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#1
05-21-2026, 11:06 AM
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thermostat housings
hi guys:
this 64 gp is my first pontiac. all my years has been devoted to caddys, all 500 ci's. i cannot find a thermostat housing to replace the one on my caddy. the thing i found out is that my 64 gp has a thermostat housing bolt spread of 3" matches the caddy bolt spread. chevy's spread is larger and it is difficult to get a good seal. here are two picts, one caddy and one off the 389. the caddy is straight up and the pontiac is slightly angled. anybody know of a pontiac housing that is straight up that would match the caddy? i could even use one that leaned in the opposite direction of the caddy. thanks. mario64 |
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#2
05-21-2026, 12:23 PM
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March performance has this one. https://www.summitracing.com/parts/m...5/make/pontiac
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67 Firebird Convertible |
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#3
05-21-2026, 03:13 PM
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hi jwcfbc:
thank you for that heads up. i went to march's website and found a black one BTH-101-08 and sent them an email asking for some dimensions. we'll see how long it takes to get back to me. thanks again. mario64 Last edited by Mario64; 05-21-2026 at 03:15 PM. Reason: spelling |
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#4
06-01-2026, 02:22 PM
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march never responded. found a used, but better than min, replacement.
thanks all. mario 64 |
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#5
06-01-2026, 06:40 PM
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The 56 & 57 were cast & straight up...
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"At no time did we exceed 175 mph.” Dan Gurney's truthful response to his and Brock Yate's winning of the first ever Cannonball Baker Sea-to-Shining Sea... Still have my 1st Firebird 7th Firebird 57 Starchief |
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