Hi from SWEDEN.
I wonder what kind of retarder I use best to retard ignition when I use nitrous! I only want to retard ignition in one step.(5-9deegrees.)
I have MSD-opti and MSD 6AL BOX ON MY CAR.
Sincerly Frank.
MSD makes a few options like a digital 6 ignition box which will let you do a single stage retard. or they also make a multi stage retard box.if I remember correct you need to retard the timming 4 degrees for every 50 HP of nitrous
Yes, the Digital 6 will give you the retard. However, if you're running anything over a 50-shot with a streetable torque converter, you should run a window switch, so I used the Mallory 685 box, which has a built-in window swtich.
And that's 4 degrees per 100 hp of nitrous.
that mallory is a pretty nice unit.I was gonna upgrade from my 6AL to a digital 6.I have a vigilante 2800 stall in my 95 SS ,so would it be better to upgrade to the mallory?and also I have the MSD blaster coil how would that wire into the mallory or would I have to upgrade to a mallory coil and which one if you know off hand?
Since you're already running an MSD box, I assume you have their harness that adapts to the coil plug. If so, the Mallory box will be a direct plug-in replacement for the MSD box. I used the MSD adapter harness with the Mallory box.
I have a Mallory 685 in perfect condition. $150 shipped in continental US.
PM me. I haven't used it since pulling the stock motor.
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