LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

What temp are you guys running?

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Old 05-16-2003, 07:36 PM
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What temp are you guys running?

I have the Nordskog digital gauges so I can tell right where im at unlike the stock GM gauges. Im running right at about 213- 220 after a few minutes. Im using a stock 4.3L Blazer radiator that was replaced about 8-10k ago with a 16" electric fan that for some reason comes on right after I start it up. I had Brian at pcm4less program it to come on earlier but not that early. He said its at 205 I think. I replaced the ECT about a week ago and it is still doing it.
I also have a issue with it getting around 220 and having a miss and it seems to be leaning out, at least on the left bank where I have the A/F ratio gauge hooked up. Any help?
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Old 05-16-2003, 07:51 PM
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175-182 degrees via LT1 scanmaster.
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Old 05-16-2003, 08:58 PM
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around 170-180 even idling traffic. i have a 160 thermo, fans programmed to come on for the low thermo, removed egr and air system, no cats, and ceramic coated headers. but when it was totally stock it ran 220-230 in traffic.
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Old 05-16-2003, 11:34 PM
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thats whats weird, my fan is on all the time and its still 220. I know the lt1s like the higher temps but I dont
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Old 05-16-2003, 11:38 PM
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cruised home today at a cool 175-178(scanmaster readings) with a 160* stat.
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Old 05-16-2003, 11:53 PM
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if I went out and got a 160 and didnt have it setup for it in the computer what would happen? Im going to get a new one tommorrow believing that its sticking so. Just wanna know what one to get
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Old 05-17-2003, 12:02 AM
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Originally posted by 94FlamdS10Blazr
if I went out and got a 160 and didnt have it setup for it in the computer what would happen? Im going to get a new one tommorrow believing that its sticking so. Just wanna know what one to get
the only thing you change in the computer is the temp at which your fans come on. most guys set them a little lower than stock so the car stays cooler in traffic.. can do the same thing with a fan switch. i actually prefer a fan switch or your computer will likely tell your fans to run all the time.. kinda the problem i had and why i returned the stock fan temps and just built a switch. i picked up a hypertech thermostat at autozone for $20 i think... jus make sure they dont try to sell you a thermostat for a regular 350.
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Old 05-17-2003, 12:08 AM
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According to the stock gauge, i'm usually right at 180, sometimes a little under.
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Old 05-17-2003, 12:19 AM
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like I said the fan comes on about 2 seconds after the truck is started so thats no prblem. I was wondering more if there are more things done to the computer to help compensate for the lower thermostat
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