TR3 Idles Too High

[Jeff.A.Williamson@jci.com]

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                                                                   Subject:
                                                  TR3 Idles Too High
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I've recently rebuilt the engine and re-installed the original H6 carbs.
Other than the big-bore kit, the guts of the engine are all stock. I can't
seem to get the engine to idle at less than 1800 RPMs. I've disconnected
the throttle linkage and backed the idle screws and choke cam screw all the
way out. If I twist hard on the throttle shaft, I can get the idle down to
about 800 RPMs, but as soon as I let go, it revs back up again.  While the
throttle shaft bushings are suspect, if air was passing through them,
wouldn't this cause the engine to idle too low? Before I rip into the carbs
and check the throttle plates, any ideas?

Jeff Williamson
Belleville, MI
'60 TR3A
'58 TR3A
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