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- - Thermostat (http://zr1.net/forum/showthread.php?t=27640)

Why do you want a 160F t-stat?

What do you expect the result to be from a t-stat that opens earlier, i.e. lower temp?

Read this thread on thermostats. Installation of a Fluidyne radiator caused cooling issues in particular in cold climates. As Gerry states a bypass hole provides more rapid cooling.

You can follow the results I got here:

http://zr1.net/forum/showthread.php?...ght=thermostat

Quote:

Originally Posted by A26B (Post 259559)

Why do you want a 160F t-stat?

What do you expect the result to be from a t-stat that opens earlier, i.e. lower temp?

Cooler temps on the freeway.

Quote:

Originally Posted by 5ABI VT (Post 259564)

Cooler temps on the freeway.

You really want to run at >-= 80C for coolant temps. That's where the calibration is in Closed Loop and LEARN is ON.

don't necessarily need 160 just would prefer something a little cooler than the oem stat.

Quote:

Originally Posted by 5ABI VT (Post 259570)

don't necessarily need 160 just would prefer something a little cooler than the oem stat.

I guess the question is still "What's the result u r looking for?" If the motor is running at about 185F-190 or so, that's where it needs to be.

I ordered the Stant 14068 thermostat and it doesn't look like the one that is posted. Here is a picture of it. Should I still install it or should I try to order it from somewhere else? The first three pics are the one I ordered and the last is the one that is on ZR-1 Specialist website. I don't want to do this job twice or screw the car up. Thoughts?

http://i653.photobucket.com/albums/u...psmblareep.jpg

http://i653.photobucket.com/albums/u...psmyassatz.jpg

http://i653.photobucket.com/albums/u...pss4yfhfwy.jpg

This is what is posted on Jerry's sight:

http://i653.photobucket.com/albums/u...pslgm2zx0o.jpg

Don't install the one in your 2nd & 3rd photos.

Getting the wrong part in the right box is not uncommon. Between that problem & incorrectly identifying parts as LT5 compatible, it can be a real problem sometimes.

I bought a thermo from Jerry just to avoid any "agida" later on.

Quote:

Originally Posted by Dynomite (Post 259400)

Stants from Jerry or Marc.

I never drill holes in the Stant 180 deg Thermostat as that offers very little (1.6%) increase in coolant flow.

LT5/ZR-1 Fluids

RADIATOR COOLANT

You want to only use the green coolant. They have it at Napa and it meets 1825M GM Spec.

For Zerex the first gallon is called Regular Green Coolant (GM 1825M), the second gallon is called Original Formula (GM 1825M). Zerex ZXRU1 is 50-50 and Zerex ZX001 is undiluted. The third gallon is NAPA coolant (GM 1825M).

http://partimages.genpt.com/partimages/213991.jpgORhttp://ecx.images-amazon.com/images/I/31jb-ZubjrL.jpgORhttp://partimages.genpt.com/partimages/213967.jpg

NAPA

All I could find here in Japan at the Navy base Autoport are these:

https://uploads.tapatalk-cdn.com/201...88462062cb.jpg https://uploads.tapatalk-cdn.com/201...8ed0d0a2f3.jpg https://uploads.tapatalk-cdn.com/201...0bcfb57218.jpg

None of them state GM 1825M. I'll have to check manufacturer's website for more details.

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