Re: 1974 400 B long block
[Re: Spode]
#545270
12/04/09 08:17 PM
12/04/09 08:17 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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thats way too much money. I just got a non running (74 actually) complete 400 eng for $150 (locally) and a bare 400 block for $60 (craigslist) & I was the only one who called. any year 400 will work fine & if sinking alot into it sonic checking is always a good idea. I'd definitely go BB as a stroked SB will have 408 cubes and this is a small BB cubewise. Granted it will handle better & an easier fit & the rotating assy might be a bit lighter but I think a 451 or a 470 B will make you MUCH happier for your time/money.
live every 24 hour block of time like it's your last day on earth
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Re: 1974 400 B long block
[Re: RapidRobert]
#545271
12/04/09 09:44 PM
12/04/09 09:44 PM
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Joined: Aug 2005
Posts: 4,861
Riverside, Ca
R70RUNNER
master
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master
Joined: Aug 2005
Posts: 4,861
Riverside, Ca
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Hummm  You'll notice the responses are from WAY outta the So Cal area. You can still find 400 blocks here but they're not common or cheap. FWIW. I paid less than that for a '73 400 block shipped from back east (from a Moparts member) after my local search failed for my 451 build. Most common explanation for our drought was the oil companies buying 70's cars for pollution credits in the mid 80's if you're old enough to remember. Bottom line, you can find a better price, I'm sure. Just may not be tomorrow... Have you ask the local Mopar guys if they have any leads? Happy hunting 
Current cars: 2000 Dak Quad Cab, 2012 Challenger,1970 Road Runner, 1994 Firehawk
1966 Coronet post sedan, 1988 Corvette, 2005 Magnum RT all SOLD
R70RUNNER<---VP Inland Empire Chapter of the MPM
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Re: 1974 400 B long block
[Re: R70RUNNER]
#545272
12/04/09 09:59 PM
12/04/09 09:59 PM
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Joined: Dec 2009
Posts: 242
Upland, California
Spode
OP
enthusiast
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OP
enthusiast
Joined: Dec 2009
Posts: 242
Upland, California
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Quote:
Hummm You'll notice the responses are from WAY outta the So Cal area. You can still find 400 blocks here but they're not common or cheap. FWIW. I paid less than that for a '73 400 block shipped from back east (from a Moparts member) after my local search failed for my 451 build.
Most common explanation for our drought was the oil companies buying 70's cars for pollution credits in the mid 80's if you're old enough to remember.
Bottom line, you can find a better price, I'm sure. Just may not be tomorrow... Have you ask the local Mopar guys if they have any leads? Happy hunting
Thats what I was thinking so cal will not the same as the rest of the country when it comes to used stuff. Ill keep scanning all the ads maybe I will get lucky.
SB vs BB I dont want to use the original 340 engine so I will have buy all new supporting parts headers, intake, heads so my thinking was the potential is alot higher with bigger cubes. I am a SB fan but it seems cheaper to go big to go fast. The low block weights less than RB and has a lower rotating mass also. Can go up to 500ci
SB - I need block, heads, intake, headers, 904
BB - "Same as above" BB 727 motor mounts
,
seems pretty close part by part
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Re: 1974 400 B long block
[Re: R70RUNNER]
#545275
12/05/09 01:42 AM
12/05/09 01:42 AM
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Joined: Jul 2006
Posts: 4,319
Puyallup, WA
StealthWedge67
master
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master
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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Last two 400's I've bought... $50 for a 74 long block (minus carb); $75 for a 71 "230" block and caps, magnafluxed and fresh bored @ .040.
LemonWedge - Street heavy / Strip ready - 11.07 @ 120
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MINUS the fan! That's where all the BBM blocks are! Rob's house 