Before you go through all the fuel and ignition possibilities, make sure
the valve lash is correct. Having that gap set wrong can masquerade as all
kinds of problems.
Chris Kotting
ckotting@iwaynet.net
At 10:16 PM 8/31/98 EDT, FlynShoot@aol.com wrote:
>I have a very curious problem w/my 77B. I have a Weber DGV carb, new fuel
>pump, fuel pressure regulator, Peco exhaust, Crane electronic ignition and
>Crane coil.
>
>The car starts immediately and runs beautifully. If I drive somewhere,
turn
>the car off and have lunch, when I get back in it starts immediately but
does
>strange things. The car hesitates backfires and generally runs bad at
light
>throttle. When I give it more gas it usually backfires and springs to
life.
>>From a dead stop and when there is a load on the engine, it behaves well.
When
>cruising at a constant throttle or at light throttle, the engine
misbehaves.
>The problem is definitely throttle position sensitive.
>
>I have changed the fuel filter, adjusted the floats in the carb, installed
a
>fuel pressure regulator, changed the Crane ignition (but not the optical
>sensor), and changed my fuel pump. The timing is dead on, valves properly
>adjusted, and all new distrib. cap, rotor, wires, plugs.
>
>I am at my wits end.
>
>Does anyone have any ideas?
>
>DCS
>
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