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Re: Mystery block (to me at least)
[Re: WO23Coronet]
#1710270
12/14/14 01:36 AM
12/14/14 01:36 AM
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Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR
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Quote:
With that late of casting date it sounds like it's one of the last 383's made, OR it's a warranty block and they just used a 400 block and bored it to 383 specs, neat piece though
This is not the first time this has come up , the fact that it doesn't have a VIN points to a replacement block, without paperwork to back it up np saying what is going on in there .
OP , what is the SPD of the car ?
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Re: Mystery block (to me at least)
[Re: JohnRR]
#1710271
12/14/14 02:05 AM
12/14/14 02:05 AM
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Joined: Oct 2012
Posts: 35
Northern NJ
67440dodge
OP
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OP
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Joined: Oct 2012
Posts: 35
Northern NJ
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Quote:
This is not the first time this has come up , the fact that it doesn't have a VIN points to a replacement block, without paperwork to back it up np saying what is going on in there .
OP , what is the SPD of the car ?
Don't know.. the guy sold the car the same time he sold me the motor and moved south. It's been sitting under my bench for 8 months and just started to check it out.
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Re: Mystery block (to me at least)
[Re: 67440dodge]
#1710272
12/14/14 02:36 AM
12/14/14 02:36 AM
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Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR
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Quote:
Quote:
This is not the first time this has come up , the fact that it doesn't have a VIN points to a replacement block, without paperwork to back it up np saying what is going on in there .
OP , what is the SPD of the car ?
Don't know.. the guy sold the car the same time he sold me the motor and moved south. It's been sitting under my bench for 8 months and just started to check it out.
then it doesn't really matter I guess . It would have been a very late build car , like last week of production to get a 230 based 383 and only because there was no more 383 castings left to use. More than likely a warranty replacement block , couldn't have been the original or else the guy wouldn't have sold the car without it ???
Anyway at .060 it would need to be sonic checked before boring larger , at stock bore it would have been a nice block to build a 383 based race motor , assuming the bores were not core shifted bad , thick bores say rounder under power.
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Re: Mystery block (to me at least)
[Re: JohnRR]
#1710273
12/14/14 02:59 AM
12/14/14 02:59 AM
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Joined: Oct 2012
Posts: 35
Northern NJ
67440dodge
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Northern NJ
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Quote:
then it doesn't really matter I guess . It would have been a very late build car , like last week of production to get a 230 based 383 and only because there was no more 383 castings left to use. More than likely a warranty replacement block , couldn't have been the original or else the guy wouldn't have sold the car without it ???
Anyway at .060 it would need to be sonic checked before boring larger , at stock bore it would have been a nice block to build a 383 based race motor , assuming the bores were not core shifted bad , thick bores say rounder under power.
He put a 440/6 in the car, and intended on selling the 383 with the car to keep them together. But whoever purchased it didn't want the 383, so I bought it from him.
It's more a curiousity thing, had never heard of a block with a lower displacement than what the casting number said it was..
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Re: Mystery block (to me at least)
[Re: cudaman1969]
#1710276
12/15/14 09:29 PM
12/15/14 09:29 PM
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Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR
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Quote:
A 400 block is standard at 4.32. It is not a warrenty block, no way would they go to the trouble to sleave it back to 4.31. A sonic check would tell how thick the walls are. My guess is its a industrial block(they are the best blocks for strength) that started out at 4.25 bore and can go to 4.375 like the 400.
A 400 block is standard at 4.342 , that's nice and thick where it is , but if he wants to bore it out it would be best to have it sonic checked , I had a 230 block that needs 2 sleeves because of core shift to go out to 4.375
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Re: Mystery block (to me at least)
[Re: JohnRR]
#1710277
12/16/14 01:56 AM
12/16/14 01:56 AM
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Joined: Oct 2012
Posts: 35
Northern NJ
67440dodge
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Northern NJ
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The motor was freshly built when I bought it. Said he changed his mind after it as built and had a 440/6 done and put it in.
Wish I had a sonic tester, love to see how thick the walls really are.
Last edited by 67440dodge; 12/16/14 01:57 AM.
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Re: Mystery block (to me at least)
[Re: 67440dodge]
#1710278
12/16/14 02:12 AM
12/16/14 02:12 AM
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Joined: Feb 2009
Posts: 892
Illinois
StrkrDart69
super stock
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super stock
Joined: Feb 2009
Posts: 892
Illinois
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Quote:
The motor was freshly built when I bought it. Said he changed his mind after it as built and had a 440/6 done and put it in.
Wish I had a sonic tester, love to see how thick the walls really are.
Dont ask questions until you have done your homework.
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Re: Mystery block (to me at least)
[Re: StrkrDart69]
#1710279
12/16/14 12:41 PM
12/16/14 12:41 PM
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Joined: Oct 2006
Posts: 200
South Coast of Oregon
dweller
enthusiast
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enthusiast
Joined: Oct 2006
Posts: 200
South Coast of Oregon
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Quote:
Quote:
The motor was freshly built when I bought it. Said he changed his mind after it as built and had a 440/6 done and put it in.
Wish I had a sonic tester, love to see how thick the walls really are.
Dont ask questions until you have done your homework.
Go back into your hole. Nothing wrong with the post or the discussion.
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Re: Mystery block (to me at least)
[Re: dweller]
#1710280
12/16/14 05:40 PM
12/16/14 05:40 PM
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Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
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Quote:
Quote:
Quote:
The motor was freshly built when I bought it. Said he changed his mind after it as built and had a 440/6 done and put it in.
Wish I had a sonic tester, love to see how thick the walls really are.
Dont ask questions until you have done your homework.
Go back into your hole. Nothing wrong with the post or the discussion.
Huh ??
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Re: Mystery block (to me at least)
[Re: 67440dodge]
#1710281
12/16/14 05:43 PM
12/16/14 05:43 PM
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Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR
I Win
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I Win
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Quote:
The motor was freshly built when I bought it. Said he changed his mind after it as built and had a 440/6 done and put it in.
Wish I had a sonic tester, love to see how thick the walls really are.
What are the pistons , 2315 ? they will be about .015 in the hole , but the block appears to have been decked already , which is why that ID pad is blank.
The only downside to those pistons are the lack of valve reliefs .
I would just run it as it until something causes you to have to take it apart.
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Re: Mystery block (to me at least)
[Re: JohnRR]
#1710282
12/16/14 10:12 PM
12/16/14 10:12 PM
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Joined: Jan 2004
Posts: 8,274
fredericksburg,va
cudaman1969
master
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Joined: Jan 2004
Posts: 8,274
fredericksburg,va
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Quote:
Quote:
A 400 block is standard at 4.32. It is not a warrenty block, no way would they go to the trouble to sleave it back to 4.31. A sonic check would tell how thick the walls are. My guess is its a industrial block(they are the best blocks for strength) that started out at 4.25 bore and can go to 4.375 like the 400.
A 400 block is standard at 4.342 , that's nice and thick where it is , but if he wants to bore it out it would be best to have it sonic checked , I had a 230 block that needs 2 sleeves because of core shift to go out to 4.375
Sorry for the mistake on bore size,thinking one thing typed another.
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Re: Mystery block (to me at least)
[Re: JohnRR]
#1710283
12/17/14 02:10 AM
12/17/14 02:10 AM
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Joined: Oct 2012
Posts: 35
Northern NJ
67440dodge
OP
member
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OP
member
Joined: Oct 2012
Posts: 35
Northern NJ
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Quote:
Quote:
The motor was freshly built when I bought it. Said he changed his mind after it as built and had a 440/6 done and put it in.
Wish I had a sonic tester, love to see how thick the walls really are.
What are the pistons , 2315 ? they will be about .015 in the hole , but the block appears to have been decked already , which is why that ID pad is blank.
The only downside to those pistons are the lack of valve reliefs .
I would just run it as it until something causes you to have to take it apart.
yea.. 2315's are in it. The cam that came with it isn't too crazy (Comp XE-274), so no valve reliefs shouldn't be a problem.
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Re: Mystery block (to me at least)
[Re: 67440dodge]
#1710284
12/17/14 02:33 AM
12/17/14 02:33 AM
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Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,020
U.S.S.A.
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Quote:
Quote:
Quote:
The motor was freshly built when I bought it. Said he changed his mind after it as built and had a 440/6 done and put it in.
Wish I had a sonic tester, love to see how thick the walls really are.
What are the pistons , 2315 ? they will be about .015 in the hole , but the block appears to have been decked already , which is why that ID pad is blank.
The only downside to those pistons are the lack of valve reliefs .
I would just run it as it until something causes you to have to take it apart.
yea.. 2315's are in it. The cam that came with it isn't too crazy (Comp XE-274), so no valve reliefs shouldn't be a problem.
Should be a good base engine, and closer to 400 cubes vs. 383. What heads are you using ?
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Re: Mystery block (to me at least)
[Re: JohnRR]
#1710285
12/17/14 07:27 AM
12/17/14 07:27 AM
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Joined: Oct 2012
Posts: 35
Northern NJ
67440dodge
OP
member
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OP
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Joined: Oct 2012
Posts: 35
Northern NJ
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Quote:
Should be a good base engine, and closer to 400 cubes vs. 383. What heads are you using ?
Plan right now is to go with 75CC Eddy's. The 452's that came with it are paperweights unfortunately.
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Re: Mystery block (to me at least)
[Re: 67440dodge]
#1710286
12/17/14 12:56 PM
12/17/14 12:56 PM
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Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR
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Quote:
Quote:
Should be a good base engine, and closer to 400 cubes vs. 383. What heads are you using ?
Plan right now is to go with 75CC Eddy's. The 452's that came with it are paperweights unfortunately.
Good choice , so many people blindly go with open chamber heads because they think they were good because they came on 6 pk engines ... 
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