Thermostat Installation

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01-31-2012, 01:45 PM

#11

tx65coupe

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Join Date: Dec 2008

Location: Texas

Posts: 4,462

Quote:

Originally Posted by jojobanks

don't you have an edelbrock intake? just order an edelbrock one. you can get them on ebay for like $20.

Yep, I have an Eddy intake. I've never seen a T stat housing that was made by Edelbrock. I just looked them up and did see one. I need one with the port though. I use it for a thermometer.

Last edited by tx65coupe; 01-31-2012 at 01:52 PM.

01-31-2012, 01:47 PM

#12

tx65coupe

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I just got some info from Mustangs Unlimited. They are saying the following.

The Motorcraft part number RT-1152 (same as) YF1Z-8575-BA. That 190 degree stat will not fit this housing with out the aid of a "Dremel"

Motorcraft part number RT-351 (same as) D5PZ-8575-B will fit without modification, this is a 180 degree thermostat.

01-31-2012, 01:48 PM

#13

tx65coupe

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Location: Texas

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I didn't realize that there would different diameters of them for Ford small blocks. The thermostat I have is a RT-1139. I wonder if this is the problem. Its what my 95 f150 uses and what 5.0 Mustangs use. Maybe it is the issue. I can't believe it is though. The Mr Gasket water outlet is for fox body 5.0 and so is the T stat I have.

Last edited by tx65coupe; 01-31-2012 at 02:15 PM.