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400 SMALL BLOCK!!? #1213877
04/10/12 11:14 PM
04/10/12 11:14 PM
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NY
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MoparGary7272 Offline OP
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My boss is trying to sell me what he swears is a 73 ish mopar 400 small block... Is there such a thing? Told me They were in cube vans during the fuel crisis in the 70s.... Before I throw 500 bucks down on this im questioning the existence of this powerful motor... Second if its real...will it bolt in my 72 duster

Re: 400 SMALL BLOCK!!? [Re: MoparGary7272] #1213878
04/10/12 11:18 PM
04/10/12 11:18 PM
Joined: Nov 2011
Posts: 2,154
Its a TRAP!
DARTH V8Я Offline
Oh No!! I just had a moron attack!
DARTH V8Я  Offline
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Its a TRAP!
Just Chevy 400 small blocks.


When it takes more than a sweet mullet to prove you rule at the trailer park..
Re: 400 SMALL BLOCK!!? [Re: DARTH V8Я] #1213879
04/10/12 11:26 PM
04/10/12 11:26 PM
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NY
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MoparGary7272 Offline OP
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That's what I told him...but even his Mopar guru dad says its a Chesley 400 small block..rare motors.... There's one on you tube on a dyno but i'm still nor convinced its real

Re: 400 SMALL BLOCK!!? [Re: MoparGary7272] #1213880
04/10/12 11:40 PM
04/10/12 11:40 PM
Joined: Apr 2007
Posts: 905
SD
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zrxkawboy Offline
super stock
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super stock
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SD
I've never heard of such an animal.


It's Swifty! Swifty, you toad sucker!
Re: 400 SMALL BLOCK!!? [Re: zrxkawboy] #1213881
04/10/12 11:44 PM
04/10/12 11:44 PM
Joined: Jan 2003
Posts: 32,930
Grand Prairie,Texas
stumpy Offline
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Grand Prairie,Texas
What are the numbers cast into the side of the block?

Re: 400 SMALL BLOCK!!? [Re: stumpy] #1213882
04/11/12 01:22 AM
04/11/12 01:22 AM
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Kalispell Mt.
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HotRodDave Offline
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Kalispell Mt.
yeah no magic decoder ring needed like a SBC to figure out what it is and no factory built 400 SB mopars.


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: 400 SMALL BLOCK!!? [Re: HotRodDave] #1213883
04/11/12 01:32 AM
04/11/12 01:32 AM
Joined: Jun 2005
Posts: 310
western Ky
CraigS Offline
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If the distributors on the front ,its a big block.
distributor on back its a 360,probably.
put a 4 inch stroker crank in it and it will be a 400

Re: 400 SMALL BLOCK!!? [Re: MoparGary7272] #1213884
04/11/12 11:10 AM
04/11/12 11:10 AM
Joined: Apr 2005
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Kelowna, B.C. Canada
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DPelletier Offline
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Kelowna, B.C. Canada
There is no factory LA 400 cu in engine. I sold autoparts for many years and there wasn't one catalogue (yes, we used catalogues back then!) that showed such an engine.



Dave


1970 Super Bee 440 Six Pack 1974 'Cuda 2008 Ram 3500 Diesel 2006 Ram 3500 Diesel 2004.5 Ram 2500 Diesel 2003 Ram 3500 Diesel 2006 Durango Limited [url] http://1970superbee.piczo.com [/url]
Re: 400 SMALL BLOCK!!? [Re: DPelletier] #1213885
04/11/12 12:37 PM
04/11/12 12:37 PM
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dogdays Offline
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Yeah, this really is a no-brainer. If it's a MOPAR 400 it's a B engine and to all but the truly illiterate it's a bigblock. The '73-ish timing tells me it's the 400 that was introduced about 1972 model year.
That being said, you can do many wonderful things with a 400 either with stock 3.38 stroke or with increased stroke out as far as 4.25".
If it was my situation I'd go for a 408 smallblock stroker in an A-body. But a really nice low mileage 400 would be tempting.....And with aluminum heads it'd weigh the same as a smallblock.

R.

Last edited by dogdays; 04/11/12 12:39 PM.
Re: 400 SMALL BLOCK!!? [Re: dogdays] #1213886
04/11/12 01:28 PM
04/11/12 01:28 PM
Joined: Apr 2005
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Kelowna, B.C. Canada
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DPelletier Offline
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Quote:

Yeah, this really is a no-brainer. If it's a MOPAR 400 it's a B engine and to all but the truly illiterate it's a bigblock. The '73-ish timing tells me it's the 400 that was introduced about 1972 model year.
That being said, you can do many wonderful things with a 400 either with stock 3.38 stroke or with increased stroke out as far as 4.25".
If it was my situation I'd go for a 408 smallblock stroker in an A-body. But a really nice low mileage 400 would be tempting.....And with aluminum heads it'd weigh the same as a smallblock.

R.




I've always wished someone would do a comprehensive weigh in of a "lightened" B and RB vs. a stock LA. My guess is that with headers, aluminum intake and heads and you'd be there.

Dave


1970 Super Bee 440 Six Pack 1974 'Cuda 2008 Ram 3500 Diesel 2006 Ram 3500 Diesel 2004.5 Ram 2500 Diesel 2003 Ram 3500 Diesel 2006 Durango Limited [url] http://1970superbee.piczo.com [/url]
Re: 400 SMALL BLOCK!!? [Re: DPelletier] #1213887
04/11/12 02:30 PM
04/11/12 02:30 PM
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Posts: 99
NY
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MoparGary7272 Offline OP
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Still my boss insists its sb 400......i keep arguing with him its not a Mopar engine.....aaaaand now he tells me its got rebuilt ford heads on it....he said the F word..... THE F WORD!.....i need to stick with finding a 340 or 360 with Trans....having a though time finding a running combo in ny

Re: 400 SMALL BLOCK!!? [Re: MoparGary7272] #1213888
04/11/12 02:36 PM
04/11/12 02:36 PM
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
70Cuda383 Offline
Too Many Posts
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Marysville, O-H-I-O
are you just betting him it's not a small block? or are you thinking of buying it off him?

if it's a bet, have him take you to look at it. bring a smart phone with you so you can google the casting numbers and show him what it is. either it's a small block that MAYBE somebody rebuilt with a stroker crank and told him it was a 400" small block, or it's a stock stroke B-block.


**Photobucket sucks**
Re: 400 SMALL BLOCK!!? [Re: MoparGary7272] #1213889
04/11/12 02:37 PM
04/11/12 02:37 PM
Joined: Jun 2005
Posts: 310
western Ky
CraigS Offline
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western Ky
thats good.A chevy 400 with rebuilt ford heads!!!wow they must have glued them on.

Re: 400 SMALL BLOCK!!? [Re: CraigS] #1213890
04/11/12 02:49 PM
04/11/12 02:49 PM
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NY
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MoparGary7272 Offline OP
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told him if there was such a thing id buy it from him... ..aaaaaahhhhh its a 360 bored out amc motor?.....with 429 heads.... Sounds weird

Re: 400 SMALL BLOCK!!? [Re: 70Cuda383] #1213891
04/11/12 03:57 PM
04/11/12 03:57 PM
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NY
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MoparGary7272 Offline OP
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I'll keep everyone posted and take pictures when I go see it....its coming out of a79 ram with a727 behind it...

Re: 400 SMALL BLOCK!!? [Re: MoparGary7272] #1213892
04/11/12 04:18 PM
04/11/12 04:18 PM
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dogdays Offline
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Can't wait!
R.

Re: 400 SMALL BLOCK!!? [Re: MoparGary7272] #1213893
04/11/12 04:42 PM
04/11/12 04:42 PM
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Pangaea
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Quote:

told him if there was such a thing id buy it from him... ..aaaaaahhhhh its a 360 bored out amc motor?.....with 429 heads.... Sounds weird




You know, , there was an aluminum block 3.7L 4 cylinder motor that used a Ford 429 head. But a 429 head on an AMC?

If the motor is coming out of a '79 Ram, it's a 318 or 360.
'78 was the last year for the Big Block Mopar (except in motorhomes).

Re: 400 SMALL BLOCK!!? [Re: B5 Bee] #1213894
04/11/12 05:10 PM
04/11/12 05:10 PM
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Posts: 99
NY
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MoparGary7272 Offline OP
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The motor original came out of a73ish dodge cube van then he got it built up and now sits in a79 ram...according to him he's going to blow all of us Mopar gurus out of the water lol...he says it's stamped 400 right on it and distributor is in the back

Re: 400 SMALL BLOCK!!? [Re: B5 Bee] #1213895
04/11/12 05:13 PM
04/11/12 05:13 PM
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Posts: 371
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Russ H. Offline
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Sounds to me like there's some stroking going here but not to an engine. Ford heads on a mopar block.....shezzzzzzz

Re: 400 SMALL BLOCK!!? [Re: Russ H.] #1213896
04/11/12 05:17 PM
04/11/12 05:17 PM
Joined: Jan 2003
Posts: 32,930
Grand Prairie,Texas
stumpy Offline
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Posts: 32,930
Grand Prairie,Texas
Again the numbers cast into the side of the block will tell the tale.

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