[Spridgets] Bugeye/Frogeye Club..... Racer guys Engine help
Lester
oldsaabguy at comcast.net
Sun Jul 6 08:36:13 MDT 2014
Dave, Ya know, that is my current thinking as well. I have been eliminating
potential problems and this is a very real possibility..
Ron.. I would hate to ruin a friendship by having someone come to Louisiana in
the Summer on purpose. ;-) But thanks for the thought!
Lester
..and all the vacuum fittings were removed from the carbs and intake
manifold..
On Jul 6, 2014, at 7:35 AM, dave at race-cardrivers.com [bugeye] wrote:
> Lester asked
>
>
>
> " and what are the symptoms of a cam that has been installed incorrectly?
"
>
>
> " No, I haven't done the vacuum testing yet as the car won't idle worth a
damn. "
>
> Cam must be installed with the timing correctly set. Your cam timing may be
off a tooth.
> Symptons will be similar to some of the ones below
> .
> More likely, you have too much cam for the application you are running the
motor
>
> Too much cam means it is designed to open the the intake valve EARLIER
...(among other things)
>
> This results in requiring a very high idle ............
>
> symptoms are :
>
> 1) backfiring through carbs....
> 2) poor or NO slow idle
> 3) little or no vacuum at slow rpm's
>
> a quick check with a vacuum gauge would identify this very easily
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