Oil cooler question

[Bow Tie 67]

Originally Posted by CarlC

I need to pony up for HPTuners so that I can change fan temps. I'm just a cheap SOB for some things.

Carl,

HPTuners can change fan temps, but on the newer Gen 4 ECU's it will take upgrading to the 2bar system, this allows you to put a lower temp value in the table.

If you are using a GMPP Gen 4 ECU then your Sh*t out of luck.

[CarlC]

A cold-air intake system is definately as much, if not more, of an important function. It is not uncommon during the summer months for under-hood air intake temperatures to reach 140*F+. This is a killer for forced induction systems. The 160* coolant thermostat is worth 15-20 ft-lb across the board vs. 195* as a stand-alone modification for my build.

Heat soak of the entire intake system affects intake charge temperatures. So, the lower the intake track temperature, the lower the intake charge temperature. The OE plastic and dry intake manifold helps keep intake charge temperatures low. Mine in all aluminum, so there is more heat soak.

I'm still old-school GENIII so ECM programming is easy. Given the performance of this ancient (in the electronics world) system, and the later model GENIV, it's really hard for me to justify using an aftermarket (GMPP) system with minimal/difficult systems changes available. The aftemarket support for the stock PCM's is fantastic.

[Steve1968LS2]

The guys at Canton made a good point when I spoke with them today. Thier oil t-stat is set at 215-degrees. Why? So that any water (ie moisture) in the oil will burn off.

They said that this is especially true of cars that sit alot (like our cars) and they aren't fond of the lower temp t-stats.

[CarlC]

The hard part is getting the oil to 215*. Unless the coolant thermostat is 195+ and the engine is run hard, it may not get there very often. If the thermostat is a bypass design (MOCAL, CV, etc.) then some oil will always go through the cooler.

[Steve1968LS2]

Originally Posted by CarlC

The hard part is getting the oil to 215*. Unless the coolant thermostat is 195+ and the engine is run hard, it may not get there very often. If the thermostat is a bypass design (MOCAL, CV, etc.) then some oil will always go through the cooler.

Funny.. mine gets there all the time the way I drive.. lol

Around town my oil temp is fine.. it's only when really flogging that it goes up and I need a cooler.

heck, at Optima I think it hit 260-270 with Dave.. the year before (no cooler) it almost hit 300.

To be honest, if you're running synthetic, 215 is a good temp..

[Vegas69]

How many quarts are you running in Penny?

[Steve1968LS2]

Originally Posted by Vegas69

How many quarts are you running in Penny?

That pan is around 6... plus the lines, remote filter and cooler.. so maybe a bit less than 8