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452 casting #3223190
03/27/24 04:49 PM
03/27/24 04:49 PM
Joined: Jan 2003
Posts: 1,597
westerly, ri. usa
4
440lebaron Offline OP
pro stock
440lebaron  Offline OP
pro stock
4

Joined: Jan 2003
Posts: 1,597
westerly, ri. usa
hello,
picked up a pair of "452" b/b heads for my stocker, has a 1/8" pipe plug on one end. is this factory? motor home?? never seen this before. also appear to be surfaced quite a bit, casting numbers on deck surface top 1/16th have been machined. deck thickness on lower head bolts is 1.00 thick, what's unsurfaced thickness?

20240327_112523.jpg

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Re: 452 casting [Re: 440lebaron] #3223199
03/27/24 05:25 PM
03/27/24 05:25 PM
Joined: Oct 2005
Posts: 265
Anchorage, Alaska
metallicareload Offline
enthusiast
metallicareload  Offline
enthusiast

Joined: Oct 2005
Posts: 265
Anchorage, Alaska
Originally Posted by 440lebaron
hello,
picked up a pair of "452" b/b heads for my stocker, has a 1/8" pipe plug on one end. is this factory? motor home?? never seen this before. also appear to be surfaced quite a bit, casting numbers on deck surface top 1/16th have been machined. deck thickness on lower head bolts is 1.00 thick, what's unsurfaced thickness?


What kind of spark plugs do those heads use? I’ve heard that uncut heads measure a little over 1”, but I’ve never measured personally shruggy


440, 4-Speed, 3.54
1968, when Dinosaurs ruled the Earth
Re: 452 casting [Re: metallicareload] #3223212
03/27/24 07:00 PM
03/27/24 07:00 PM
Joined: Nov 2003
Posts: 12,493
Western Colorado High Desert
moparmarks Offline
I Live Here
moparmarks  Offline
I Live Here

Joined: Nov 2003
Posts: 12,493
Western Colorado High Desert
Are there steam ports at the exhaust valves? There are two 452 heads. Standard and motor home.


72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
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Re: 452 casting [Re: moparmarks] #3223215
03/27/24 07:31 PM
03/27/24 07:31 PM
Joined: Mar 2005
Posts: 3,020
NY
B
B1duster Offline
master
B1duster  Offline
master
B

Joined: Mar 2005
Posts: 3,020
NY
There was someone in Westchester NY selling bare NOS 452 heads on Craigslist or facebook a few months ago. $50 ea. I believe they had 3 pair. I searched but can’t find them now. If I find them I’ll let you know. They were within a 1/2 hr for me.

Re: 452 casting [Re: B1duster] #3223251
03/27/24 10:59 PM
03/27/24 10:59 PM
Joined: Jan 2004
Posts: 8,192
fredericksburg,va
C
cudaman1969 Offline
master
cudaman1969  Offline
master
C

Joined: Jan 2004
Posts: 8,192
fredericksburg,va
I’ll check my heads for that plug but I don’t remember one being there, might be wrong though.

Re: 452 casting [Re: 440lebaron] #3223252
03/27/24 11:04 PM
03/27/24 11:04 PM
Joined: Jan 2003
Posts: 74,905
U.S.S.A.
JohnRR Offline
I Win
JohnRR  Offline
I Win

Joined: Jan 2003
Posts: 74,905
U.S.S.A.
906's usually measure 1.00ish from the factory ,I never measured the set I had gotten from Paul Rossi back in the 80's , they were NOS castings , small plug with the water ports around the spark plugs.

What's the depth of the open part of the chamber , the set I had were over .100 , as deep as .130 in the center of the head.


running up my post count some more .
Re: 452 casting [Re: 440lebaron] #3223284
03/28/24 09:16 AM
03/28/24 09:16 AM
Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
an8sec70cuda Offline
I Live Here
an8sec70cuda  Offline
I Live Here

Joined: Jan 2003
Posts: 13,319
Marion, South Carolina [><]
The 1/8" pipe plug is factory and I believe to be only on motorhome heads. I just sold a set like that a few weeks ago.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax






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