When my Sprite with SUs did that, I found it was running only on one of them.
So my
vote is for carburation even though your setup is way different than mine.
After
all, compression, spark and fuel are all you need.
Dbcooper292@aol.com wrote:
> Thanks for all the suggestions, can I update you on where we stand and get
> your thoughts?
>
> The car starts and idles pretty well, sounds 'cammy' but other than that
> fine, exhaust doesn't seem black or anything, temp seems normal. When I try
>to
> drive it I can get the clutch out maybe the first time and give it a little
>gas
> but after that it won't take any load at all, like it might drive DOWN my
> gently sloping driveway but not up. Just kind of dies and stumbles and
>sometimes
> you can keep it running by feathering the accelerator, sometimes you can't and
> once it's started it keeps getting worse and worse but will idle. A couple
> notes:
>
> It seems to start with very little choke, but does need some little bit of
> it.
>
> I could only get the timing to about 15 btdc, it idles happily at what must
> be 25 or so but I can't get anywhere near 8. Doesn't seem to handle a load
> better at any one timing setting.
>
> I can suck on the vacuum line and see the advance move a little, I can't suck
> it all the way through its field but I can move it through by hand.
>
> The fuel regulator is off because it was broken, so now an electric fuel pump
> straight through filter to weber.
>
> I changed the plugs, no diff. Plugs were darker than nut brown, a little
> black but basically clean and not wet.
>
> I haven't tried the alignment adjustments one the crane system yet, this
> problem seemed more basic than that but maybe not.
>
> I don't know what jet is in my carb it was used and came off a similarly set
> up motor so it seems like it would be hard for it to be so extremely far off.
>
> Penny or more for your thoughts and Happy Birthday America!
>
> Mark M.
>
> PS The good news is it sounds so badass at idle I can leave messages on my
> friends' voicemails, so that's cool.
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