1984 Nissan Truck Need help before my foot goes through the

FORDTRUCKTATER

MEMBER
1984 NISSAN TRUCK
4 CYL
4WD
MANUAL
152,000 MILES

I got this truck last year for 150$ and it needed a new motor and transmission. Put a new motor, trans, and clutch in it. Now about 10,000 miles later I have a big problem. In the past month, Ive went through 8 coils. The truck has a Weber racing carb on it. You can drive it for a few miles and the coils overheat and its like youre driving down the road and youre cutting the ignition switch on and off. Push in the clutch and floor it it might go to 5k and start back firing. Then evntually it will die and wont crank back untillit cools off. Got any help? Its not vaporlocking or has any fuel delivery issues. I have switched distributors and ignition switches even straight wired it to no avail. Does anybody know whats wrong?

2 Replies

BLACKOP555

MECHANIC
10,371 POSTS

Try moving the coil to a new location that gets air flow instead of wehre all the heat is, you may have a bad spark plug wire causing too much resistance and making the coil work too hard and burning out, do you put the heat disepating gel on it before installation? Try a oem right from the dealership coil.

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Wednesday, August 13th, 2008 AT 2:41 PM

FORDTRUCKTATER

MEMBER
12 POSTS

Thanks I checked the wires with a multimeter, all were under 30k ohms, in factory specs and I cleaned the plugs, but still it is doing it. Earlier, I took the hood off to see if that would help but it doesnt, something does have too much resistance and is causing to coils to break down inside. I had someone tell me that if I put rubber over it such as the redneck way, a condom, it would prevent it from arcing to ground, but it didnt help. The coils are OEM.

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Wednesday, August 13th, 2008 AT 4:06 PM