Re: 400 230 block
[Re: rebel]
#1831325
05/21/15 10:12 AM
05/21/15 10:12 AM
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Joined: Jul 2010
Posts: 1,845 Tampa
DusterDave
top fuel
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top fuel
Joined: Jul 2010
Posts: 1,845
Tampa
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I've never heard of it, but I'm no expert on the subject, either. Have you seen the block? Do you know the casting number on the side of the block, and the casting date? Are there any numbers/symbols stamped on the machined pad by the distributor hole? Have you personally measured the bores?
Gone to the dark side with an LS3 powered '57 Chevy 210
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Re: 400 230 block
[Re: rebel]
#1831449
05/21/15 02:26 PM
05/21/15 02:26 PM
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Joined: Aug 2003
Posts: 43,007 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
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Dave Wren was ask by Mopar to run a 1971 Cuda 383 in SS/I and SS/H that the drag team had developed for SS to race agianst the 350 Chevy Camaro, it was a unbored 400 block according to him bored to 383 specs. He removed all casting numbers and casting marks on it so he wouldn't get bounce for having the wrong block in that car. Joe Alread was given a 1972 RR for a magazine car project that ended up being a rocket ship also I have heard the 230 casting storyies in some late 1971 383 cars also Daves race motor was bored .060 to 4.310 for that project, it was a rocket ship
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 400 230 block
[Re: rebel]
#1831537
05/21/15 04:26 PM
05/21/15 04:26 PM
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Joined: Aug 2003
Posts: 8,716 Baltimore/Denver
64Post
master
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master
Joined: Aug 2003
Posts: 8,716
Baltimore/Denver
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i'm looking to buy a 400 block that is a 230 casting. this block is a 4.25 bore like a 383 block. this part is confusing me as i've never heard of a 383 bore sized 230 block. i'm told by the seller it's a special Super Stock block from back in the day. any body here know anything about this type of thing? if you do can you enlighten me please? I've heard of those blocks before. I believe it was more a model year crossover and warranty thing than anything special. Let me guess, since the seller states this a "special" block it has a premium price attached to it? You live in Straya, right? Can't be cheap getting a block there. If I were you I'd insist any block you buy be sonic checked first, unless you don't mind paying shipping fees for junk.
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Re: 400 230 block
[Re: 64Post]
#1831971
05/22/15 06:37 AM
05/22/15 06:37 AM
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Joined: Dec 2006
Posts: 4,647 aotearoa
rebel
OP
master
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OP
master
Joined: Dec 2006
Posts: 4,647
aotearoa
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i'm looking to buy a 400 block that is a 230 casting. this block is a 4.25 bore like a 383 block. this part is confusing me as i've never heard of a 383 bore sized 230 block. i'm told by the seller it's a special Super Stock block from back in the day. any body here know anything about this type of thing? if you do can you enlighten me please? I've heard of those blocks before. I believe it was more a model year crossover and warranty thing than anything special. Let me guess, since the seller states this a "special" block it has a premium price attached to it? You live in Straya, right? Can't be cheap getting a block there. If I were you I'd insist any block you buy be sonic checked first, unless you don't mind paying shipping fees for junk. no i'm not in Straya but just across the ditch. it costs more to ship an engine across the US than it does to get from Ca. to NZ. i can't find any information regarding 383 230 blocks & i'm hoping one of the renown engine guys can help. i'm in serious need of a good 400 block if you know of any. Reb.
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Re: 400 230 block
[Re: rebel]
#1832037
05/22/15 10:54 AM
05/22/15 10:54 AM
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Joined: Jan 2003
Posts: 74,907 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 74,907
U.S.S.A.
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i'm looking to buy a 400 block that is a 230 casting. this block is a 4.25 bore like a 383 block. this part is confusing me as i've never heard of a 383 bore sized 230 block. i'm told by the seller it's a special Super Stock block from back in the day. any body here know anything about this type of thing? if you do can you enlighten me please? I've heard of those blocks before. I believe it was more a model year crossover and warranty thing than anything special. Let me guess, since the seller states this a "special" block it has a premium price attached to it? You live in Straya, right? Can't be cheap getting a block there. If I were you I'd insist any block you buy be sonic checked first, unless you don't mind paying shipping fees for junk. no i'm not in Straya but just across the ditch. it costs more to ship an engine across the US than it does to get from Ca. to NZ. i can't find any information regarding 383 230 blocks & i'm hoping one of the renown engine guys can help. i'm in serious need of a good 400 block if you know of any. Reb. The 383 230 block is the same block as the 400 230 block , it just has a smaller bore. When the blocks are cast the bore is undersize to begin with .
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Re: 400 230 block
[Re: rebel]
#1832501
05/22/15 10:22 PM
05/22/15 10:22 PM
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Joined: Jan 2003
Posts: 6,221 JERSEY
RJS
master
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master
Joined: Jan 2003
Posts: 6,221
JERSEY
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I'm building my stroker from one of the early block as we speak. I took my original from my car and put it under the bench since it was a later block without the extra beef. Ron
Last edited by RJS; 05/22/15 10:29 PM.
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Re: 400 230 block
[Re: RJS]
#1832508
05/22/15 10:34 PM
05/22/15 10:34 PM
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Joined: Jan 2012
Posts: 1,541 USA
hudsonhornet7x
pro stock
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pro stock
Joined: Jan 2012
Posts: 1,541
USA
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I'm building my stroker from one of the early block as we speak. I took my original from my car and put it under the bench since it was a later block without the extra beef. Ron I own one of these blocks, but it would need several sleeves. Is it worth it?
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Re: 400 230 block
[Re: hudsonhornet7x]
#1832653
05/23/15 03:08 AM
05/23/15 03:08 AM
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Joined: Aug 2003
Posts: 43,007 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
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My pump gas Duster motor was a 1976 630 400 block that ended up needing four sleeves, head gasket blew out between #4 and #6 and tore the deck up between them needing to be repaired and sleeved, # 7 and # 1 cylinders where rust pitted bad enough the only way to save them was with two sleeves. That was the only 400 block I could find at that time so I had 4 ductile iron sleeves put in and ran the dog doodoo out of that motor, reringed once and like it a lot Make sure and have the sleeves installed before boring the other cylinders
Last edited by Cab_Burge; 05/23/15 03:09 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 400 230 block
[Re: RJS]
#1832655
05/23/15 03:13 AM
05/23/15 03:13 AM
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Joined: Aug 2003
Posts: 8,716 Baltimore/Denver
64Post
master
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master
Joined: Aug 2003
Posts: 8,716
Baltimore/Denver
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I'm building my stroker from one of the early block as we speak. I took my original from my car and put it under the bench since it was a later block without the extra beef. Ron Somebody help me out here as it's been a while since I owned one of these blocks, and I don't want to spread misinformation. I seem to remember the early 230 blocks having small font and the later version large font. The description in the attachment has it the other way around. Which is correct? JohnRR?
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Re: 400 230 block
[Re: hudsonhornet7x]
#1832658
05/23/15 03:18 AM
05/23/15 03:18 AM
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Joined: Aug 2003
Posts: 8,716 Baltimore/Denver
64Post
master
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master
Joined: Aug 2003
Posts: 8,716
Baltimore/Denver
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I'm building my stroker from one of the early block as we speak. I took my original from my car and put it under the bench since it was a later block without the extra beef. Ron I own one of these blocks, but it would need several sleeves. Is it worth it? FWIW, the local Hemi legend sleeves all 8 cylinders -- on purpose. Nothing wrong with sleeves.
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Re: 400 230 block
[Re: 64Post]
#1832680
05/23/15 08:11 AM
05/23/15 08:11 AM
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Joined: Jan 2003
Posts: 6,221 JERSEY
RJS
master
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master
Joined: Jan 2003
Posts: 6,221
JERSEY
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I'm building my stroker from one of the early block as we speak. I took my original from my car and put it under the bench since it was a later block without the extra beef. Ron Somebody help me out here as it's been a while since I owned one of these blocks, and I don't want to spread misinformation. I seem to remember the early 230 blocks having small font and the later version large font. The description in the attachment has it the other way around. Which is correct? JohnRR? The info in my post is the only way I have ever seen it, Large font on the early thick blocks (my stroker is cast 6-28-71) Small font on the later blocks (my original engine is cast Jan or Feb. of 72) Ron
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