Anyone ever had this problem????????????
#1164233
01/24/12 07:32 PM
01/24/12 07:32 PM
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Joined: Jan 2003
Posts: 1,235
TN
65racer
OP
2009 IHRA World Champion
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OP
2009 IHRA World Champion
Joined: Jan 2003
Posts: 1,235
TN
|
I have been chasing a over charging problem
in my car since the last racing season, have
been thru every circuit on the car multiple
times, and have changed everything on the car,
that I thought could cause a problem, never
could actually pin it down to being one certain
thing, it has been driving me nuts trying to find
the problem, but today I changed the msd ignition
box and the problem is gone, if I hadn't saw it
with my own eyes I never would have believed that
the box could have caused this problem, car always
fired right up and ran fine, no indication of any
problems what so ever, but a friend had a new box,
and let me try it to just eliminate the ignition
as the problem, so just a heads up if you are
chasing electrical problems, and have the msd
ignition system on the car, don't be like me
and over look the obvious, the box was only a
a couple seasons old, but I guess that don't
mean a lot when you are chasing problems.
Dave
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Re: Anyone ever had this problem????????????
[Re: VernMotor]
#1164242
01/24/12 11:14 PM
01/24/12 11:14 PM
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Joined: Jan 2003
Posts: 1,235
TN
65racer
OP
2009 IHRA World Champion
|
OP
2009 IHRA World Champion
Joined: Jan 2003
Posts: 1,235
TN
|
Quote:
I would Have to know why..Really find it hard to beleave ..there got to be a reason ?? I also like to know how it was wire-up ?  
Don't know what to say about the grds on the car, this is what I
have any you be the judge on the grd issue, have 2 studs welded thru the frame rails in back and front of the car, I use these in back for weight if the car needs it, that is what I grd the battery - to, on the battery side, there is a 6 gauge welding cable going to both studs in the back to tie them together, then up front I have 3 grds on the engine going to the studs I have welded in the frame on both sides, 2 head grds and 1 block grd, no grds on the ignition system to sheet metal anywhere, the + and the - on the msd goes to the back of the car with 8 gauge wire with the connectors crimped and soldered, and shrink sleeve covered, hooked directly to the battery, I cannot believe the box was the problem, but changing it fixed, and also 1 poster said he would have to do and A-B-A test, well I don't chase problems like this and not know why, changing it back had the same results as before an over charging issue, I am gonna send the box to Pat Collins at techwest, and have him check it out to see if there is really something wrong with it, not MSD, they always say they are good, and nothing is wrong.
Dave
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never wood expect the MSD box.
The problem will be back.
