TAlKED WITH RADIATOR TECHNICIAN ON 180 STAT. - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-08-2004, 03:55 PM   #11
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Default Free replacement

Anyone have more info on GM replacing the plenums for free due to lawsuit??
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Old 04-08-2004, 04:00 PM   #12
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Quote:
Originally Posted by willwren
Lower intake temps=better power and less breakdown of oil. I get 29mpg on the freeway at 70mph with my DRILLED 180.

GM has instructions to discourage the use of 180'*. We also have had nobody running 180 have any problems passing emissions.

The 180 is especially important for the 95-99 non-supercharged cars with the failure-prone plastic upper intake. Cooler intake temps may help prevent those problems.

There are literally THOUSANDS of 3800'* out there running the 180 with no problems.
if putting in a 180 stat actually reduces the chance of an air plenum failure on a K motor, why doesn't GM put out a service bulletin or do a recall......too much money...don't want to admit they have a problem.......making more money selling plenums??
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Old 04-08-2004, 04:05 PM   #13
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Quote:
Originally Posted by Rogue
I just dropped to a 160 for the summer. Still trying to combat some KR so im keeping the engine cooler. I did not have any problems with my 180.
My '93 still has its original (what, 200, is it?) in there at 112K and it'* been fine. Kept up to date on cooling system flushing now, too.

One interesting thing I noticed was that after I got the A/C fixed last summer, the running temperature _dropped_ slightly, and that includes driving through the winter when the compressor obviously was not operating and I assume the cooling fans weren't, either. The termperature gauge is now clearly a notch or two below the center mark (200 on the gauge, if I remember right) most of the time, whereas before, when the A/C was out and the HVAC display would do its two-minute Hey-I've-Got-an-Error-Code blinking every time I started the car, the gauge spent most of its time slightly higher on the scale, creeping well above 200 whenever I sat too long at a stoplight.

So I'm wondering if there'* some input into the ECM that changes its behavior if the Freon is low, or otherwise if the HVAC is reporting a problem, which results in a slightly higher running temperature. I know it doesn't seem like there should be, but my car has definitely been running a little cooler since the A/C was repaired, and the cooling system had not been touched at that time, or since.
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Old 04-08-2004, 04:09 PM   #14
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i have a 180 stat but i havent gone through emissions yet so will see
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Old 04-08-2004, 05:11 PM   #15
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i have a 195..............and i've hit over 325 at half a tank.............

SORRY OFF TOPIC
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Old 04-08-2004, 05:18 PM   #16
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what???
i hit about 180 at half tank and about 280 to 300 a tank regardless if city of highway driving
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Old 04-09-2004, 05:29 PM   #17
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Maybe our engines get better MPG as they get higher miles on them?
Just breaking in at 150k.
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Old 04-10-2004, 02:13 AM   #18
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I've got whatever was in there when I bought it (pwner was a car guy, but the wife drove it, so most likely 195). Mine doesn't get above 195. EVER. It could be 95* out, and i'm stuck on 494, and i'm still 195. I may go down to a 180 for the performance build, but other then that, i see no point. If it was that much of a benefit, GM would have done the colder stat from the factory.
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Old 04-10-2004, 05:07 AM   #19
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Mine too, I don't get that kind of milage, a full tank will only give me 400 at most. I have the 195 on my 1993.

Hey JR! My Trip Odometer is dead, If press to reset I can see the numbers moving a little bit , it is in 000 and they won't move doesn' matter how long or how fast I drive.
Any idea how to repair this? Is the Trip Odometer connected to a cable or something?
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Old 04-10-2004, 02:33 PM   #20
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Quote:
Originally Posted by acg_ssei
One interesting thing I noticed was that after I got the A/C fixed last summer, the running temperature _dropped_ slightly, and that includes driving through the winter when the compressor obviously was not operating and I assume the cooling fans weren't, either.
Doesn't the AC compressor kick on whenever the climate control is set to defrost? Thought I'd heard they did that so that the compressor wouldn't seize up in the winter due to lack of use.

-b
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