|
|
|
|
| Author |
|
|
Registered
Join Date: Feb 2000
Location: London, UK
Posts: 2,349
|
solid core plug wires with MSD
I know MSD say that you can't use solid-core plug wires with their multi-spark ignition systems - but what is the effect if you do ?
I've got 2 x MSD 6AL + 2 x MSD (high vibration) Blaster II coils (fired by a Supertec twin-plug distributor) fitted to my 2.5 litre twin-plug engine. The distributor came with solid-core plug wires & the engine runs perfectly with a steady idle - & there is no sign of any misfire anywhere in the rev range. I don't have a radio (or any other superfluous electrical/electronic gizmos). I've read all of the old threads on the topic & there seems to be split opinions ...
__________________
Andy M&W 904 ... now gone GT-style 356C ... also gone |
||
05-27-2013, 12:01 PM
|
|
|
non-whiner
Join Date: Aug 2012
Location: Slightly right of center
Posts: 5,235
|
Supposedly, the lack of a resistor wire overdraws the coil causing excess heat. Seems it will run fine...until it doesn't. I've used MSD on many projects, but always used resistor wires, so I can't tell you if it is true or not. Glad to hear you have the high vibration coils as the regular MSD coils don't like any position, but up.
__________________
"Too much is just enough." |
||
|
05-27-2013, 12:12 PM
|
|
|
Honey Badger
Join Date: Oct 2001
Location: North Pole, AK
Posts: 1,045
|
I had a 6AL with a Bosch coil and Magnecor wires for several years. I'm not saying you won't ever have a problem, but I never did.
__________________
1978 911SC 1953 Piper PA-18A USAF EOmfD |
||
|
05-27-2013, 01:44 PM
|
|
|
Registered
Join Date: Feb 2000
Location: London, UK
Posts: 2,349
|
Any other experience/comments ?
__________________
Andy M&W 904 ... now gone GT-style 356C ... also gone |
||
|
05-27-2013, 10:36 PM
|
|
|
Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
|
The recommendation for suppression wire has nothing to do with the coil(s). Its due to RFI/EMI issues that can cause high RPM misfires.
I've experienced this problem several times on customer's cars brought in with running problem. For this reason, we use suppression wires only, and no more problems.
__________________
Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
||
|
05-27-2013, 11:25 PM
|
|
|
Registered
Join Date: Sep 2002
Posts: 513
|
Quote:
__________________
'69 911E 2.7MFI ;996TT;987.2 CaymanS '71 Volvo P1800E wife's; AMG SLK wife's '71 Volvo race car 944S; 986S ; 734WHP drift car (son's) |
||
|
05-28-2013, 03:48 AM
|
|
|
