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Topic: MSD 6 module preffered Location

in Forum: C3 Electrical


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MSD 6 module preffered Location (4/14)
 3/19/10 6:03pm
lukesvetteLifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6812

I installed mine under the dash so it wouldn't heat up so much
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MSD 6 module preffered Location (5/14)
 3/19/10 10:30pm
KDADDY79
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Dutchess County, NY - USA

Vette(s):
White '79 Corvette. It's a driver.

Joined: 8/27/2007
Posts: 2484

I have an MSD HEI unit in my '79. I'm real happy with it! Thumbs Up
 
And I have to admit that I don't know what an MSD 6 Module is. Confused
What function does it serve?
 
Kevin 
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MSD 6 module preffered Location (6/14)
 3/19/10 11:36pm
lukesvetteLifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6812

Multiple Spark Discharge - Each time a plug takes a turn in the firing order, the box fires multiple sparks as compared to a single spark per cycle from a conventional ignition system.
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MSD 6 module preffered Location (7/14)
 3/19/10 11:37pm
SilverStreakLifetime Member
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Oceanside, CA - USA

Vette(s):
1978 Silver Anniversary model. Original L82 engine, 700r4 trans, edelbrock intake, thorly headers, rack&pinion steering, mono rear and front spring, MSD 6A box

Joined: 11/19/2003
Posts: 191

I mounted mine in the windshield wiper compartment.  I also have one of those aftermarket windshield wiper compartment covers.  Works great, hidden where no one knows its there.

______________

Eddie

Click on any image for larger view!

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MSD 6 module preffered Location (8/14)
 3/20/10 11:32am
MikeMc71
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Tucson, AZ - USA

Vette(s):
1970 White L-46 Air Roadster, 1971 White LT1 Coupe, 1971 Red Auto Air Coupe, 383 stroker, 430 HP, 2002 Millennium Yellow Auto Coupe

Joined: 10/7/2007
Posts: 341

At this point mine is mounted under the hood, near the alternator, and the heat is an issue. I will be moving mine under the passanger side dash, per a recomendation from a racing friend of mine.

______________

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MSD 6 module preffered Location (9/14)
 7/19/10 10:15pm
jp75vette
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Bloomfield Hills, MI - USA

Vette(s):
1975 Corvette coupe, 4 speed manual, 383 ci 9.5:1,Edelbrock dual plane Air Gap intake, Alum Heads,Comp Cam, roller Rockers, PS,PB,Tilt

Joined: 6/29/2008
Posts: 199

Gunslinger
 
How did you mount it (the MSD 6 module)  on the passenger side of the dash, do you have photos of the mounting and how did you route the wires?
 
Did you put a grommet in the firewall?
 
 
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MSD 6 module preffered Location (10/14)
 7/19/10 10:34pm
Gunslinger
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Frederick, MD - USA

Vette(s):
1969 convertible L71 427/435 4-speed black interior

Joined: 9/8/2003
Posts: 3398

PM sent to you.
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MSD 6 module preffered Location (11/14)
 9/22/10 8:46am
jp75vette
Former Member
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Bloomfield Hills, MI - USA

Vette(s):
1975 Corvette coupe, 4 speed manual, 383 ci 9.5:1,Edelbrock dual plane Air Gap intake, Alum Heads,Comp Cam, roller Rockers, PS,PB,Tilt

Joined: 6/29/2008
Posts: 199

I have installed the MSD ignition under the dash on the passenger side. I made my own aluminum braket and finally riveted into the firewall. I put in a new grommet in the firewall and ran the wires through it. Car runs fine. 
 
 
 
(large images modified to clickable links - Norsky)
Norsky2010-09-24 14:12:38
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MSD 6 module preffered Location (12/14)
 9/22/10 4:49pm
lukesvetteLifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6812

Nice job!!
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MSD 6 module preffered Location (13/14)
 9/23/10 3:00am
79rebuild
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Yelm, WA - USA

Vette(s):
1979 L82 4 speed Scat 383 crank 190 cc Procomp Aluminum Heads 202 160 stainless valves GM Powder metal rods Speedpro H860CP Hypereutectic pistons 280 cam hydralic HEI Pro comp 1.6 roller rockers Mighty Demon 750 Sanderson CC1AP Hedders.

Joined: 7/12/2007
Posts: 356

I put mine up behind the drivers side wheel well. Considered other locations, but this seemed like an accessible spot. I haven't hooked the stock tach up cause my dash is all apart. Huge difference with the MSD though!!!Thumbs Up Let me know how it goes with your tach. 

I was having real issues with the cheap Procomp HEI that came with the 383. So I got a 6AL-2 programmable. http://twitpic.com/2jree3 I will lock the distributor out when it finally goes to get tuned on the Dyno and program the timing curve then.

Here is the link to MSD instructions for GM tachs. Note #3 Bypassing the inline filter.

Some pics of where I put mine.



http://twitpic.com/2lf2h7 This is a aux fuse panel ran off the 12V power going to the HEI to power the MSD box and the Dual Electric fans.  I considered one of these for under the hood: Terminal Block http://www.jegs.com/i/JEGS/555/10521/10002/-1?parentProductId=758462

Jason
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MSD 6 module preffered Location (14/14)
 9/24/10 4:08pm
jp75vette
Former Member
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Bloomfield Hills, MI - USA

Vette(s):
1975 Corvette coupe, 4 speed manual, 383 ci 9.5:1,Edelbrock dual plane Air Gap intake, Alum Heads,Comp Cam, roller Rockers, PS,PB,Tilt

Joined: 6/29/2008
Posts: 199

The tach wire just plugged into the MSD module. It did not work properly with the filter, so I took that out of the circuit.
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