
RE: AFB carb problem
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RE: AFB carb problem
- From: Earl Helm <earlh@xxxxxxxxxxxxxx>
- Date: Wed, 5 May 2004 08:32:47 -0600
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Brian,
I am sure the guy who did your carbs is good, BUT don't be afraid to
work on your own carbs. I was afraid of carbs until I was about 30
and one day out of frustration and being broke, I got the directions,
and the shop manual - read it a couple of times, took a deep breath,
and tore that puppy apart. I found out want was wrong and fixed it.
I learned how to tune carbs, it is not rocket science, it is the same
for
a motor cycle or a duel carb max wedge car. Now I hate it, I am the
guy people come to for help lining out their carbs. The first step to
learn
is this - and don't ever forget it - when it is not working - put it
back to
stock factory specs and start from there. With that theory you will
never
go wrong. The cool thing about that is, the factory specs are in the
manual. This starting point has never failed me. I can't tell you how
many
times guys have brought their car or motorcycle over with messed up
carbs with this famous statement - I have done everything so it must
be this problem - My answer is well why didn't you fix that? From that
point on I don't listen to a word they say, and put the carb back to
stock.
Guess what - 99.9 percent of the time it works perfect. These guys who
design carbs and cars know what they are doing. So jump in and learn
something about carbs, just don't tell your friends.
Earl
I just installed a pair of professionally restored 625 cfm carbs on my
Max Wedge. When I shut off the engine gas seeps across the tops of the
accelerator pump squirters and across the top of each secondary venturi.
The gas puddles 1/8" - 3/16" in the carb body under the counter
weights for the secondaries. I'm running the Mopar / Carter race fuel
pump. I thought maybe the 8 psi was too much for the floats to handle,
because that's the problem I had with the Edelbrock 750 that was on my
old 413. Last night I installed the fuel pressure regulator from the
413 and set it at 5.5 psi. Same problem when I shut off the engine
after running it for just 10 minutes. I'm thinking that the float level
is too high, but I'm reluctant to tear down 2 beautiful carbs on just a
hunch. Has anyone had similar problems?
Brian
'64 Belvedere
Woodstock, IL.
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