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Forum: Pontiac - Street 11-14-2019, 10:22 PM
Replies: 62
Views: 5,369
Posted By hurryinhoosier62
Huh? Studebaker had a 289 as well as Ford, but...

Huh? Studebaker had a 289 as well as Ford, but I’m aware of only one 389.
Forum: Pontiac - Street 11-08-2019, 03:51 PM
Replies: 62
Views: 5,369
Posted By hurryinhoosier62
On the street, you’ll be much happier with...

On the street, you’ll be much happier with reproduction long branch cast iron manifolds from RARE. You’ll give up a little top end power but you’ll lose all the headaches of headers. It’s amazing how...
Forum: Pontiac - Street 11-06-2019, 12:48 AM
Replies: 62
Views: 5,369
Posted By hurryinhoosier62
The problem with ‘66 389 blocks is there seems to...

The problem with ‘66 389 blocks is there seems to be a wide variance in cylinder wall thickness. I personally know of two that had cylinder walls of .090 or LESS. If you’re going to use the original...
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