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Carbureted 13B won't climb above idle

Old 05-19-17, 06:03 AM
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Carbureted 13B won't climb above idle

1974 13B Rotary Pickup (fresh motor pro built - not by me) street ported, 1982 electronic distributor, side draft Dellorto. Cranks and idles great but won't run above 1600 RPM.Carb rebuilt, no clogs, float adjusted, no vacuum leaks, tried running it on a fuel bottle, no changes. Timing is set to factory, fresh plugs, wires, coils, no change. Tried adding starter fluid while idling and it stalls, I was told this eliminates fuel issues and points to ignition.

Any thoughts?
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Old 05-19-17, 07:36 PM
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if you go to give it gas and it falls on its face it is probably the accelerator pump not working?
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