Attempt at lowering engine bay temps

[wed3k]

I have a reason to believe that the heat in the engine bay is killing the electrical modules. So far in 5 years, ive gone through 3 ICM's, one coil and one fuel injector resistor box.

car runs good, never overheats and fan comes on every once in a while so i know it works.

Suggestions:
-lower thermo fan switch
-isolating the coil away from the distributor ie: going to external coil
-running a vent tube to cool the distributor
-hood stand off (i know a lot of people dont like this but i guess it is better than being on the side of the highway with a no start)
-custom phenolic gasket for the distributor

[bcjammerx]

vents in the bumper coupled with vents in the hood? could custom do them

*sigh...or do the hood mod...would be faster/easier and effective

custom "soda can" heat shields maybe?

move electrical boxes?

I know...re-connect a/c...run all a/c vents into engine bay to blow on boxes

[accordztech]

I have a reason to believe that the heat in the engine bay is killing the electrical modules. So far in 5 years, ive gone through 3 ICM's, one coil and one fuel injector resistor box.

car runs good, never overheats and fan comes on every once in a while so i know it works.

Suggestions:
-lower thermo fan switch
-isolating the coil away from the distributor ie: going to external coil
-running a vent tube to cool the distributor
-hood stand off (i know a lot of people dont like this but i guess it is better than being on the side of the highway with a no start)
-custom phenolic gasket for the distributor

Just convert it to an external aftermarket coil blaster, easier and everything. They are only 30 bucks. All your worries go away.

[wed3k]

yea im about to do that, just need a couple more dollars. (trying to get tires at the same time doesnt help)

[93.4dr.22A1]

92-93 comes with external coil right, i know my lx has one. But if we went to a MSD blaster coil, we would still need the ICM right?

[wed3k]

lol, any car needs an ICM otherwise it wouldnt know when to fire.

[93.4dr.22A1]

thats what i figured, just wondering how changing the coil, will help anything in this scenario, other than having a better coil, that might hold up to the heat better than oem

[Shag Wagon]

Have you tried wrapping up the exhaust manifold/header? Thats the number one cause of heat in the engine bay.

[Shadow1]

putting on a header wrap does help with under hood temps. i pop the hood after a run and theres a CRAP load less heat coming from under there. i think i can actually feel the car accelerate smoother after i wrapped it.

[accordztech]

92-93 comes with external coil right, i know my lx has one. But if we went to a MSD blaster coil, we would still need the ICM right?

kinda, the crank sensor sends a signal to the ICM to turn off and then fire its secondarys.

basically if you do the external style or a add on coil, it will be the same thing. It will recieve a signal and when the signal shuts off it will shoot a spark to the spark plugs.

Getting it out from under there and mounting a new one will help him, even though I never had the issue myself unless he is using cheaper non oem ICMs.

[Sarthos]

header wrap or hood stand off or both.

[foamypirate]

One important thing that people often forget is the thermal paste that goes between the distributor housing and the ICM. It's exactly like a CPU and a heatsink, it needs a good transfer medium to fill in the gaps. This helps cool the ICM. Most people I know that have replaced ICMs neglect to use the paste included with it. I'm 99% sure that this leads to an earlier failure of the unit.

[zack_odom]

The hood standoff is fine with me, it actually serves a purpose.
Maybe you could wrap your icm with something?? Im not sure, I wonder why its so hot under your hood versus like mine?

[minoreparations]

get a 10 or 12" slim fan and hook it up to a switch. it will make a big difference.

[mj213]

Yes - wrapping the header drastically lowered engine bay temps for me.