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#1
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64 Tripower correct water fitting
Hi folks, kinda starting a feeler thread about the correct water return fitting for the 1964 GTO Tripower...
My understanding is a different fitting was used then came on the big cars, its made of brass, and has a shorter galvi pipe attached, see pic... With it being a one year, one model, one intake only, they are very hard to come by. I've seen lots of 64's with the big car fitting, usually denoting a swap. I'm looking into having the fitting reproduced, and am curious if there is a demand for having them made. please reply if you would like to get one, it will help me gauge a production number, which will help me with a price... I'm hoping for a cost around 40-60$... Best, Trent |
#2
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Parts book shows no difference between P/8 and T/8 . 9771042 is no A/c and should be the bent steel pipe. The piece you show should be the 9775693 for A/C applications. Parts book picture for 3x2 shows it with the 9771042 screwing into the 9775693 although I'm not sure that was how it was done. I have seen sone times that it looks like the A/C may have had a heater control valve into the brass fitting. Not sure there are enough pictures in the manuals to be certain
The picture you have looks like there may be a short snout before the threads that may have a reduced size hole as would be used to drop water pressure and prevent blowing out the heater core. Don't ask how I know. |
#3
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The piece you show is just a normal 45 degree fitting that the 90 degree elbow screws into. I believe it is used on AC cars both tripower and non tp. I've had it on both TP and 4bbl manifolds.
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#4
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Really? AC only? ok, a bit more of the puzzle...
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#5
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I have not seen this fitting on big Pontiacs, only '64 GTO's, with and without A/C.
I would be interested to learn the purpose of the fitting, as there is not a clearance issue if the fitting is not used.
__________________
BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
#6
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That fitting was on my 1964 GP with a 4bbl manifold. I broke it trying to remove it from the manifold. It broke right where the threads met the square section. This has happened more than once to me over the years.
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#7
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From the 1967 MPC:
For 1964 P/8 - T/8 Tri-Power there is the #9775693 ELBOW, heater water valve assembly, to manifold. This would be the brass fitting. And. the #9776906 ELBOW, heater hose to intake manifold, exc. A.C. This would be the "regular" bent tube fitting added to the Tri-Power #9775693 fitting. |
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