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Subject: perf-list Digest V2000 #174
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perf-list Digest Mon, 20 Nov 2000 Volume: 2000  Issue: 174

In This Issue:
Re: (slightly) modified 302
Re: (slightly) modified 302
aluminum welding

----------------------------------------------------------------------

From: "George Davila" <mega55 lv.rmci.net>
Subject: Re: (slightly) modified 302
Date: Mon, 20 Nov 2000 11:12:08 -0800

I had a similar problem drive me crazier on a 460 a couple of years ago. It
was a new Edlebrock 750. Turned out that the base casting of the carb had a
hairline fracture. Not enough to be visually apparent but it did cause low
vacuum readings and defied idle adjustments. I discovered my problem (after
replacing the intake manifold gaskets and what few vacuum lines a tree
served) by trying another carb. Edelbrock did eventually replace the carb.
I've had four different Edlebrock 750s, manual and electric chokes, and
found them (with that one exception) to be pretty much plug and play with
zero maintenance problems. I do have all the available metering rods and
jets but seldom find it necessary to go more than one or two steps from
Edelbrocks baseline. This is naturally aspirated at 2-3,000'.

Maybe try another carb as a comparison?

George

-----Original Message-----
From: perf-list-bounce ford-trucks.com
[mailto:perf-list-bounce ford-trucks.com]On Behalf Of N. R. Armstrong

Thanks to Shane and Kevin for their input.

Shane, the carb was purchased new, and, yes, the plug is installed in the
back of the carb (I double checked just to be sure), but I am in fact
running less than 17" according to my vacuum gauge. I have disconnected and
plugged all vacuum accessories and still am around 15.5". The intake
manifold is new as well, and I don't find any leaks at any gaskets, so. . .
hmmm???

Kevin, the idle mix was adjusted according to Edelbrock's directions.  I
didn't get a chance to tinker with it any more this weekend, but will try
your suggestion re: less advance at idle & adjusting the curve. That could
be contributing to the problem. As with most of these drivablility problems,
I expect it is a combination of factors.

I'll continue to chase this down; I appreciate your suggestions.

Neal




------------------------------

Date: Tue, 21 Nov 2000 10:00:01 -0800 (PST)
From: shane san miguel <v8pinto yahoo.com>
Subject: Re: (slightly) modified 302

15.5" of vaccuum sounds cool.  Not too low at all.  I'd proceed with
the tuning.....  Let me know how it turns out!


--- "N. R. Armstrong" <sundvl76 hotmail.com> wrote:
> Thanks to Shane and Kevin for their input.
>
> Shane, the carb was purchased new, and, yes, the plug is installed in
> the
> back of the carb (I double checked just to be sure), but I am in fact
>
> running less than 17" according to my vacuum gauge. I have
> disconnected and
> plugged all vacuum accessories and still am around 15.5". The intake
> manifold is new as well, and I don't find any leaks at any gaskets,
> so. . .
> hmmm???
>
> Kevin, the idle mix was adjusted according to Edelbrock's directions.
>  I
> didn't get a chance to tinker with it any more this weekend, but will
> try
> your suggestion re: less advance at idle & adjusting the curve. That
> could
> be contributing to the problem. As with most of these drivablility
> problems,
> I expect it is a combination of factors.
>
> I'll continue to chase this down; I appreciate your suggestions.
>
> Neal
>
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------------------------------

Date: Thu, 23 Nov 2000 12:57:52 -0800
From: scott <scott ford-trucks.com>
Subject: aluminum welding

Has anyone tried "welding"aluminum with a propane torch and aluminum
rods?
I have seen a few guys selling kits with different rods,instructions
etc.at swap meets and I even saw a infomecial for a kit.
It appears to be more like soldering,brazing or sweating than true
welding.
but it seemed to be a stromg bond.

------------------------------

End of perf-list Digest V2000 #174
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