Re: Aluminum Block Mystery
[Re: AndyF]
#3229571
04/27/24 07:59 PM
04/27/24 07:59 PM
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Joined: Aug 2005
Posts: 774 Southington Ct.
turbobitt
super stock
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super stock
Joined: Aug 2005
Posts: 774
Southington Ct.
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Looks like part of the casting process. The wire might have been used to hold the cores in place. Bingo on this. Have seen this before on my Stock Iron Ford 460 block but in slightly different orientation but the function of holding the cores is the same. AG.
1970 Challenger w/572 Hemi street car and my pride and joy.
1986 T-Type with 272 Stage 2 Buick V6 engine - True 8 second street car. Just updated the engine and put down 928 HP @ 35# boost to the ground on chasis dyno.
1976 Cee Bee Avenger Jet Boat - 460 Ford powered.
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Re: Aluminum Block Mystery
[Re: AndyF]
#3229592
04/27/24 09:53 PM
04/27/24 09:53 PM
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Joined: Dec 2006
Posts: 2,136 Byron, NY
W.I.N. Racing
top fuel
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top fuel
Joined: Dec 2006
Posts: 2,136
Byron, NY
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Looks like part of the casting process. The wire might have been used to hold the cores in place.
'01 P1500, Blown/Inj BAE,/Veney ,Bruno/CS2,Dana 60 '01 Dodge 3500 S Cummins Auto, Fresh air kit, 4" Exhaust, '05 Dodge Magnum R/T - Too Much to list '60 Willys CJ5 '01 International LPX - Project,DT466, Allison '64 Plymouth Valiant, Inj 528 Hemi, 2spd
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Re: Aluminum Block Mystery
[Re: AndyF]
#3230099
04/29/24 11:15 PM
04/29/24 11:15 PM
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Joined: Sep 2007
Posts: 427 Cascade, CO
reknapp52
OP
mopar
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OP
mopar
Joined: Sep 2007
Posts: 427
Cascade, CO
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It's bored along the lifter galleys but I can't see where the feed comes into them. I have the oil pickup and stuff to plumb the external oil lines., I didn't really look to see if it had provisions for an internal pickup. Also will have to provide a spot for the oil pressure gauge to plumb into, as this block doesn't have one like a factory block.
Last edited by reknapp52; 04/29/24 11:17 PM.
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Re: Aluminum Block Mystery
[Re: reknapp52]
#3230204
04/30/24 12:21 PM
04/30/24 12:21 PM
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Joined: Jan 2003
Posts: 18,025 S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 18,025
S.E. Michigan
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Agreed with above, also used on iron.
On certain MP designs the ends of the wire that sits from the front to rear of the block has historically been a minor problem, and would create a small coolant leak to the outside of the block. The megablock and older MP water block (pre-World) had a small cast-in bump in the front and rear of the block to add material and try to alleviate the problem. Sometimes the strategy did not work and there would be a spot of porosity or a small gas bubble in the exact location of the wire. I've only seen about a half dozen like that, only one had the leak in the rear. All were repairable with small pipe plugs but at least a couple were replaced for that reason. It is a very rare failure but did happen.
Rich H.
Esse Quam Videri
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Re: Aluminum Block Mystery
[Re: reknapp52]
#3230529
05/01/24 06:35 PM
05/01/24 06:35 PM
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Joined: Jan 2012
Posts: 2,726 Stuttgart, Arkansas
rickseeman
master
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master
Joined: Jan 2012
Posts: 2,726
Stuttgart, Arkansas
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It's bored along the lifter galleys but I can't see where the feed comes into them. I have the oil pickup and stuff to plumb the external oil lines., I didn't really look to see if it had provisions for an internal pickup. Also will have to provide a spot for the oil pressure gauge to plumb into, as this block doesn't have one like a factory block. It should't have an internal pickup. All of those 1/8" pipe plugs in the side of the main oil galley can be used for an oil pressure gauge. I've never had one of that year that had lifter oiling. I believe it was done from behind the cam bearings then. Look there for the circuits.
2011 Drag Pak Challenger
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