Re: HOT air?
Brian Carpenter said:
Could hot air in the engine compartment actually add to the overall engine temp? I relocated my intake higher to beside the master cylinder.. could that be why I regularly run 230 on the trail?
I have already isolated the electric fan so its on allthe time.. i just can't get it to really cool down.
Try a little experiment, feel the air coming out behind the wheel on the drivers side with the aux fan on, then with the fan off. Try the passengers side, the same way, just could be me, but the air exiting the drivers side seems noticably hotter. Could just be thats the side with the exhaust manifold.
The manifold temp. sensor (MAT), is gonna affect fuel to air ratio, with the intake air hot. One of the reasons they put intake in front behind the headlights was to get air as cool as possible.
Eagle is the radiator Guru, tipped me off to look in the bottom of my radiator for built up deposits (used a dental mirror and a flashlight to look in the outlet). They were sure there, way past the point where flush was gonna help much. Like a half pound of near solid deposits. Cut the radiator open out of curiosity, what I found in there was really enlightening, could hardly believe the radiator was working at all.
Fan clutch, has a large affect on low speed cooling, the mechanical fan moves more air than most electric fans do.
Opening the back of the hood, could be a mixed bag, it vents air at low speeds and sucks air at high speeds. Try it, do what I did, tapped some pieces of ribbon near the bottom of the windshield and on the grill by the wipers, went for a drive.
Imagine the amount of the opening in the back of the hood has some influence into how it vents or flows. Might be worthwhile to try different size gaps at the back of the hood.
Don´t do what I did, and cant the hood so much, it wouldn´t open without a whole lot of pressure on the locking mech and cable.
Guys on the modified board say Lebaron hood vents work well.
Venting the hood near the intake for the heater, doesn´t seem like a smart move to me (exhaust manifolds crack often), of course I live in cold country. Heater is pretty darned important and I spend much of the year with the windows rolled up and the heater on full.