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Factory cross bolted 4 bolt main RB block
#1277961
08/01/12 10:12 PM
08/01/12 10:12 PM
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Joined: Nov 2003
Posts: 915
Cincinnati OH
Bishop
OP
super stock
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OP
super stock
Joined: Nov 2003
Posts: 915
Cincinnati OH
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I'm picking up my block from the shop tomorrow, its getting a cleaning been sitting in the trunk of a 64 Plymouth car for years. It looks like a cold weather block but it has NO casting dates or numbers It Has the mains just like a 426 Hemi 4 bolt crossbolted mains. It only has WT & V426 stamped on the engine ID pad it is slightly smaller than 4.25 bore, I don't think it ever was finished honed or ever had a dowel pin in the block. Anyone ever seen one of these block before. The previous owner said it was a NASCAR block but the HEMI did so well they never put these into production. I'll post pictues tomorrow.
Brian
Last edited by Bishop; 08/02/12 10:25 PM.
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Re: Factory cross bolted 4 bolt main RB block
[Re: Bishop]
#1277966
08/02/12 10:36 PM
08/02/12 10:36 PM
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Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT
Management Trainee
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Management Trainee
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
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Interesting piece, I think the Nascar story may be spot on.... Waiting to hear from those who might know.....
"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
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Re: Factory cross bolted 4 bolt main RB block
[Re: 1_WILD_RT]
#1277969
08/03/12 01:00 AM
08/03/12 01:00 AM
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Joined: Dec 2005
Posts: 4,299
State of Fascism
52savoy
master
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master
Joined: Dec 2005
Posts: 4,299
State of Fascism
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Quote:
Interesting piece, I think the Nascar story may be spot on.... Waiting to hear from those who might know.....
It's been talked about before on Moparts.. NASCAR is the consensus from what I remember. In the 70's, when Hemis were on the way out Chrysler made up a batch of new 426 wedges. I believe there is information in the original mopar racing manual(white book). 
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Re: Factory cross bolted 4 bolt main RB block
[Re: Bishop]
#1277970
08/03/12 01:19 AM
08/03/12 01:19 AM
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Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms
Mr Wizzard
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Mr Wizzard
Joined: Jan 2003
Posts: 42,714
Spokane Washington
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WT = Water Tested Block V426 = 1964 Max Wedge Engine So.....It's definately not a newer casting, it's a 1964 piece. Yes, I've heard of them but never seen one, one of those "mythical" engines you hear about now and again. Nice to see one surface, maybe you could post some good clear pictures of all the casting numbers and stampings you can find? That would be great! As an aside the next question would be value? Tough to say because it's not really matched up to any particular car ever built, so while certainy cool, it's just a novelty.
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Re: Factory cross bolted 4 bolt main RB block
[Re: ScottSmith_Harms]
#1277971
08/03/12 01:45 AM
08/03/12 01:45 AM
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Joined: Dec 2005
Posts: 4,299
State of Fascism
52savoy
master
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master
Joined: Dec 2005
Posts: 4,299
State of Fascism
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Quote:
WT = Water Tested Block
V426 = 1964 Max Wedge Engine
So.....It's definately not a newer casting, it's a 1964 piece. Yes, I've heard of them but never seen one, one of those "mythical" engines you hear about now and again. Nice to see one surface, maybe you could post some good clear pictures of all the casting numbers and stampings you can find? That would be great!
As an aside the next question would be value? Tough to say because it's not really matched up to any particular car ever built, so while certainy cool, it's just a novelty.
Chrysler had a bulletin on how to set up a 426 wedge motor in NASCAR..around 1971-73ish since Hemis and other exotic engines were banned. I have some information on it and will try to remember to post a picture(s). I would guess this block is from that time period because of the webbing.
http://www.freewebs.com/danno340/kkd/71-72.html
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Re: Factory cross bolted 4 bolt main RB block
[Re: ScottSmith_Harms]
#1277973
08/03/12 02:32 AM
08/03/12 02:32 AM
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Joined: Jan 2003
Posts: 27,593
So Cal
autoxcuda
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,593
So Cal
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Quote:
WT = Water Tested Block
V426 = 1964 Max Wedge Engine
So.....It's definately not a newer casting, it's a 1964 piece. Yes, I've heard of them but never seen one, one of those "mythical" engines you hear about now and again. Nice to see one surface, maybe you could post some good clear pictures of all the casting numbers and stampings you can find? That would be great!
As an aside the next question would be value? Tough to say because it's not really matched up to any particular car ever built, so while certainy cool, it's just a novelty.
Do the casting features of that block correlate with other early 64 Hemi blocks?
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Re: Factory cross bolted 4 bolt main RB block
[Re: 1_WILD_RT]
#1277978
08/03/12 12:41 PM
08/03/12 12:41 PM
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Joined: Mar 2003
Posts: 4,848
Memphis
HemiRick
master
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master
Joined: Mar 2003
Posts: 4,848
Memphis
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Anybody else notice the head bolt bosses in the valley like a Hemi has? It seems to have a Hemi bolt pattern but no oil drain backs....weird.
Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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Re: Factory cross bolted 4 bolt main RB block
[Re: HemiRick]
#1277979
08/03/12 03:08 PM
08/03/12 03:08 PM
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Joined: May 2005
Posts: 6,446
NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Quote:
Anybody else notice the head bolt bosses in the valley like a Hemi has? It seems to have a Hemi bolt pattern but no oil drain backs....weird.
Not sure what you are seeing. The valley looks all B wedge to me. Interesting deal...I think I saw something like that over at Jerry Steins place.
MB
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I meant to post above that the stampings agree with your time frame but those are easier to change then cast features... But to complicate things being a special block they might have cast in features they were thinking of for future implementation... 
