do i need a mag?
 

BBC427, methanol injected, nat asp. 1/4 mile drag,

do i need a magneto? :wink:

Nope you need a MSD unit with, anything from a 6AL to a 7AL3 box. More fire power and less HP drain than a Mag.

JMO

Zip.

do you run methanol and a MSD unit? which box? no problems?

I run a 7AL2 with a pro power coil on a 15:1 alky injected 434. On a couple of occasions it has fired a 15% tip of the can without issues.

what sparkplugs? how much gap?

With my 582 and alky injection, I ran a 6al, 7al2,7al3 and 7530t digital. No difference in et with any and they all did just fine.

thanks David....thats the kind of info i was looking for! gonna get my box checked out...

NGK 8's set @ .024 gap, with a 6AL, same setting with 7AL2. I've never ran a 7AL3, so i don't know the difference.

Zip.

I run an autolite AR3934 @ .030

AR3910s gapped at 30, Extended tip plugs, A lot of engines miss without them.