LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Msd 6a or 6al??

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Old Feb 11, 2009 | 07:10 PM
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Default Msd 6a or 6al??

My motor is pretty built with stroker h/c all motor car. I was wonder do I need a msd or what?? Im no expert but what does it help or do... I got some spending $$ so dont want it to go to waste.
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Old Feb 11, 2009 | 07:13 PM
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Might as well go 6A since we have a computer controlled rev limiter. I don't think you have to have a AL to run a window switch, if you plan to run a huge shot of NOS later.

Don't know how well they work on computer controlled cars, but if you don't want to waste money, get a Digital 6 Plus
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Old Feb 11, 2009 | 07:14 PM
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The only difference between the two is the 6al has a rev limiter where the 6a doesnt. I have a 6a laying around i need to get in at some point.
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Old Feb 11, 2009 | 07:16 PM
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Wish I knew if this Digital 6 Plus I have works :\ I'd sell you it for the price of a 6AL. I don't feel like trying to wire it up to my 90 Corolla to check though LOL
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Old Feb 11, 2009 | 07:55 PM
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what is either one of those gonna like benifit me?? Im planing N/A for a while and then maybe a big shot later down the road..
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Old Feb 11, 2009 | 07:58 PM
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Originally Posted by 1 F8L Z
what is either one of those gonna like benifit me?? Im planing N/A for a while and then maybe a big shot later down the road..
To be honest, unless you are going to run over a 150shot, you'd be wasting your money buying a multi-spark box That's my opinion though. If it's a Drag Strip Queen of a car, then get one, it might help a slight bit.
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Old Feb 11, 2009 | 08:07 PM
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I run MSD6AL, either one is fine 6AL just has rev control you can swap different chip's for a rev limiter

MSD6AL gives you stronger spark at higher RPM range. People say they don't notice the stronger spark but its more about what it does which is giving stronger spark when the opti isnt doing it at high rpm's.

BTW, if you plan to get one, i would recommend the MSD harness for it, wont have to splice any wires.
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Old Feb 11, 2009 | 08:10 PM
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Originally Posted by LT1
BTW, if you plan to get one, i would recommend the MSD harness for it, wont have to splice any wires.
+1 on that all the way! Makes it a breeeeze!
I think MSD's # is 8876 for it. It lists it in the manual that comes with it, or you can find the manual online too if you pick up a used box.
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Old Feb 11, 2009 | 08:58 PM
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Thanks LT1 That what I wanted to know what it does and you answer it bro.. I'll look into it.
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Old Feb 11, 2009 | 09:50 PM
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Will the MSD 6a box help a bolt on LT1 with possibly a cam later on? Trying to decide whether to throw it on the GTO or the Z/28 lol
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Old Feb 11, 2009 | 10:00 PM
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With just a cam?..the answer is no! But like Formula and everybody else is saying if you stroke it or use NOS the answer is yes it will help.
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Old Feb 12, 2009 | 03:02 PM
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mine is stroke and built for nitrous, I just thinking about running all motor for alittle while since I sold my kit. Which should I get then msd 6a or 6AL?? Im still on the factory pcm and opti. but tuned already for N/A for now... Oh also if you guys have the part # also. I got the msd coil already just need the harness and which msd..
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Old Feb 12, 2009 | 03:07 PM
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Originally Posted by 1 F8L Z
mine is stroke and built for nitrous, I just thinking about running all motor for alittle while since I sold my kit. Which should I get then msd 6a or 6AL?? Im still on the factory pcm and opti. but tuned already for N/A for now... Oh also if you guys have the part # also. I got the msd coil already just need the harness and which msd..
Well if you are not spraying, then you should be fine without one.
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Old Feb 12, 2009 | 06:48 PM
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thanks for your help guys
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