Hello Steve - Have been mulling over you prob and think I would try to
isolate circumstances when it occurs.
We know it occurs on inclines under load. I would see if it happens on
inclines while stopped. I would park on an incline and see what happens at
idle, 3,000rpm, and 5,000rpm. If yes, probably fuel related. (note probably)
If no, could possibly be something else (as Greg suggested) or electrical.
Like even loss of a good ground on an incline could be a factor.
Wish I could help; hands on the car, as I am used to...
Keep in touch. And check the float levels.
Rob
On 8/26/08, Steve Lehmann <sand@frii.com> wrote:
>
> here,s what i get sometimes-
> seems like ether front or rear carb runs out of fuel on steep uphill
> climps-
> it will return to normal soon as going downhill or level ground-
> it will do this no matter what r.p.m.
> sounds and feels like it has dropped to 2 cyls-
> if you lift off a floored pedel it for just a quick second will hit all 4
> but
> then just go back to 2 (of course a great r.p.m. loss and drop to lower
> gear.
>
> could rear carb be getting overfilled (reset float lower)-or maybe front
> carb
> get,s low ???
> typical duel su carb setup-(tr4-a)
>
> it on rare ocashions will do this on flat freeways but then by itself
> return
> to normal.
>
> (flat freeways means 5,000 ft. elev-
> mountain climbs mean 9,000-11,700 elev.)
>
> car also on mountain climbs likes to shoot up and run abought 200-205 deg
> F.
> cools right back down after summits.
>
> on climbs i retard timeing back to maybe 0-2 deg b.t.d.c.
> cooling system is clean-160 deg stat. and 50-50 mix.
> never has boiled over.
> runs a big elect. fan.
>
> never could figure out this part time carburator.
> ill take ideas-
> thanks- steve.
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