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Ea-81 Overheating ??
Posted 28 August 2003 - 04:02 PM
I have an EA-81 with auto transaxle in my trike.
on a hot day at 55 to 60 MPH for just a few minutes the temp rises from what I call "normal" 210 F. to 230 F.
when I slow it down to 35 - 40 .
It takes it a while to cool down to 210
Will an oil cooler help ?
Posted 28 August 2003 - 04:09 PM
as far as the oil cooler helping, it's been nasty hot here in Iowa this summer, and all of my soobs have been riding a little warmer than normal, except for 1. andf the is my 84 Turbo Brat, which actually has a double oil cooler on it.... I'm not sure how it's plumbed yet, but it's been staying cool all summer....
Posted 28 August 2003 - 04:09 PM
Posted 28 August 2003 - 04:44 PM
everything else is in good shape
Thermostat, - Stock
radiator- good used "afternmarket"
fan, blowing thru the radiator
( rear to front)
fan thermo switch- none ( always on)
coolant mix more then 50% antifreeze
hoses - all new, but long
You really need to get a look .
go to tell
What you see to the left of rad is tranny cooler
Posted 28 August 2003 - 04:52 PM
I think at 60mph you're gonna have competing airflow. How about just wiring the fan up backwards to see what difference it makes? It would be even better to mount the fan backwards so the veins pull more effeciently.
At slow speeds, I'm sure the airflow is easily overcome by the fan, but it seems that >50mph, you're probably driving the fan backwards as it is...
Posted 28 August 2003 - 06:07 PM
Posted 28 August 2003 - 08:36 PM
I tried to turn the fan in the other direction, but air flow is not good "thru" the radiator with the fan going that way.
( fan pitch wrong)
I never thought of taking the fan off and
turning the blades around, if that's possable.
Now back to the oil cooler question, would that work, or would it possably cause a problem, running the oil to cool ??
What IS nornal temp. anyhow, maybe I'm making to much out of nothing.
Posted 28 August 2003 - 09:01 PM
Posted 30 August 2003 - 11:11 PM
Posted 30 August 2003 - 11:55 PM
If it's an airflow problem and you can't fix it, how about a lower temp. thermostat? Or a double-row radiator? Assuming you don't already have one. Not sure how much help that fan is on the back like that. It looks like you might need some kind of small scoop underneath to pull up air from below, and onto your radiator. Or maybe some side scoops? More potent fan maybe?
Good luck, the trike looks cool.
Man, those old VW's didn't have to worry about this. They had it easy.
Posted 31 August 2003 - 12:14 AM
By the way, that trike looks sweeeeeeeeeeeet!
Posted 31 August 2003 - 12:24 AM
Posted 31 August 2003 - 12:38 AM
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