Under those circumstances, I'd sure be looking at the delivery rate of that
pump and/or diameter of the line from the pump to the carb (although the
latter doesn't intuitively seem to be a limiting factor).
That said, it's a long way from that tank and it's a pretty small fuel
line -- has anyone ever looked into this as a basic problem or limitation in
going to the larger throughput engines? I vaguely recall some STOA stuff
from 20+ years ago on the topic, but memory's pretty dim .....
Tony
----- Original Message -----
From: "Kathy and Erich Coiner" <kathy.coiner@gte.net>
To: "Tiger List" <tigers@autox.team.net>
Sent: Saturday, February 15, 2003 8:42 PM
Subject: Not enough go juice for my motor!
I have been battling an intermittent problem for some time now.
When I climb a steep enough hill at high enough speed, it begins missing
like it is running out of gas. Until recently it had only occured on hot
days so I always linked it with vapor lock or something similar.
Well last weekend I took it out on a cool morning and tackled a 3 mile 8%
grade at about 80 mph. The problem happened about 3/4 of the way up the
hill. The engine temp was 200 and I know the gauge is accurate.
I crawled under the car and found a place in the fuel line that had a big
kink.
I thought AHAA! I have found the problem.
Today I bent up a new line and installed it. I took the car out at sundown
today, and it did the same (*)*()#%$% thing. The car was running at 200
again.
Except for this annoyance, the engine runs flawlessly.
It is a 260 with an Edelbrock 500 cfm car and headers.
I am using the stock type fuel pump.
The pump was replaced just before I bought the car in Oct 2001. It was
replaced and then the owner found the root cause of his problem was the
Pertronix igniter going bad.
The only two things I can think to try are to test the fuel pump for flow
rate, and check the carb float level.
Anything ideas?
Erich
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