View Single Post
Old 01-16-2024, 12:56 AM   #171
Old Henry
Senior Member
 
Old Henry's Avatar
 
Join Date: Oct 2010
Location: Orem, Utah
Posts: 5,762
Default Re: 47 V8 ignition mystery

Quote:
Originally Posted by Jack E/NJ View Post
Craig>>>Again, the engine worked perfect . . . for a very short time before starting to misfire again.


Still might be sticky valve stems after getting warmed up. Try running MMO thru carb & mixed in tank to see what happens.
Quote:
Originally Posted by Old Henry View Post
Will do. Thanks for the reminder.
Today I did it. I added 6 oz. of MMO in the 15 gal. gas tank and filled it up. Then, while idling the engine, I drizzled 4 oz. of MMO into the carburetor - both sides. I was hoping there would be some improvement in the 30 miles I drove after that. I thought I sensed some smoothing out at times but not lasting. If my engine stumbling problem is from a sticky valve, hopefully the MMO will fix it and I'll be able to put Old Henry down for his 2 year nap knowing that he'll sleep peacefully.
__________________
Prof. Henry (The Roaming Gnome)
"It is good to have an end to journey toward; but it is the journey that matters, in the end.” *Ursula K. Le Guin in The Left Hand of Darkness
Old Henry is offline   Reply With Quote