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Re: 250 integral head - replace exhaust manifold?
Quote:
Originally Posted by Palf70Step
When I disassembled mine for a rebuild, many (most) of the bolts that held the exhaust manifold in place snapped off. ...
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This.
My engine is getting changed because of this. The bolt fragments are hard as rock from the heat cycling. I tried all the tricks to get them out. Considered changing the head to an old style, but 5.3 LS motor got chosen instead...
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Joe
'75 GMC Gentleman Jim
'84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter)
'85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans
also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '89 R3500 Flatbed
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