Spark options after HEI install?
#21
Guest
Posts: n/a
Re: Spark options after HEI install?
Correction, 48kV:
http://www.lildevilmotorsports.com/p...oducts_id=3215
"L.W.(ßill) ------ III" wrote:
>
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
http://www.lildevilmotorsports.com/p...oducts_id=3215
"L.W.(ßill) ------ III" wrote:
>
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
#22
Guest
Posts: n/a
Re: Spark options after HEI install?
So are stock wires enough? Do I just regap my stock plugs, or get the plug
reccomended for that year GM vehicle the HEI came out of?
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:42BB6053.269C90A8@***.net...
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> pieced Piper wrote:
>>
>> The HEI puts out about 33,000 volts compared to I think 17,000 volts on a
>> stock ignition I think.. I wouldn't think stock wires would be enough.
>>
>> "DougW" <post.replies@invalid.address> wrote in message
>> news:nWbue.20515$mC.8565@okepread07...
>> > Pi-Eyed Piper did pass the time by typing:
>> >> So what are some spark options after I get done my HEI install this
>> >> weekend?
>> >> Is it a really bad idea to run 7MM wires?
>> >
>> > I don't see why apart from they usually don't fit the stock looms.
>> > Frankly I run 6mm on the ZJ but then again it's not pushing spark
>> > very far on an I6.
>> >
>> > --
>> > DougW
>> >
reccomended for that year GM vehicle the HEI came out of?
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:42BB6053.269C90A8@***.net...
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> pieced Piper wrote:
>>
>> The HEI puts out about 33,000 volts compared to I think 17,000 volts on a
>> stock ignition I think.. I wouldn't think stock wires would be enough.
>>
>> "DougW" <post.replies@invalid.address> wrote in message
>> news:nWbue.20515$mC.8565@okepread07...
>> > Pi-Eyed Piper did pass the time by typing:
>> >> 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?
>> >
>> > I don't see why apart from they usually don't fit the stock looms.
>> > Frankly I run 6mm on the ZJ but then again it's not pushing spark
>> > very far on an I6.
>> >
>> > --
>> > DougW
>> >
#23
Guest
Posts: n/a
Re: Spark options after HEI install?
So are stock wires enough? Do I just regap my stock plugs, or get the plug
reccomended for that year GM vehicle the HEI came out of?
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:42BB6053.269C90A8@***.net...
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> pieced Piper wrote:
>>
>> The HEI puts out about 33,000 volts compared to I think 17,000 volts on a
>> stock ignition I think.. I wouldn't think stock wires would be enough.
>>
>> "DougW" <post.replies@invalid.address> wrote in message
>> news:nWbue.20515$mC.8565@okepread07...
>> > Pi-Eyed Piper did pass the time by typing:
>> >> So what are some spark options after I get done my HEI install this
>> >> weekend?
>> >> Is it a really bad idea to run 7MM wires?
>> >
>> > I don't see why apart from they usually don't fit the stock looms.
>> > Frankly I run 6mm on the ZJ but then again it's not pushing spark
>> > very far on an I6.
>> >
>> > --
>> > DougW
>> >
reccomended for that year GM vehicle the HEI came out of?
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:42BB6053.269C90A8@***.net...
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> pieced Piper wrote:
>>
>> The HEI puts out about 33,000 volts compared to I think 17,000 volts on a
>> stock ignition I think.. I wouldn't think stock wires would be enough.
>>
>> "DougW" <post.replies@invalid.address> wrote in message
>> news:nWbue.20515$mC.8565@okepread07...
>> > Pi-Eyed Piper did pass the time by typing:
>> >> 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?
>> >
>> > I don't see why apart from they usually don't fit the stock looms.
>> > Frankly I run 6mm on the ZJ but then again it's not pushing spark
>> > very far on an I6.
>> >
>> > --
>> > DougW
>> >
#24
Guest
Posts: n/a
Re: Spark options after HEI install?
So are stock wires enough? Do I just regap my stock plugs, or get the plug
reccomended for that year GM vehicle the HEI came out of?
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:42BB6053.269C90A8@***.net...
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> pieced Piper wrote:
>>
>> The HEI puts out about 33,000 volts compared to I think 17,000 volts on a
>> stock ignition I think.. I wouldn't think stock wires would be enough.
>>
>> "DougW" <post.replies@invalid.address> wrote in message
>> news:nWbue.20515$mC.8565@okepread07...
>> > Pi-Eyed Piper did pass the time by typing:
>> >> So what are some spark options after I get done my HEI install this
>> >> weekend?
>> >> Is it a really bad idea to run 7MM wires?
>> >
>> > I don't see why apart from they usually don't fit the stock looms.
>> > Frankly I run 6mm on the ZJ but then again it's not pushing spark
>> > very far on an I6.
>> >
>> > --
>> > DougW
>> >
reccomended for that year GM vehicle the HEI came out of?
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:42BB6053.269C90A8@***.net...
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> pieced Piper wrote:
>>
>> The HEI puts out about 33,000 volts compared to I think 17,000 volts on a
>> stock ignition I think.. I wouldn't think stock wires would be enough.
>>
>> "DougW" <post.replies@invalid.address> wrote in message
>> news:nWbue.20515$mC.8565@okepread07...
>> > Pi-Eyed Piper did pass the time by typing:
>> >> 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?
>> >
>> > I don't see why apart from they usually don't fit the stock looms.
>> > Frankly I run 6mm on the ZJ but then again it's not pushing spark
>> > very far on an I6.
>> >
>> > --
>> > DougW
>> >
#25
Guest
Posts: n/a
Re: Spark options after HEI install?
So are stock wires enough? Do I just regap my stock plugs, or get the plug
reccomended for that year GM vehicle the HEI came out of?
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:42BB6053.269C90A8@***.net...
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> pieced Piper wrote:
>>
>> The HEI puts out about 33,000 volts compared to I think 17,000 volts on a
>> stock ignition I think.. I wouldn't think stock wires would be enough.
>>
>> "DougW" <post.replies@invalid.address> wrote in message
>> news:nWbue.20515$mC.8565@okepread07...
>> > Pi-Eyed Piper did pass the time by typing:
>> >> So what are some spark options after I get done my HEI install this
>> >> weekend?
>> >> Is it a really bad idea to run 7MM wires?
>> >
>> > I don't see why apart from they usually don't fit the stock looms.
>> > Frankly I run 6mm on the ZJ but then again it's not pushing spark
>> > very far on an I6.
>> >
>> > --
>> > DougW
>> >
reccomended for that year GM vehicle the HEI came out of?
"L.W. ("ßill") ------ III" <----------@***.net> wrote in message
news:42BB6053.269C90A8@***.net...
> Even more than that. Ford and GM run about seven thousand volts,
> that's why they gapped at .065" and ------ the cap out to prevent
> crossfire.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> pieced Piper wrote:
>>
>> The HEI puts out about 33,000 volts compared to I think 17,000 volts on a
>> stock ignition I think.. I wouldn't think stock wires would be enough.
>>
>> "DougW" <post.replies@invalid.address> wrote in message
>> news:nWbue.20515$mC.8565@okepread07...
>> > Pi-Eyed Piper did pass the time by typing:
>> >> 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?
>> >
>> > I don't see why apart from they usually don't fit the stock looms.
>> > Frankly I run 6mm on the ZJ but then again it's not pushing spark
>> > very far on an I6.
>> >
>> > --
>> > DougW
>> >
#26
Guest
Posts: n/a
Re: Spark options after HEI install?
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" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
I THINK the wires are already 7mm...
"Jumpin' Jiminy" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
#27
Guest
Posts: n/a
Re: Spark options after HEI install?
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" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
I THINK the wires are already 7mm...
"Jumpin' Jiminy" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
#28
Guest
Posts: n/a
Re: Spark options after HEI install?
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" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
I THINK the wires are already 7mm...
"Jumpin' Jiminy" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
#29
Guest
Posts: n/a
Re: Spark options after HEI install?
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" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
I THINK the wires are already 7mm...
"Jumpin' Jiminy" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
#30
Guest
Posts: n/a
Re: Spark options after HEI install?
are you happy with what it did for your heep?
"Jumpin' Jiminy" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>
"Jumpin' Jiminy" <jumpin_jiminy72plus3@hotmail.com> wrote in message
news:qelmb11b1k534bs9oid3rb5ei09o410sg5@4ax.com...
> On Tue, 21 Jun 2005 23:00:47 GMT, "Pi-Eyed Piper" <notta@hello.com>
> 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
>