The HEI I bought came out of a guys CJ, the gear is there, I asled him. and
I THINK the wires are already 7mm...


"Jumpin' Jiminy" > wrote in message
...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" >
> wrote:
>
>>So what are some spark options after I get done my HEI install this
>>weekend?
>>Is it a really bad idea to run 7MM wires?
>>
>>thanks
>>
>
> I upgraded my 85 cj7 to an HEI and the best advice I can give you is
> to power the HEI directly from the battery and switch it with a relay.
> I mounted my relay beside the starter solenoid and used the +12v
> connector on the solenoid for a power source.
> The difference from running it off the switched power circuit is very
> noticeable.
> I don't know about the 7mm wires though. It can only result in a drop
> in performance so why bother.
> Other issues I had were with the oil dipstick placement and an overly
> efficient relay that would stay powered on at 7v. This meant there was
> enough residual from the alternator to keep it energized. Wiring it to
> the other switched 12v cct meant no spark when cranking over. I solved
> this with a diode OR to the starter solenoid. This circuit becomes
> freed up when you lose the old ignition.
> I presume you have the needed gear? The gear from my old distributor
> had too large a diameter hole and was unuseable. I have heard that
> with some distributors the old gear just has to be ground down.
> This wasn't true in my case.
> I'm tempted to try the Crane adjustable centrifugal advance kit. It's
> supposed to increase the power band a bit.
>
> JJ
>