Jim,
I'll admit you've got me faked out. It's late and cold outside, so I don't
want to got out to the shop where my Parts Book is, but I think the
timing cover is all the same from '68 to '76. It did change on the '77 and
later motors. The '68 to '72 Eldo had a single front lower mount which
what is needed for GMC installation. In '73 they went to side mounts in
the front with a single center rear mount for the Eldo.
The '68 & '69 Eldo were 472s and had a different casting number on
the right rear of the block. And the '70 to '76 Eldo all had the same
block.
Gary Kosier
77PB w/500Cad
Newark, Ohio
--------------------------------------------------
From: "James Hupy"
Sent: Friday, November 25, 2016 10:23 PM
To:
Subject: Re: [GMCnet] 500 inch Cad engine
> Gary, I have a big block Eldo engine complete with transmission and final
> drive. It is an early production engine that I salvaged from a wrecking
> yard. The front timing cover and mounting plate for the motor mounts is
> different than a cad passenger car. I just took that to mean that all
> eldorados were similar. Must be a year model difference on mine. Sorry if
> I
> added to the confusion instead of clarification.
> Jim Hupy
>
>
> David,
>
> The only difference between the Eldo and the RWD motors
> is the oil pan, oil pump pickup and the dipstick tube.
> Oh yes, also the left exhaust manifold.
>
> Gary Kosier
> 77PB w/500Cad
> Newark, Ohio
>
> --------------------------------------------------
> From: "David H. Jarvis"
> Sent: Friday, November 25, 2016 8:51 PM
> To:
> Subject: Re: [GMCnet] 500 inch Cad engine
>
>
> Does that mean other oil pans will not bolt on?
>>
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