Forum: Pontiac - Street
Yesterday, 09:02 PM
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Replies: 18
Views: 447
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Forum: Pontiac - Street
Yesterday, 01:39 PM
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Replies: 35
Views: 1,276
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Forum: Pontiac - Street
Yesterday, 12:39 PM
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Replies: 18
Views: 447
Thanks - I zoomed in - the pistons are L2257,...
Thanks - I zoomed in - the pistons are L2257, .040
So now just waiting on learning the bore size on block.
Assuming bored to the 4.160 size, will that typically cause issues with a 421 block,...
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Forum: Pontiac - Street
Yesterday, 12:07 PM
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Replies: 18
Views: 447
Thanks Bart
The block was supposedly...
Thanks Bart
The block was supposedly machined and ready for assembly by the seller’s dad who passed several years ago. Since I’m not with the parts, I can’t measure but will ask him to. Is it...
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Forum: Pontiac - Street
Yesterday, 11:29 AM
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Replies: 18
Views: 447
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Forum: Pontiac - Street
Yesterday, 10:23 AM
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Replies: 18
Views: 447
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Forum: Pontiac - Street
Yesterday, 09:16 AM
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Replies: 18
Views: 447
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Forum: Pontiac - Street
Yesterday, 09:16 AM
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Replies: 18
Views: 447
What’s this 421 worth?
I have the opportunity to buy a 421 that was machined about 5 years ago but then sat in a garage and never assembled. It comes with the Armasteel crankshaft, 76 heads, and a new set of .040 pistons....
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Forum: Pontiac - Street
04-30-2024, 10:29 PM
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Replies: 2
Views: 163
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Forum: Pontiac - Street
04-30-2024, 09:18 PM
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Replies: 2
Views: 163
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Forum: Members Helping Members
04-30-2024, 10:12 AM
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Replies: 0
Views: 70
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Forum: Pontiac - Street
04-30-2024, 07:58 AM
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Replies: 18
Views: 697
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Forum: Pontiac - Street
04-29-2024, 07:50 PM
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Replies: 18
Views: 697
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Forum: Ames Customer Satisfaction Forum
04-29-2024, 12:04 PM
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Replies: 11
Views: 4,113
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Forum: Pontiac - Street
04-29-2024, 06:51 AM
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Replies: 18
Views: 697
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Forum: Pontiac - Street
04-28-2024, 08:43 PM
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Replies: 27
Views: 1,608
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Forum: Pontiac - Street
04-28-2024, 07:32 PM
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Replies: 18
Views: 697
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Forum: Ames Customer Satisfaction Forum
04-28-2024, 07:18 PM
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Replies: 11
Views: 4,113
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Forum: Pontiac - Street
04-28-2024, 06:10 PM
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Replies: 18
Views: 697
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Forum: Pontiac - Street
04-28-2024, 05:59 PM
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Replies: 18
Views: 697
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Forum: Pontiac - Street
04-28-2024, 05:57 PM
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Replies: 18
Views: 697
421 Block - Sevice Replacement?
A friend just bought a 1964 421 block, standard bore,. Faint code on the front. He was wondering if it’s an SR block. Either way, it’s a cool score. Pics below:
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Forum: Performance Parts For Sale/Wanted
04-27-2024, 05:46 PM
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Replies: 7
Views: 641
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Forum: 68-69 GTO Tempest & LeMans TECH
04-24-2024, 09:06 PM
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Replies: 57
Views: 15,380
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Forum: Pontiac - Street
04-24-2024, 02:23 PM
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Replies: 20
Views: 963
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Forum: Pontiac - Street
04-19-2024, 06:29 PM
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Replies: 43
Views: 2,063
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