Lucas coil replacement
#1
#2
I use a Bosch MEC717 on all mine, and some others.
That is a Bosch Australia part #, but it is basically an "electronic" ignition coil, with low impedence to allow for fast charge time.
Very simply put, these types were not around in the early '80's, so 2 "points style" coils were used to give the charge time allowance.
The coil I use is standard on a lot of Nissan, some Toyota, and is commonly known down here as a "universal electronic style coil". I have Kodaks of mine in-situ if needed.
That is a Bosch Australia part #, but it is basically an "electronic" ignition coil, with low impedence to allow for fast charge time.
Very simply put, these types were not around in the early '80's, so 2 "points style" coils were used to give the charge time allowance.
The coil I use is standard on a lot of Nissan, some Toyota, and is commonly known down here as a "universal electronic style coil". I have Kodaks of mine in-situ if needed.
Last edited by Grant Francis; 04-10-2012 at 05:50 AM.
#3
#4
The only reason Jaguar used dual coils was in the higher compression HE the single coil struggled to provide enough spark at higher RPM. Not a problem with lower CR. BTW These are the same coils that powered monsters like the MGB.
The idea behind the dual coils is that as you reduce the impedance and inductance the coil will charge faster, it is interesting that JAg only paralleled the primarys not the secondarys.
So in a nutshell a single coil will perform as well if it is speced correctly.
The idea behind the dual coils is that as you reduce the impedance and inductance the coil will charge faster, it is interesting that JAg only paralleled the primarys not the secondarys.
So in a nutshell a single coil will perform as well if it is speced correctly.
#5
Join Date: Mar 2008
Location: Pacific Northwest USA
Posts: 24,920
Received 10,979 Likes
on
7,211 Posts
If your original 2-coil ignition is working well there's no advantage to changing to a single coil.
If you have a single coil system there's no advantage in changing back to a 2-coil system.
Cheers
DD
Thread
Thread Starter
Forum
Replies
Last Post
KarimPA
S-Type / S type R Supercharged V8 ( X200 )
11
09-12-2015 08:15 AM
FS[Western US]: XJS Wiper Motor Upgrade- 76-88 - Electrolux Style
XJsc-guy
PRIVATE For Sale / Trade or Buy Classifieds
0
09-02-2015 11:43 AM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)