160 t stat question
02-13-2005, 03:11 PM
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160 t stat question I just bought a 160 t stat for my programmer now i heard from some people that they are bad news because the ls1's like to run warmer is this true should i not put it in
02-13-2005, 03:25 PM
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Lots of opinions on this. Quite a few posts just in the last few days. Try doing a seach, you'll have plenty of reading.
My opinion..... For stock or bolt-on LS1s, I like to stick with the stock or aftermarket 180 (they will run the same temps with the same fan settings) with fan settings that keep my temps cycling in the 190-210 range. For higher compression, signifigantly more aggressive timing, or forced induction setups, I'd want cooler temps though.
My opinion..... For stock or bolt-on LS1s, I like to stick with the stock or aftermarket 180 (they will run the same temps with the same fan settings) with fan settings that keep my temps cycling in the 190-210 range. For higher compression, signifigantly more aggressive timing, or forced induction setups, I'd want cooler temps though.
02-13-2005, 03:32 PM
#4
Originally Posted by RPM WS6
Lots of opinions on this. Quite a few posts just in the last few days. Try doing a seach, you'll have plenty of reading.
My opinion..... For stock or bolt-on LS1s, I like to stick with the stock or aftermarket 180 (they will run the same temps with the same fan settings) with fan settings that keep my temps cycling in the 190-210 range. For higher compression, signifigantly more aggressive timing, or forced induction setups, I'd want cooler temps though.
My opinion..... For stock or bolt-on LS1s, I like to stick with the stock or aftermarket 180 (they will run the same temps with the same fan settings) with fan settings that keep my temps cycling in the 190-210 range. For higher compression, signifigantly more aggressive timing, or forced induction setups, I'd want cooler temps though.
. 12.02 CR.
02-14-2005, 11:59 AM
#5
Originally Posted by jrp
:umm: who told you the ls1's like warmer temperatures. get the 160 and use your program to change the fan settings.
02-14-2005, 07:29 PM
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Put in the 160 and don't look back!!! I remember when old timers thought 9:1 compression ratio was the absolute limit for street engines without leaded fuel!!! That proved to be a load of 
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02-14-2005, 09:26 PM
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this might sound like BS but ever since I swapped to a 160* t-stat and a fan control switch my car doesn't ping in the hot Texas weather when running on 87 octane. As soon as I hear some pinging I turn those fans on and everything is good. Don't give me any **** about the 87 octane fellas; I can't afford the good stuff right now 
02-15-2005, 03:33 PM
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LS1's like to run best right around 175-180 from what most have said, perfect for a 160 t-stat. Aluminum disipates heat better than iron, so they can run hotter and get peak performance. However, on iron small blocks, the best temp range for anyting around 10.1:1 compression or above and aggressive timing is really around 140 degrees. I don't know about old timers being afraid of 9.1:1, but if that's the case, that was probably on fladhead V8's that ran hot because of inferior designed water jackets, not on a small block.
Jason
Jason
02-15-2005, 05:54 PM
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Originally Posted by Camaro99SS
LS1's like to run best right around 175-180 from what most have said, perfect for a 160 t-stat.