Thanks for those off-list replies.
I now know that a 1098 can run mostly on just the front carburetor, and that
before one opens the bowl and pulls out the jet, he should verify how far the
jets are turned out. In my case, the front was 28 flats out, and the rear was
at 13. So now, with the carburetors balanced and properly adjusted, both are
about 20 or so. Still have some tweaking to do, after some distributor issues
are addressed (the one on the engine has no vacuum advance chamber, so I'm not
sure where initial timing should be set) I'll try some more. Oh, and after
crawling under the nose with my timing light, I discovered there is no timing
mark on the pulley. I painted a new on on the timing chain cover and a
corresponding one on the pulley, using a dial indicator down #1 spark plug hole
to find TDC.
This was the car I wasn't supposed to have to do much to. I never learn.
"J. Juhas" wrote:
> When I lift the piston on the rear carburetor on my 1098 Sprite, the
> idle does not change at all, even if I lift it wide open. No amount of
> turning the jet changes this condition. When I open the throttle, the
> piston lifts like it should. Surprisingly, the car runs reasonably
> well.
>
> This has to mean there is no fuel flow to or through the rear
> carburetor, right? And all the fuel is being supplied only through the
> front one. I wouldn't have thought it would run as well as it does.
>
> No chance to pursue this until tomorrow or Saturday.
>
> Jim
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