Dale,
I will check which rotor was used. Do you think the problem could be a
cloged fuel trap in the vacuum lines which may cause a problem with vacuum
advance? I feel like fuel is also a problem because it will not idle when
cold without a good dose of throtle. When it warms up, it idles a bit rough
but it is fine. My wife also said she saw some white smoke (very small
amount) at times when I was driving at freeway speeds. This could be when
the motor misses. I will let everyone know what I find out. The car is at
the upholstery shop for the next two weeks but when I drive it home, I will
see what I can do.
Kyle.
At 01:58 PM 6/10/00 -0700, you wrote:
> Kyle
>
> After reading this a couple of times, and Dick's
>reply, two things come to mind.
>
> First: You stated that you have a Crane ignition
>system in your car. In my case there were two optic
>window rotors. One with a curved opening and the other
>with a straight limited opening. If you have used the
>curved one it gives a spark bounce at various rpm's.
>This may be your problem, if you have use this rotor.
>Change to the straight one and see if there is a
>difference.
>
> Second: It also sound like it could be a vacuum
>leak. If you have a can of ether, with a tube nozzle
>from a can of WD-40, that you can direct the spray to
>areas such as the intake manifold and the carb
>mounting points to see if there is an increase in
>engine rpm's. Have a fire extinguisher available and
>do not do this with a hot motor.
>
> Like Dick said try the simple things first before
>you go buying a bunch of parts. Keep the list posted
>on your progress.
>
> Dale
>
>
>--- "Kyle K. Rice" <kkrice@earthlink.net> wrote:
>> Everyone,
>>
>> I have a high rpm miss on my 74 TR6. At about 45-70
>> mph, there is a slight
>> miss which occures at random times but occures
>> often. I am not sure where
>> to start looking. Could this be caused by the
>> carbs, ignition, exaust leak,
>> intake leak, vacume leak, electrical, timing, ???
>> The engine is newly
>> rebuilt as are the carbs. It passed smog in
>> California with flying colors.
>> The car has the following:
>>
>> crane elec. ignition
>> sport exaust
>> Good Parts ram air air cleaner
>> all new hoses including vacume hoses
>> British Parts Nortwest mild cam
>> Rebuilt head with valve seals
>>
>> The car starts fine with the choke on but will not
>> idle with out me pressing
>> on the gas pedal. Once it warms up, it idles around
>> 800 but kind of rough.
>>
>> Can anyone give some insight on the possible cause
>> and cure.
>>
>> Thanks Kyle
>>
>> Kyle Rice
>> kkrice@earthlink.net
>>
>
>
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