One eyed 180 Stat - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-04-2003, 11:42 PM   #11
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Quote:
Originally Posted by bonnie94sse
I didn't know the 2000+ Bonnes had 16gal tanks...thought it would be at least 18..

Sorry for the ~ off topic comment
you're right.. they're not 16 gallon tanks, and they're not 18 either.. they're 20.
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Old 09-05-2003, 01:03 AM   #12
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Quote:
Originally Posted by TaylorD
Quote:
You can drive like grandma for a whole week and keep it at 20mpg or better. However, every good launch, or quick passing maneuver seems to cost you about 1mpg on your average. If he is still getting 16mpg, then I would say that he is showing some restraint.
Couldn't of said it better myself! 16mpg is about what I get too! I LIKE TO PLAY!!!, seen the mpg'* drop into the 14'* before.
14'* is nothing, you have an SSEi. i have an SE and i've seen my milage drop into the 14'*, now you wanna talk to me about playing??? and that was with a new O2 sensor...
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Old 09-05-2003, 01:32 AM   #13
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I used to get 12-13mpg.

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Old 09-11-2003, 01:05 AM   #14
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Hmmm....

I not too happy now with the "one eyed" 180 stat.

It doesn't stay long at 180 and moves up to the normal 195 real quick. That'* straight up on my gauge or 90 C.
....and the outside temp has cooled to 70 F now.
I always have the A/C on auto so the low speed fans are running.

Before with the 4 holes is most always stayed a notch below or about 180.

Maybe two holes is optimum....but with the cooler weather on the way, I don't want the same problem I had last winter with the engine failing to reach operating temp and throwing the SES light.

The stock radiator must really suck....or is it just the fact that the cooling fans don't come on high until 215 F ??
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Old 09-11-2003, 01:24 AM   #15
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All that and the fact that Pontiac stopped putting in tranny coolers in the mid 90'*. They really help keep the heat saturation down, since the trans is right in the 'road flow'. You can suck some heat out through the tranny, and even more through the cooler.
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Old 09-11-2003, 11:03 AM   #16
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Check out this thread:

http://www.bonnevilleclub.com/forum/...pic.php?t=6588

Specifically dbkt2'* response towards the bottom. My 180 is NOT drilled...my guage shows operating temp of 195 but the autotap shows coolant temp of about 180-185.

-- Rogue
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Old 09-11-2003, 12:27 PM   #17
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Yes I remember that thread. That was back when I had the 180 stat with the 4 holes drilled in it. Once my engine was fully warmed up back then, I used a digital infrared thermometer (lacking an autotap) to measure temps around the top of the engine, specifically the thermostat housing, and the temps were always 185 F and never warmer.
Now with the single hole, the temp readings are 195 F.

I'm not going to worry about it though. It is not affecting performance or fuel economy and has got to be better than using the original 195 blind stat.

I just received my ZZP hi-speed fan switch kit. Man, it looks like a complicated hook-up.
Got to open up the engine bay fuse box and cut some wires. :(
dbkt2 - the diagram is illustrated for a GTP. Is it identical to the SSEi ?
Well I've got all winter to figure it out before the next warm season.
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Old 09-11-2003, 01:25 PM   #18
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Silver-document what you do, I've been eyeing that fan switch myself.
I'm guessing that it won't be exactily the same as a gtp because nothing ever is.
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Old 09-11-2003, 01:43 PM   #19
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I had the same thing with my thermostat....drilled too many holes the next time. I'm running 2 holes now. 1/16" each, I think. It'* so climate-dependent, not everyone can do it the same.

You guys read Fuddy'* advice on grounding wires at the maxifuse relay center? It'll work up to 99. That'* another way to get the fans on. Switch in the cockpit.
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