160 thermostat or 180 thermostat???

[1990GMCSIERRA]

it ran great but my fuel gauge went from / to \ in no time i was like **** this

 

[FastOrange]

Stock TBI Tune- 195
Tuned TBI- 160 or 180
Carb- 160 or 180

 

[frito-bandito]

What about the 96up Vortecs? What temp would be the best choice?

 

[1990GMCSIERRA]

id say 180 imo

 

[Swaggerwagon]

I run a 160 in summer...180 in winter.....

 

[FastOrange]

What about the 96up Vortecs? What temp would be the best choice?

Stock tune?

195.

 

[4x4chevy]

I am running the 160 now so far so good,just looked at the plugs none are flawing out and runs pretty dam good.Am just wanting on the stage 2 chip to come in and its over.

 

[Fleeingpepper]

I've heard you can run the hottest thermostat you can as long as the engine doesn't knock..I like 195.

 

[FastOrange]

I am running the 160 now so far so good,just looked at the plugs none are flawing out and runs pretty dam good.Am just wanting on the stage 2 chip to come in and its over.

Please tell me its not a Hyperjunk.

 

[4x4chevy]

No its the jet stage two chip and also trying to get these mid lenght headers off ebay for cheap.