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#1
09-21-2021, 04:25 PM
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'64 Grand Prix Tri-Power Waterneck
I have a few odd watenecks that I believe are for '64 Big Pontiacs. The casting number is 9776545.
The shape is nearly identical to the '66 GTO and big Pontiac waternecks, but with a different casting number. Can someone confirm?
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
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#2
09-21-2021, 08:16 PM
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Here is what it looks like.
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
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#3
09-22-2021, 09:46 AM
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Dick,
1966 parts book confirms that part # is a 1964 full size tri-power water neck. |
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#4
09-22-2021, 10:49 AM
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Here’s progress on the Tri-Power.
It’s going to go on a ‘64 Grand Prix. The block is a ‘64 421code 45B, which is the 421 HO, factory rated at 370 Hp. Heads are ‘64 421 HO/‘64 GTO casting #9770716. The short block is a Dan Whitmore build.
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan Last edited by Dick Boneske; 09-22-2021 at 11:08 AM. |
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