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Forum: Pontiac - Street 04-03-2020, 03:31 PM
Replies: 36
Views: 4,208
Posted By SD421
I can’t seem to keep the attached pics from...

I can’t seem to keep the attached pics from rotating.
They’re clearer though
Forum: Pontiac - Street 04-03-2020, 01:31 PM
Replies: 36
Views: 4,208
Posted By SD421
Had to go back to find a pic.

Had to go back to find a pic.
Forum: Pontiac - Street 04-01-2020, 07:30 PM
Replies: 36
Views: 4,208
Posted By SD421
My 421 Block Isn’t Following The Rule

Hi,
It was pointed out to me that my 421 block doesn’t have the straight across machined pad under the cylinder head but is scalloped like the 389.

It’s a 1966 421, YH code, has the transfer lug,...
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