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#2418383 - 12/14/17 07:47 AM WIW Big blocks
DusterKid Offline
super stock

Registered: 01/02/05
Posts: 774
Loc: Keymar, MD
A guy contacted my dad that he has a 440 and 2 400 engines for sale. What's the going price for these now a days?

The 440 is a 71 and is a complete engine (I'm assuming intake to oil pan) but needs rebuilt.

The 400 not sure of yr or if they are complete or just blocks. Mainly just interested in the value of the block since these are best built as a stroker.

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#2418417 - 12/14/17 09:25 AM Re: WIW Big blocks [Re: DusterKid]
rickseeman Offline
pro stock

Registered: 01/18/12
Posts: 1405
Loc: Little Rock, Arkansas
I bought a few 400 blocks for $200 each. I thought that was reasonable.
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#2418460 - 12/14/17 10:42 AM Re: WIW Big blocks [Re: DusterKid]
DaytonaTurbo Offline


Registered: 02/26/03
Posts: 20711
Loc: Manitoba, Canada
For a complete carb to pan 440 I would do as much as $500 as long as it's not seized. For a bare block $250. A complete carb to pan 400 would be somewhere between those two.

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#2418511 - 12/14/17 12:35 PM Re: WIW Big blocks [Re: DaytonaTurbo]
oldjonny Offline
top fuel

Registered: 02/12/07
Posts: 1898
Loc: Michigan
Got rid of two 440's this summer. Complete top to bottom as pulled. Struggled to get $500 each. Was glad to see them gone.
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#2418758 - 12/14/17 08:41 PM Re: WIW Big blocks [Re: DusterKid]
NTOLERANCE Offline
master

Registered: 08/17/03
Posts: 4311
Loc: Madison Wi
$1 per cubic inch assuming run of the mill non-hp engines.

67-71 HP engines could be more.

Accessories, carbs, manifolds, ect all vary the price too.
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#2419627 - 12/16/17 07:24 PM Re: WIW Big blocks [Re: DusterKid]
AndyF Offline
Too Many Posts

Registered: 01/20/03
Posts: 23810
Loc: Oregon
Core engines aren't worth much money since so many of them turn out to be worthless. I used to buy core engines all the time and I would have to scrap about 1 in 4 block. Once you get them all pulled apart, cleaned, magged and sonic checked you'll see what I mean.

It takes a lot of work to pull them all apart and clean them. And it cost money to get them hot tanked, magged and sonic checked. Just because of that I'm usually not interested in any big block core where the guy wants more than a few hundred bucks. This summer I bought 3 big blocks for $300 and it wasn't a great deal. One block was worthless, one didn't have main caps and one block appears to be okay. So after spending $300 plus a full day of labor and $200 for cleaning, magging and sonic checking I have a block that is worth $500.

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#2419647 - 12/16/17 07:54 PM Re: WIW Big blocks [Re: DusterKid]
NTOLERANCE Offline
master

Registered: 08/17/03
Posts: 4311
Loc: Madison Wi
If the 400 blocks have a casting number ending in 230 they could be worth more
_________________________
I used to care but....... things have changed

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#2419906 - 12/17/17 01:25 PM Re: WIW Big blocks [Re: NTOLERANCE]
blaze Offline
mopar

Registered: 09/06/03
Posts: 659
Loc: South-east Mn
I just sold a 77-78 motorhome 440 for $250.00

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