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Re: Oldsmobile 455 heads G vs J [message #324371 is a reply to message #324361]

Tue, 26 September 2017 00:00

bwevers

Messages: 597
Registered: October 2010
Location: San Jose

Karma:

Senior Member

I rebuilt a 455 out of a Revcon with G heads and put it in my 75 Glenbrook.
They do have bigger valves and rotaters with induction hardened exhaust seats.
But I would imagine after 40 years they probably need exhaust valve seats.

Bill Wevers GMC49ers, GMC Western States 1975 Glenbrook - Manny Powerdrive, OneTon 455 F Block, G heads San Jose

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[Message index]

		Oldsmobile 455 heads G vs J By: Matt Colie on Sat, 23 September 2017 20:39
		Re: Oldsmobile 455 heads G vs J By: Carl S. on Sat, 23 September 2017 22:15
		Re: Oldsmobile 455 heads G vs J By: dr.diesel on Mon, 25 September 2017 18:01
		Re: Oldsmobile 455 heads G vs J By: bwevers on Tue, 26 September 2017 00:00
		Re: Oldsmobile 455 heads G vs J By: roy1 on Tue, 26 September 2017 11:50
		Re: [GMCnet] Oldsmobile 455 heads G vs J By: James Hupy on Tue, 26 September 2017 13:39
		Re: [GMCnet] Olds Heads By: emerystora on Tue, 26 September 2017 15:13
		Re: [GMCnet] Oldsmobile 455 heads G vs J By: Emery Stora on Tue, 26 September 2017 18:10
		Re: [GMCnet] Oldsmobile 455 heads G vs J By: Carl S. on Tue, 26 September 2017 21:34
		Re: [GMCnet] Oldsmobile 455 heads G vs J By: James Hupy on Wed, 27 September 2017 11:31
		Re: Oldsmobile 455 heads G vs J By: Matt Colie on Tue, 26 September 2017 16:31

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