts: 2,230 restos just aren't my thing
gtsuperbee
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I bought a small block engine and at first I thought it had X heads on it. Now, after looking at the couple pics I took, the center exhaust port isn't configured like I normally see. So what did I get? If nothing else, I am going to pick it up next weekend, and I will be able to pull a valve cover and get a number
Last edited by gtsuperbee; 11/25/19 08:27 PM.
Restoring a car to look "only" as good as the factory made it is like getting a boob job for your wife and having the doctor make them two different sizes to seem more natural
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Re: What X heads are these?
[Re: gtsuperbee]
#2719302
11/25/19 08:49 PM
11/25/19 08:49 PM
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Joined: Jan 2003
Posts: 14,492 So. Burlington, Vt.
fast68plymouth
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Not much to go by in those pics, and I haven’t too much in the way of the “-3” engines....... but I’m gonna guess that it’s something along those lines....... as in HD or MH.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: What X heads are these?
[Re: RTSrunner]
#2719307
11/25/19 09:00 PM
11/25/19 09:00 PM
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Joined: Jan 2003
Posts: 14,492 So. Burlington, Vt.
fast68plymouth
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I am........ or some sort of industrial head.
Like I said, I know there’s quite a few different ones, and I’ve hardly seen any of them.
The Indy heads have magnum looking ex ports(all also have dual bolt pattern I believe), along with the ends of the heads.
Last edited by fast68plymouth; 11/25/19 09:05 PM.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: What X heads are these?
[Re: RTSrunner]
#2719308
11/25/19 09:01 PM
11/25/19 09:01 PM
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Joined: Mar 2007
Posts: 2,230 restos just aren't my thing
gtsuperbee
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The x head ports I know look like this
Restoring a car to look "only" as good as the factory made it is like getting a boob job for your wife and having the doctor make them two different sizes to seem more natural
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Re: What X heads are these?
[Re: gtsuperbee]
#2719314
11/25/19 09:15 PM
11/25/19 09:15 PM
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Joined: Jan 2003
Posts: 14,492 So. Burlington, Vt.
fast68plymouth
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Only pic I could find:
318-3
What the OP bought could easily be a Chrysler Marine engine too. Those things used lots of unique parts.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: What X heads are these?
[Re: RTSrunner]
#2719359
11/26/19 01:30 AM
11/26/19 01:30 AM
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Joined: Jan 2003
Posts: 6,135 Melbourne , Australia
LA360
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Those heads don't look like anything cast in the 60's or 70's
They would be something aftermarket or asomething Mopar Performance
Alan Jones
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Re: What X heads are these?
[Re: AndyF]
#2719401
11/26/19 10:10 AM
11/26/19 10:10 AM
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Joined: Nov 2003
Posts: 5,160 Texas
dannysbee
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I had a friend that showed me a set of heads like this. He told me they were early nascar heads. I guess the fore runner to the W-2 heads?
Last edited by dannysbee; 11/26/19 02:33 PM.
Getting old just means you were smarter than some and luckier than others.
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Re: What X heads are these?
[Re: dannysbee]
#2720294
11/29/19 05:55 PM
11/29/19 05:55 PM
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Joined: Mar 2007
Posts: 2,230 restos just aren't my thing
gtsuperbee
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got it home. Here are the pics
Restoring a car to look "only" as good as the factory made it is like getting a boob job for your wife and having the doctor make them two different sizes to seem more natural
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Re: What X heads are these?
[Re: gtsuperbee]
#2720304
11/29/19 06:10 PM
11/29/19 06:10 PM
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Joined: Jan 2003
Posts: 14,492 So. Burlington, Vt.
fast68plymouth
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Looks like a rare find on those heads. Pretty cool!
The only reference I see has them listed as “340 Trans Am”. They do require the offset intake rockers.
Perhaps some sort of DC T/A performance or replacement head.
Looks like someone has already done a little bowl work.
After looking at the pics a little more....... the stands look “too tall” compared to the valve length, especially considering there would need to be blocks added on top of the stands. If they are in fact some sort of pre-W2 style head..... they may also be intended to be used with longer valves, like the original W2’s.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: What X heads are these?
[Re: greendart408]
#2720400
11/30/19 10:00 AM
11/30/19 10:00 AM
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Joined: Jan 2003
Posts: 5,894 Florida
Locomotion
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To me, the intake pushrod holes DO look offset because they are not tucked against the intake port where the "bump" is. Coincidentally, the cast number "304" is right under the 305 cubic inch limit of the Trans Am series!
What are the dates and casting numbers on the block? "TA" ? Webbing round the main caps? Crank/stroke?
Direct Connection pre-W-2 is a good theory because the exhaust ports are raised, like a W-2, just squarish rather than D=port.
Anybody know anyone who worked with Bob Mullin? (Spelling?)
Last edited by Locomotion; 11/30/19 10:20 AM.
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Re: What X heads are these?
[Re: Locomotion]
#2720403
11/30/19 10:15 AM
11/30/19 10:15 AM
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Joined: Aug 2019
Posts: 9,400 Super Spudsville
Mr PotatoHead
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Yea, them are real t/a race heads, maybe a bit modified. Ive a pic of a pallot of them being prepped IIRC by Keith Black, but not fully sure if that was the guy or who did it but the heads share a good resemblance.
Id not be shocked if you were to find a short stroke crank if the builder went that far. Im surprised some of you older guys didnt comment on the head bolt brand.
GReat score, please post more pics.
STOP POTATO HATE!
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