vinhvinny
Member
- 43
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- Location
- atlanta GA
After a few months of good running engine, now it starts having problems: when I press the gas pedal my Mutt hesitates, sputters only after it gets hot (after about 10 minutes of running.)
I figured this was a classic case bad ignition coil, so I ordered a new coil (Taiwanese chrome New Star) but it behaves just the same! exactly at about 10 mins running, the engine can't rev up, sputters. PLEASE SEE VIDEO: https://youtu.be/28p0JHwYs-o
Please also note that, even when it is hot and behaves like so, I can restart it very easily--first try--after a quick shut down.
And I went further to test to see if it is the coil: while the engine is hot and sputter like that, with the help of my wife, we opened up the distributor and put the old cool USGI coil in in LESS THAN 3 minutes. Fire up, It still sputters.
Furthermore, after cooling down the chrome New Star coil real good, I ran the USGI coil til the engine sputters again and swap it: same problem!
I also inspected that the vacuum line to cool the coil down works.
So I know for sure something else does not work properly when it gets hot. Not the coil.
Again, when the truck starts from cold it runs like a charm with no issues but after about 10 mins or so here comes the hiccup
Could it be the new solid state electronic ignition kit that I just replaced? (Taiwanese New Star also.)
The New spark plugs still look good:
The accelerated pump diaphragm appears to be good, and put back as in the picture below:
Engine temperature at 170 measured by coolant in radiator.
Fuel pump and flow is visually fine judging by the clear filter--alway in full supply.
Can y'all help me figure out what could possible cause that sputtering when engine is hot?
I've got a cool M60 machine gun mounted on it, now it can't run.
I've done following repairs/replacement:
. Carb rebuilt
. Correct gas tank cap/gas tank cleaned.
. New Solid State Electronic Ignition Kit by Taiwanese New Star here:
.Timing is corrected, at 6* BTDC
Thank you so much.
Gratefully Yours,
vinny
VIDEO:
https://youtu.be/28p0JHwYs-o
I figured this was a classic case bad ignition coil, so I ordered a new coil (Taiwanese chrome New Star) but it behaves just the same! exactly at about 10 mins running, the engine can't rev up, sputters. PLEASE SEE VIDEO: https://youtu.be/28p0JHwYs-o
Please also note that, even when it is hot and behaves like so, I can restart it very easily--first try--after a quick shut down.
And I went further to test to see if it is the coil: while the engine is hot and sputter like that, with the help of my wife, we opened up the distributor and put the old cool USGI coil in in LESS THAN 3 minutes. Fire up, It still sputters.
Furthermore, after cooling down the chrome New Star coil real good, I ran the USGI coil til the engine sputters again and swap it: same problem!
I also inspected that the vacuum line to cool the coil down works.
So I know for sure something else does not work properly when it gets hot. Not the coil.
Again, when the truck starts from cold it runs like a charm with no issues but after about 10 mins or so here comes the hiccup
Could it be the new solid state electronic ignition kit that I just replaced? (Taiwanese New Star also.)
The New spark plugs still look good:
The accelerated pump diaphragm appears to be good, and put back as in the picture below:
Engine temperature at 170 measured by coolant in radiator.
Fuel pump and flow is visually fine judging by the clear filter--alway in full supply.
Can y'all help me figure out what could possible cause that sputtering when engine is hot?
I've got a cool M60 machine gun mounted on it, now it can't run.
I've done following repairs/replacement:
. Carb rebuilt
. Correct gas tank cap/gas tank cleaned.
. New Solid State Electronic Ignition Kit by Taiwanese New Star here:
.Timing is corrected, at 6* BTDC
Thank you so much.
Gratefully Yours,
vinny
VIDEO:
https://youtu.be/28p0JHwYs-o