Oh yeah, the exposure to salt thing concerns me. It's a one wire GM, and will
be mounted just to the left and above the pinion. The car has a step pan,
which of course, ends just ahead of the pinion location. That leaves the
alternator tucked well up above the end of the step pan. I will also put an
aluminum shield, similar to a head shield underneath the alternator to shield
it from salt, but that will not completely seal it off. I figure there
shouldn't be that much salt right there in the center of the car, especially a
foot above the end of the step pan. The rear end only has about three inches
of movement, and I may try to enclose the alternator in a box fastened to the
trunk bulkhead, with only a slot for the belt to pass through. That will be
determined as the pieces come together and if that seems practical or not.
Dick J
James Tone <gmc6power@earthlink.net> wrote:
Since this obviously a race car? I'll give my 2 cents; if its a single wire
my experience with them is they need to be "spiked" by reving up the engine,
in my case to over 4000. This can't be done with a drive shaft mount until
some predetemind drive shaft speed is met(might be 2nd or 3rd gear before it
works). I also ran that Summit called their "circle track" which was much
larger than stock. This slowed the alternater by about 1/2. Worked great
for me since I threw off belts before I changed the pulley. I went to
smaller belt too that helped. A "normal" alternator would not have the
single problem it mentioned. I hope your car has a belly pan too.
Alernators don't like salt. Good Luck JD
----- Original Message -----
From: "Dick J"
To: "lsr list autox"
Sent: Friday, February 27, 2004 12:06 PM
Subject: Alternator Pulley
> I'm mounting my alternator on the differential housing and will drive it
from a pulley on the pinion flange. What is a good ratio to shoot for in
this configuration. 2:1?
>
> Dick J in East Texas
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