Ace

After reading Greg's amusing comment about the "evil useless" smoke screw, I decided to have another stab at the VE. So it only went in another half turn before it seemed to bottom/bind. Is it possible my recall pump came installed turned up close to full already?

It is still showing a thread count of about six threads outside the locknut. What does this sound/look like to you?

dpuckett

Sounds like my mom's 184 pump. I had it set up to 100cc when I got it rebuilt, and I turned it in a little more (transmission warranty issues), and only got 2more turns.

Daniel

dieselJon

take the screw out, add a weld about a 1/8" more to the end, round it off, then turn it back in.

HTH

Jon

Ace

How does this do anything if it's already bottoming out with plenty of threads left to turn?

gomerpile

could just be threads binding, really good

Ace

Nope. Had the screw out when I removed the lock collar and chased them with that same nut. Those threads were clean and good to go when I put it back in.

It still puffs a big dense black cloud down low if I get into it at all before boost builds, even with the smoke screw all the way out flush with the housing now. I suspect that full fuel screw is just already maxed the way it is. Maybe that also explains the dramatic improvement it had after I put in the 366 spring and turned the fuel pin.

Any more ideas?

edwinsmith

I wonder if the adjusting of the govenor shaft would make a difference. The pump would need to come off but backing this screw out some would allow more travel of the lever.

Edwin

dieselJon

When it starts binding, the most likely thing is the o-ring moving to the end of the bore. Adding a 1/8" will move the o-ring back, thus giving more threads to turn in.