I had the Crane 3000/optical trigger in my old Fiat and it worked great but
Dad had the cheaper 700 in his Cobra replica (Built Cheby small block) and
it worked about the same as yours at times. Might be the optical sensor, his
seemed very sensitive to dirt and condensation. The dual point Mallory in
my TR has been working great. The Pertronix I had in it before probably
would have worked good but I'd lengthened the MSD main wire with wire that
was the same size but was supposed to be bigger, gave me headaches for the
first year I ran the car, so check your grounds and wire sizes...
Matthew Wilder
'67 TR4a Ep auto-xer
http://home.webryders.com/teamwild/
> Need some help, guys:
>
> I'm having trouble making a Crane system work on a TR6. I have exactly the
> same combination on the automatic TR6 and it works great.
>
> Here's what it's doing:
>
> Comes in running fine on points. Replace the points with the trigger and
> amplifier, and it runs 'weak': stumbles and pops on acceleration and it's
> slow to rev.
>
> Here's what I've tired:
>
> Cut a hole in an old distributor cap to make sure the rotor is lined up
> right. Adjusted timing and the trigger position in relation to the rotor
> position. Tried a matching Crane coil with ballast resistor. Tried other
> amplifiers. Checked the ground. Checked for voltage to the amplifier and
to
> the coil.
>
> Put the points back in and it runs perfectly. As I say, I have the same
set
> up in another TR6 and it runs great.
>
> OK, I'm licked. Any ideas?
>
> Steve Hedke
> britpac@aol.com
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