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SBC 195 degree Thermostat

10K views 11 replies 4 participants last post by  gonzo08383 
#1 ·
In my truck with a with a built 350 SBC, would it be good to run a 195 degree thermostat, and is it likely to cause detonation? I've been reading about how it may run a bit more efficient with a 195 T stat.

Thanks guys.
 
#2 ·
depends on your compression ratio, iron/aluminum heads, octane of fuel, and lots of other stuff. my 350 loves 195*, it really rockets up. i also have to keep premium fuel in it and if it sits too long i have to put additive in the fuel or it will try to run backwards when i shut it off. i say try it out and see what happens. its not like its going to blow up and a t-stat is under 20 bucks. i'd turn the timing down a couple degrees just to be safe tho.
 
#3 ·
Thanks for the help, here are the specs on my motor, maybe that can help with recommendations

350 4 Bolt Main .040 Over
Scat forged I beam rods
Keith Black flat top pistons 4v reliefs
Moly rings
World Sportsman II heads 2.02 valves and 64cc chambers
Edelbrock performer rpm intake
Holley 750 carb
1 7/8 longtube headers
Lunati Bracket Master II Cam 300 duration
Crane Valve springs
Crane roller rockers
Comp Cams double roller timing set

Also I run 93 octane fuel.
 
#10 ·
180° - 195°

In my truck with a with a built 350 SBC, would it be good to run a 195 degree thermostat, and is it likely to cause detonation? I've been reading about how it may run a bit more efficient with a 195 T stat.

Thanks guys.

From experience I tried the 160°, but a 180° or 195° ran smoother and it's better for the oil so it can burn off contaminates , condensation in your oil. Oil likes higher temps anyway.....An efficient radiator will keep a steady temperature that helps too. :)






:)
 
#12 ·
my motor is almost the exact same specs as yours except i run a comp cams thumpr. i have to run 93oct or i get pinging bad. try the hotter t-stat and drill a small hole for bypass. a regular mr gasket should work fine for the experimentation. hotter is more power and if your radiator can keep up you should be happy with the results
 
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