Re: MSD 6A, 6-Offroad, or 5 Economy(LONG)

From: Bernd D. Ratsch (bernd@texas.net)
Date: Wed Apr 14 1999 - 15:06:26 EDT


Put all the "Tech Specs" aside. Do you really take it "Offroad". I do.
And Yes, my engine compartment has gotten pretty wet in the past. (Glad I
had the 6T.)

At 02:54 PM 04/14/1999 -0400, you wrote:
>Ok, I really want an MSD Ignition Box, but can't decide on what one to get. I
>know I don't want the MSD 6AL, basically because I don't and can't really
>benefit from it, nor do I want to play around with the timing adjustments/rev
>controls.
>Here are the approx. prices taken from Summit just to show the price
>differences:
>MSD-5.................$80
>MSD-6A...............$130
>MSD-6 Offroad......$210
>I do have an MSD catalog which lists all the information pertaining to each
>ignition box. All MSD ignitions use multiple discharge sparks below 3,000
>RPM.
>***The 6A and the 6-Offroad box both have the same indentical operating
>specifications
>***The 6-Offroad box is "completely potted with with an epoxy compound called
>ResTech. This material encases the circuits creating a water and vibration
>proof ignition. Weathertight connections are also installed." This is the
>ONLY difference there is between the 6A and the 6-Offroad. Is the
>vibration/water proof worth the additional $80? I have no problem paying
>that if indeed it is worth it. I just get worried that if I buy the 6A, with
>the puddles, mud holes, and other conditions I drive in with my Dak, that the
>6A won't be operating long if it's not sealed.
>***I want to compare now the 5 Econo box with the 6 series(since 6A &
>6-Offroad have identical operating specs)
>1.Price, $50-$130
>
>2.Both have the same 'Spark Series Duration' of 20 degrees crankshaft rotation
>
>3.The RPM range with the 5-Econo is 6,000 and with the 6A is 14,000; I hope I
>never come close to 14,000 RPM! So, here the 5 wins.
>
>4.Max energy output for the 5-Econo is 140 Mj Stored energy and the 6A has
>105-115 Mj per spark. Not sure about this!?
>
>5.Primary voltage output for the 5-Econo is 375 volts and the 6A has 460-480
>volts.
>
>6.Secondary output really does't matter since I have an Accel Super Coil
>putting out 42,000 volts; 3,000 volts less than MSD's Blaster Coil
>
>Sorry so long, but I like to research every mod I do to my Dak before I buy
>it and put it on. Any input/opinions on which one to buy??????? THANKS!
>Kyle
>93 Dakota 4x4 V6; 103,500 miles

Bernd D. Ratsch
Pflugerville, TX
http://lonestar.texas.net/~bernd/Dakota.htm
1997 Dodge Dakota SLT/CC (V6)



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