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RDMG
Dave R
Northern Virginia
(138 posts)

Registered:
04/07/2016 08:29PM

Main British Car:
1979 MGB 4.6L Rover V8

WTB: one Buick 300 Aluminum Head
Posted by: RDMG
Date: September 20, 2018 04:47PM

I have a mismatched set, one in fine condition, the other heavily corroded.

Would like to know if I can buy a single head for less than the cost to weld up and rehab the dodgy one.

Surely someone out there has an orphan?


roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: WTB: one Buick 300 Aluminum Head
Posted by: roverman
Date: October 31, 2018 04:25PM

FWIW. unless it's just at the "dogbones/ coolant transfer", at each end of head, don't waste your time/money. It's where you don't see bad corrosion, is the real peril.
art.


RDMG
Dave R
Northern Virginia
(138 posts)

Registered:
04/07/2016 08:29PM

Main British Car:
1979 MGB 4.6L Rover V8

Re: WTB: one Buick 300 Aluminum Head
Posted by: RDMG
Date: November 17, 2018 12:59PM

Art.

I’m guessing I know the answer, but what do you think of this head— can it be saved?
DB3C839D-B616-4A51-82A4-10D6650BC5C1.jpeg
5663B2A7-3D10-4F68-83CF-7AFF7275B41B.jpeg

All the corrosion seems to be near the gasket surfaces— deeper in the coolant passages it looks pretty smooth.

Dave
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roverman
Art Gertz
Winchester, CA.
(3188 posts)

Registered:
04/24/2009 11:02AM

Main British Car:
74' Jensen Healy, 79 Huff. GT 1, 74 MGB Lotus 907,2L

Re: WTB: one Buick 300 Aluminum Head
Posted by: roverman
Date: November 20, 2018 11:35AM

"Looks" like galvanic reaction. Water or old-style coolant formula. Steel head gasket, alum. head and heavy amp flow,(ground at front of block, starter at back). You might learn more on hidden thicknesses with sonic tester. When clean, these heads weld-up great. For hi-perf., I would weld a "bridge" in center of dog bone. When heads are pristine clean in coolant areas, you can seal with, "egg keep", (sodium carbonate) ?
Good Luck, art.


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