Upgrade for Leading ignition coil?
#1
Right near Malloy
Thread Starter
iTrader: (28)
Join Date: Dec 1999
Location: Behind a workbench, repairing FC Electronics.
Posts: 7,841
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Upgrade for Leading ignition coil?
There's several ways to fit an FC ignition coil into a first gen. One is to use the stock distributor and a transistor or another type of ignition module to trigger the stock FC ignitor. The other is MegaSquirt with ignition control...
Now, I figure if one is shopping for parts, why not get better aftermarket ones rather than scrounging the junkyard for 14-19 year old crap.
All searches came up negative. I couldnt find any dual output coils that aren't one of those GM style coils. I also couldn't find anyone using anythign other than a stock coil...
Is anyone here using an aftermarket leading ignition coil?
Now, I figure if one is shopping for parts, why not get better aftermarket ones rather than scrounging the junkyard for 14-19 year old crap.
All searches came up negative. I couldnt find any dual output coils that aren't one of those GM style coils. I also couldn't find anyone using anythign other than a stock coil...
Is anyone here using an aftermarket leading ignition coil?
#2
spending too much money..
iTrader: (2)
reason why is because the stock coils are supposedly very good from what they say on this site. Some people use the msd coils as a replacement and I guess some what of an upgrade but when I tried to do this it ran rather shity but one of the coils may have been bad. I put the stock coils back in and the car ran great.
#3
Banned. I got OWNED!!!
The best thing I could think to do would be using twin Bosch coils or just the factory FC coils... The stockers have plenty of spark for even highly modified engines...
#4
Jesus is the Messiah
Anyone got numbers?
But yes, I know they have plenty of spark based on the sparks I've seen them throw, in some pretty crazy conditions.
However, they ARE older coils, and coils do go bad.
I wish it was as easy as running two single post coils in parallell or series :p
But yes, I know they have plenty of spark based on the sparks I've seen them throw, in some pretty crazy conditions.
However, they ARE older coils, and coils do go bad.
I wish it was as easy as running two single post coils in parallell or series :p
#6
Not running yet, but I´ll be using Bosch coils...
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/ignition-coils-placement-457557/
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/ignition-coils-placement-457557/
#7
Jesus is the Messiah
Running the coils in series or parellel halves or doubles resistance, according to what I've read. Not good :p
Parellel halves the resistance.
Series doubles the resistance.
Parallel might work if the DRIVER could handle it
Series, there COULD be a lag.
Parellel halves the resistance.
Series doubles the resistance.
Parallel might work if the DRIVER could handle it
Series, there COULD be a lag.
Last edited by Tofuball; 08-27-05 at 09:54 PM.
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#10
I really think it comes down to the fact that the stock coils, with a MSD or Crane unit boosting them, can fire off a 500+ WHP FC reliably. What more do you want?
-=Russ=-
-=Russ=-
#11
i heard that the FC coils are better then even the FD ones. IF that is true the there is no reason to waste time and money on a msd, i would say just clean up stockers
#12
Jesus is the Messiah
Hey, I wouldnt say time and money was wasted on a Multi Spark Dischage unit. I've got the Crane Cames Hi-6 on my leading coils and I have a NOTICABLE improvement in high RPM.
#13
well the way i would do it would be to convert to FC coils and spend the money on other mods ... then if your still unhappy with them change to a aftermarket system ... unless your planning on going to high hp levels i dont think the need for msd or crane is really there...
#14
Jesus is the Messiah
What in the world are you talking about? :p
Convert my FC to FC coils?
The need for a Multi Spark Discharge unit isnt there?
On my (slightly ) modified Convertable, without the Crane Cams Hi-6 unit, the revs between 7K and 8K are much slower, and going over 8K into 9K is just pointless because without the crane, the power curve barely reaches 9K
It makes a small, yet noticable difference in all other RPMs, and a few other people I've spoken or read from to are claiming economy increases as much as 2MPG.
Convert my FC to FC coils?
The need for a Multi Spark Discharge unit isnt there?
On my (slightly ) modified Convertable, without the Crane Cams Hi-6 unit, the revs between 7K and 8K are much slower, and going over 8K into 9K is just pointless because without the crane, the power curve barely reaches 9K
It makes a small, yet noticable difference in all other RPMs, and a few other people I've spoken or read from to are claiming economy increases as much as 2MPG.
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