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Mikz86TA
09-16-08, 04:56 PM
So I finally got around to installing the Mallory 6A ignition box I had.
I was doing some more of the underside resto on the TransAm and ran out of paint and stainless hardware. So I came to a stopping point and needed something to do. I didnt have time to get into the rocker arm swap, tho I think I have everything I need for that now. So the easiest upgrade was the ignition.

Nothing really difficult about the install. Read the instructions and follow the diagrams.

I placed the box tucked neatly between the PCM and FanBox.
I wired the coil and trigger wires straight across to the MSD coil. I put quick disconnects in case of box failure I can quickly re-connect it back stock.
I ran the ground and batt wires up to the battery.
Loomed, soldered, taped, heatshrinked, etc. Other than the big red anodized box, its fairly stealth.
Took all of about 1 hour taking my time.

Pics :

http://i157.photobucket.com/albums/t43/Mikz86TA/Truck/Mods%20and%20Work/S10-MalloryBox1.jpg

http://i157.photobucket.com/albums/t43/Mikz86TA/Truck/Mods%20and%20Work/S10-MalloryBox2.jpg

http://i157.photobucket.com/albums/t43/Mikz86TA/Truck/Mods%20and%20Work/S10-MalloryBox3.jpg

She fired right up without a hitch. Good thing since it was a used box.
Does seem to crank a bit quicker and idle seems smoother. I gave it a few revs and it seemed responsive. Ill give it a few days of testing, cold cranks, warm cranks, etc to see if I realy noticed the improvements.
Ill drive it later and see how she does laying into it, top end pulls, etc.

04silveradomykk
09-16-08, 05:13 PM
Cool, I noticed a bit doing the MSD 6a on my 2004.

I did a Mallory VI A on my 1936 Chevy Rat Rod, I went with a mallory box because the SBC had a Mallory Uni-Lite distributor.

Mikz86TA
09-16-08, 05:23 PM
Yeah, the Mallory is digital whereas the MSD 6A/6AL's are analog. So in digital I was looking at Crane and Mallory. But the Mallory new was way cheaper since you can get it without rev limiters. Since the trucks PCM has rev limiter built in, I went looking for a Mallory that was basic to keep cost down. No sense in getting more than I needed.
I found this one for a steal on the ThirdGen forum. It was calling my name LOL
I have a 6AL MSD on the TransAm. I went with that for the need of a rev limiter, well known and I have a MSD Billet dizzy that it plugs right into.
I dont expect much really. But every bit could help Im sure.

THX for the comaplements

bespurcell
09-16-08, 08:43 PM
Looks good Mike.

Jongo88
09-17-08, 06:05 AM
Yeah, the Mallory is digital whereas the MSD 6A/6AL's are analog. So in digital I was looking at Crane and Mallory. But the Mallory new was way cheaper since you can get it without rev limiters. Since the trucks PCM has rev limiter built in, I went looking for a Mallory that was basic to keep cost down. No sense in getting more than I needed.
I found this one for a steal on the ThirdGen forum. It was calling my name LOL
I have a 6AL MSD on the TransAm. I went with that for the need of a rev limiter, well known and I have a MSD Billet dizzy that it plugs right into.
I dont expect much really. But every bit could help Im sure.

THX for the comaplements
Keep us posted on what you find out. Like power and mpg and so on..

Jongo88
03-12-10, 05:38 PM
Now that you have some drive time how do you like it???

Mikz86TA
03-12-10, 06:17 PM
No problems. To be honest IDK if it did much by way of HP improvement. Im sure just a little

93_deuce
03-30-11, 12:28 PM
Is this possible on a 93 CPI? I've been hunting an idle/timing issue for awhile and I have exhausted all options.

May be time to upgrade the ignition but I'm electrically "stupid" so I'm not sure what would work on a CPI motor....any thoughts?