I put Pertronix on my 63 and 74, both motors ran noticably better when I
installed it.
Pat
63 Spitfire
74 Spitfire
68 Chevy C10
http://www.dol.net/~starborn/artvango.html
Glenn Trunnell wrote:
> Hi,
>
> Last year I installed the crane xr700 along with an MSD (multi-spark
> discharge system) on my Spit which I drive often as well as autocross.
> Today I removed the Crane and MSD and replaced them with the ignitor by
> pertronix. ( never mind why) but anyway I thought people would be
> interested in the results. With the Crane and MSD installed the car ran
> o.k, but the power always seemed to drop off about 4800 RPM in 3rd gear and
> the car just didn't rev like I thought it should. It didn't miss or
> anything but it just felt a little sluggish. With the ignitor installed
> the car will pull to 6000 in the first 3 gears and was still pulling at
> 5000 in 4th when I had to slow down due to traffic. I have to say that the
> performance is much improved. Nothing else on the car was changed, same
> coil, wires etc. So I can only credit the ignitor. The installation is
> also much more sanitary. As far as the MSD goes I can't say that it helped
> at all,(probably because the car was already running well, without missing
> and there was no noticable improvement). I do have a friend who has an MSD
> on his Chevelle and he feels that it is the best investment that he has
> ever made. So I think that in some cases it can be useful. I also run a
> jacobs energy team 50,000 volt coil. One caveat when using the Crane or
> Ignitor systems with a hot coil... if the coil primary resistance is too
> low (0.6 ohms in my case) you have to make sure that the current throught
> the module is limited. Many people have by-passed the ballast resistor
> wiring that is built into the late model Spits to use a hotter coil that
> has a built in resistor. If you switch to one of these systems make sure
> that the resistance is high enough to limit the current to 5 amps or less.
> In my case the stock ballast resistor is still in place and it works fine
> even though my coil has a very low resistance. Sorry this was so long, but
> I thought everyone would benefit from my experience. If anyone has any
> interest in either the Crane system (with a spare sensor module) or the MSD
> I am interested in selling them. They both work fine and I will guarantee
> them, I would like to get $85 for the MSD and $40 for the Crane.
>
> Glenn
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