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Head casting #2999238
12/28/21 05:22 PM
12/28/21 05:22 PM
Joined: Jan 2003
Posts: 1,599
westerly, ri. usa
4
440lebaron Offline OP
pro stock
440lebaron  Offline OP
pro stock
4

Joined: Jan 2003
Posts: 1,599
westerly, ri. usa
looking for heads for my nhra stocker 400 b casting 4120187 what is it?
also can use 4006452 76'-78 400-440, 3769975 75'400-440


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Re: Head casting [Re: 440lebaron] #2999241
12/28/21 05:35 PM
12/28/21 05:35 PM
Joined: Aug 2005
Posts: 4,101
Yes
S
sixpakdodge Offline
master
sixpakdodge  Offline
master
S

Joined: Aug 2005
Posts: 4,101
Yes
Absolutely use the 452.

Re: Head casting [Re: 440lebaron] #2999320
12/28/21 09:33 PM
12/28/21 09:33 PM
Joined: Jul 2009
Posts: 489
IL
E
EchoSixMike Offline
mopar
EchoSixMike  Offline
mopar
E

Joined: Jul 2009
Posts: 489
IL
If you can't find 452 heads locally, I have a stack of them, and a couple sets of the police car/RV heads with the extra steam holes, if you need them. S/F....Ken M

Re: Head casting [Re: 440lebaron] #2999377
12/29/21 01:31 AM
12/29/21 01:31 AM
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
C
Cab_Burge Online work
I Win
Cab_Burge  Online Work
I Win
C

Joined: Aug 2003
Posts: 43,007
Bend,OR USA
Before you decide make sure and have all eight ports flowed as well as any replacement heads NHRA accepts, me thinks there may be a Edelbrock head acceptable scope
I have several sets of the stock 400 heads, not sure which casting numbers though shruggy
PM me if your interested in a set cheap grin


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Head casting [Re: 440lebaron] #2999504
12/29/21 01:16 PM
12/29/21 01:16 PM
Joined: Jul 2008
Posts: 606
Boise
M
Moparteacher Offline
mopar
Moparteacher  Offline
mopar
M

Joined: Jul 2008
Posts: 606
Boise
FWIW, a few things I remember when I was researching heads for a 383 stocker:
The 452 casting has the best low lift numbers.
Milling the intake face lowers the intake volume and makes room to......ahem.....well, customize the port and maintain the NHRA intake volume specification. NHRA states a limit to how far it can be milled. It cannot go into the valve cover bolt holes.
A 45 degree seat on the intake is NOT the angle you want. A 30 degree seat flows better at low lift numbers and may be preferred.
The Edelbrock acceptable head comes with a weight penalty, and has the wrong valve sizes, thus different valves and seats may be required.

Disclaimer: It's been a few years and the rules may have changed, and all this info may be nonsense.

You may be able to purge some better info on Classracer.com

Re: Head casting [Re: Moparteacher] #2999566
12/29/21 03:31 PM
12/29/21 03:31 PM
Joined: Jan 2003
Posts: 14,479
So. Burlington, Vt.
F
fast68plymouth Offline
I Live Here
fast68plymouth  Offline
I Live Here
F

Joined: Jan 2003
Posts: 14,479
So. Burlington, Vt.
My advice is to just look for some 452’s that haven’t been touched yet........ that have minimal core shift, and the valve seats aren’t all pounded out.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Head casting [Re: fast68plymouth] #2999789
12/30/21 07:24 AM
12/30/21 07:24 AM
Joined: Jan 2010
Posts: 139
Canada
M
Max Weg Offline
member
Max Weg  Offline
member
M

Joined: Jan 2010
Posts: 139
Canada
To be competitive in Stock Eliminator your best bang for the buck is to use a reputable cylinder head and intake shop that works on these engines for these classes. You will be wasting your money and effort and getting poor results otherwise.

Max Weg

Re: Head casting [Re: Max Weg] #3000330
12/31/21 03:15 PM
12/31/21 03:15 PM
Joined: Jan 2003
Posts: 3,504
DFW
M
mr_340 Offline
master
mr_340  Offline
master
M

Joined: Jan 2003
Posts: 3,504
DFW
You might want to check with Don Little on the BB heads. The Eddy heads will take some work as they have smaller valve stem guides (need enlarged to .375") and they have seats for larger valves. I think they come unmachined, not sure if the throats are too large for stock size valves. I think the ports have too many CCs, so need the flanges need milled back. As stated, probably cheaper to find a good head guy that knows how to make them run fast. I'd figure $20k for the engine costs, maybe more.


Floyd Lippencott IV
Re: Head casting [Re: mr_340] #3000353
12/31/21 04:07 PM
12/31/21 04:07 PM
Joined: Jan 2003
Posts: 14,479
So. Burlington, Vt.
F
fast68plymouth Offline
I Live Here
fast68plymouth  Offline
I Live Here
F

Joined: Jan 2003
Posts: 14,479
So. Burlington, Vt.
I don’t think the nhra approved Ede BB head has been available for a while.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads






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