At a loss......

[rubio9800]

Same, my skillset is I.T. more than being a mechanic.

But tbh, you can rule out a fusible link. Because those WILL burn up, if there is too much current flowing into them.

From what I've gathered so far, your vehicle has the engine shut off, after running for a bit of time.

To me, that seems like either the following.

1. Grounding issue.
2. Distributor issue.
3. Fuel issue.

However, given the fact your voltages are spiking, it's a good idea to check your grounds like I said, but also your wiring harness too. Shorts can cause issues like that.

And also, check your fusebox, for bad contacts and fuses. Now do you see anything labelled ECM or BCM there?

If so, you may want to disconnect the computer completely and use a distributor that isn't dependent on the CCC.

i did check all the fuses when i first got the car, could definitely do it again. on the distributor ive changed ignition coil/cap/rotor/ignition module.
what else is left as part of a distributor? pickup coil and shaft?

i did IT awhile ago for an adult school district, teachers didn't believe i was there to fix stuff and thought i was a student lol

i'm in cyber security now

 

[rubio9800]

I'd say try another coil since I didn't notice that you said it was replaced. With the fuel side also check for kinks in the line too. When I first put my '72 Monte together back in the '90's I put a too long rubber line at the gas tank that ended up starving the carb when I put my foot in it causing it to stall due to a kink in that line.

i can try another coil, that would be an easy one to test again. Fuel lines that may need some pro help on.
ill report back

 

[Clone TIE Pilot]

A possible issue is that the replacement parts are sub standard quality, a increasingly common problem with old cars. Anymore I try to only use name brand parts but even that isn't a guarantee the parts are good. Auto store tests are not reliable.

 

[mikester]

i can try another coil, that would be an easy one to test again. Fuel lines that may need some pro help on.
ill report back

You said you changed the fuel filter. Where is it located on your car ? Is it before the fuel pump and fed from the line coming out of the frame ? If it is, did you kink the rubber fuel line when you put it in ? Sounds crazy but Ive seen people do that.

 

[rubio9800]

You said you changed the fuel filter. Where is it located on your car ? Is it before the fuel pump and fed from the line coming out of the frame ? If it is, did you kink the rubber fuel line when you put it in ? Sounds crazy but Ive seen people do that.

i changed the one that’s in front of carburetor , tube shaped. is there another ? may not be explaining myself correctly

 

[rubio9800]

A possible issue is that the replacement parts are sub standard quality, a increasingly common problem with old cars. Anymore I try to only use name brand parts but even that isn't a guarantee the parts are good. Auto store tests are not reliable.

i bought Standard blue streak rotor/cap/coil
i agree def not a guarantee

 

[mikester]

i changed the one that’s in front of carburetor , tube shaped. is there another ?

Some folks run a metal canister filter in front of the fuel pump but you would know it if you had one

 

[rubio9800]

Some folks run a metal canister filter in front of the fuel pump but you would know it if you had one

looks like this the one i changed

 

[mr evil]

looks like this the one i changed

Make sure its in right way around, I'm pretty sure its position specific...

 

[rubio9800]

Make sure its in right way around, I'm pretty sure its position specific...

pretty sure it was , i remember staring hard at the service book