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Paul
Cochise

USA
776 Posts

Posted - 16 Feb 2013 :  6:56:12 PM  Show Profile  Reply with Quote
I am looking for a thermostat housing that has a threaded hole for a temp gauge sending unit. Its for my 74 Pontiac 455, with factory intake. Does anyone know where one may be obtained???? The local parts store got one from MR. Gasket, part number 2557, and the bolt holes are too far apart. I think its more for a Chevy engine.

Thanks,

Paul

Paul
Cochise

USA
776 Posts

Posted - 16 Feb 2013 :  7:05:55 PM  Show Profile  Reply with Quote
the intake has 2 ports, one is going to be used for a mechanical temp gauge, the other is plugged and I cant seem to remove the plug. I would like to run the factory guage plus a mechanical gauge. There are no spots on the heads.

Paul
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Paul
Cochise

USA
776 Posts

Posted - 19 Feb 2013 :  8:22:13 PM  Show Profile  Reply with Quote
UPDATE: I drilled out the plug with a 1/2 bit, then the owner of our local Car Quest used an Easy out, and with a little elbow grease, was able to remove the steel plug. Boy was it seized too. So now I can use the factory temp gauge and a mechanical gauge off the intake. :)
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Blued and Painted
Chief PONTIAC

USA
3406 Posts

Posted - 19 Feb 2013 :  10:47:31 PM  Show Profile  Reply with Quote
what intake are you using? And there is a plug in each head for a sensor. also probably very tight. thats where my factory temp sender was located. I moved it to the intake water crossover to neaten up the engine harness.



Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.

Edited by - Blued and Painted on 19 Feb 2013 10:54:17 PM
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Paul
Cochise

USA
776 Posts

Posted - 19 Feb 2013 :  11:18:42 PM  Show Profile  Reply with Quote
B&P I'm using a 71 factory iron intake. The heads are 1970 #13s. Idly they don't have threaded holes for the temp sensor.
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Blued and Painted
Chief PONTIAC

USA
3406 Posts

Posted - 20 Feb 2013 :  11:18:29 AM  Show Profile  Reply with Quote
This water crossover was cut off of, i think a 72 intake (pre egr). It has a hole left of the thermostat probably for the vac switching valve (3/4) pipe thread). To the right of the thermostat is a raised boss that could fairly easily be drilled a threaded for a temp sender. The second pic if from a preformer intake.





Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.

Edited by - Blued and Painted on 20 Feb 2013 11:31:31 AM
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Paul
Cochise

USA
776 Posts

Posted - 20 Feb 2013 :  12:46:17 PM  Show Profile  Reply with Quote
I separated my crossover too. Where yours has the raised spot is where the plug was on mine that had to be drilled out. I supposed you could drill and tap it. Looks like you polished the performer crossover. That must have taken awhile. It looks nice.
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Blued and Painted
Chief PONTIAC

USA
3406 Posts

Posted - 20 Feb 2013 :  2:41:55 PM  Show Profile  Reply with Quote
I have a problem with flat alunimum. Once you get a routine down the polishing go's fairly quickly. I started with a thermostat housing and i was hooked. Then moved on to altimators, intake's and trans cases.







Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.
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Paul
Cochise

USA
776 Posts

Posted - 21 Feb 2013 :  10:27:47 AM  Show Profile  Reply with Quote
very impressive!!
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Phil
The Great White Buffalo

USA
7216 Posts

Posted - 21 Feb 2013 :  12:12:37 PM  Show Profile  Reply with Quote
He has that kind of time...

Bowties are for Pee-wee Herman. "Chevy": even the name sounds cheap, but not as cheap as your Pontiac will be with an LS transplant.
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