MSD 6a Install instructions???
Senior Member
Joined: Jul 2006
Posts: 582
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From: Stow, Ohio
does anyone know if theres a terminal limit to the effective ouput of an ignition system? i mean at what point is there a threashold where any extra spark is completely unused. im sure ti cant just get better adn better. theres gotta be a point at which it's at it's peak fuel burning efficiency point
development
Joined: Aug 2002
Posts: 5,714
Likes: 7
From: Lafayette, LA
Originally Posted by 4CN Air
well good luck getting it, summit has had it backordered for some time. Maybe everyone's done working on their bikes now and summit can restock.
the blaster SS's are MSD-8207
the dual post coil is MSD-8204
edit: actually it appears summit has them in stock. However I found the dual post cheaper at: http://www.mpsracing.com/products/MSD/ig02e.asp I got mine from them, they shipped it very quickly. I was pleasantly suprisec. I jsut wish it would have come with nice new MSD spark plug boots and ring terminals like the blaster SS's did.
I have my coils relocated so making a bracket to accept the odd sized dual post was much easier. Good luck.
- Cody
the blaster SS's are MSD-8207
the dual post coil is MSD-8204
edit: actually it appears summit has them in stock. However I found the dual post cheaper at: http://www.mpsracing.com/products/MSD/ig02e.asp I got mine from them, they shipped it very quickly. I was pleasantly suprisec. I jsut wish it would have come with nice new MSD spark plug boots and ring terminals like the blaster SS's did.
I have my coils relocated so making a bracket to accept the odd sized dual post was much easier. Good luck.
- Cody
does anyone have an pictures or new input on their setups? my ignition coil harness is shitting out on me as i fire on one rotor every other light i pull up to. i have one msd 6a wired in already should i just stick with that or what? thanks in advance!
I'm running (1) SS Blaster Coil MSD-8207 on each trailing plug. and one dual post coil MSD-8204 running both leading plugs.
Only one MSD6 is needed to boost both leading plugs since they both fire from the same coil.
Everything has worked great for me so far, no breakup at any RPM. Making 425hp and 310tq at the wheels @17psi.
Only problem is I'm going through plugs like I own NGK stock!
Only one MSD6 is needed to boost both leading plugs since they both fire from the same coil.
Everything has worked great for me so far, no breakup at any RPM. Making 425hp and 310tq at the wheels @17psi.
Only problem is I'm going through plugs like I own NGK stock!
Last edited by 4CN Air; Mar 28, 2007 at 10:06 PM.
Senior Member
Joined: Jul 2006
Posts: 582
Likes: 0
From: Stow, Ohio
I had a question about this. I'm using an TII leading coil on the msd 6 box...it works and everything..but im curious if the metal plate around the base of the coil where it was mounted to the ignitor needs to be grounded. i have the positive and negative leads where they should be and the car runs so it's obviously working...but im just wondering if it is supposed to get a continuous ground...which i thought it was...unless thats only for inductive discharge...
Originally Posted by mono4lamar
how are you going through those coils? thanks for the reply Cody!
I edited the post, i meant I'm going through PLUGS, the coils were made for the MSD6 box.
This is due to the MSDs use of full voltage all the time I guess, i've heard the Jacobs boxes ramp up to full power only when needed.
^what plugs are you using? im still running on a base/break in map so im running the 9's and 7's. yet once i finally get the car done and get to ray i'll be running 10's all around. do you think they will have a better chance? thanks again!
I'm running 9's and 10's. The EGV snowmobile plugs, palladium electrodes. I was running the eix's with iridium electrodes, but didn't have a good experience with them either.
I ran an 8204 for a while after my stock FD coil burned out with the MSD 6a. At higher boost and rich AFR's I had issues with breakup. I switched to a T2 leading coil and the issue went away. Just make sure you upgrade the leading coil if you run the msd 6a unit. I have heard of a lot more than just me that have burned out the stock FD leading coil on an MSD. I still have the 8204 coil if someone wants to try it out...
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