James,
Have you checked to see if the breaker plate in your distributor is still
grounded? Running electronic ignition? -- my Unilite distributor had
wiring that came very close to the "shutter" wheel and the wiring's
insulation became chafed.
The list seems pretty quiet on this one.
Duncan
----- Original Message -----
From: "James Barrett" <jamesbrt@mindspring.com>
To: <tigers@autox.team.net>
Sent: Thursday, March 10, 1994 5:44 PM
Subject: Missing
> Folks,
> Another wierd problem. I drove all the way and back across
Florida
> Friday.
> About 330 miles. On the way back I started having problems. I could
accelerate
> fine, say from 55 to 80 or 90 when passing a car or truck, but when I let
off
> the motor would miss as if I were running out of gas. The missing would
> occur for
> about a mile or 2 before it smoothed out. The Tack, an after market
> AutoMeter, appeared to hold dead steady at the RPM I was at, but I could
see
> some
> variation in the Amp Gauge when the missing occured. I tried this several
times
> and the Tiger was very consistant in the missing. i.e. Accelerate OK and
> then have
> missing as I dropped down back to around 72 MPH, my crusing speed. I
filled my
> fuel cell In Tampa, so I was no where near running out of gas. I can hear
> the fuel
> pump running and noticed no difference in the normal sound. The Tiger ran
> perfect
> on the way West at up to 95 MPH for a few passing blasts, just not good on
> the way back.
> The missing seemed to be mostly at around 2700 rpm.
>
> What I am running: 351C 4 barrel 1970 closed chamber heads. Flat
> top pistons,
> Slightly hotter Crane cam, Crane High Intensity lifters ( igh leakdown
knock
> off of Roade
> Lifters, Harland Sharp roller rockers, 21 Gallon Fuel cell, Holly Red
fuel
> pump,
> AN fittings and #8 SS braded fuel lines feeding into a 3/8" ID fuel line.
> A late model fuel filter with 3/8" I/O can (designed for fuel injection
> pressure)
> near the carb. A 650 double pumper Holly on an Edelbrock 4 barrel
Cleveland
> intake
> manafold. C4 automatic transmission and still have 2.88 gears with
23560-15
> tires
> on the rear. An MSD 6AL,Stock late model magnetic Ford Distributor with a
> conversion
> to the big Blue distributor Cap and fairly new Plug wires provide the
spark.
>
> No sign of a gas leak anywhere. Air Filter is not completely
clean.
> Highest temperature on the trip was about 90 to 95 degrees C. ( About
1/8" to
> 3/16" past the 85 degree C mark on my temperature gauge. Coolent OK and
full
> when I got back. Oil at proper level.
>
> Plan to replace the fuel filter first,, in case it is clogged;
however
> I do not think this will help, as the Fuel cell is fairly new.
>
>
>
>
> James Barrett Tiger II 351C and others
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