PDA

View Full Version : 71 ambassador 401


Bulltear Ad
Bulltear Ad

wizzard
09-04-2006, 03:38 PM
that's what i got it out of years and years ago. last winter i redid it.
30 over
10.5 pistons
520/544 melling cam
running a motorcraft ign
650 dbl pumper
ok this is in a mud jeep
what spark plugs should i be running?

BREK
09-05-2006, 09:07 AM
I use NGK v-power #GR4 in my 390, try them and see what happens.

wizzard
09-05-2006, 10:14 AM
i'll give them a try. thanks

Holeshot
10-12-2006, 08:53 PM
You really should up the CFM to at least 850!!! Even a 360 with that combo needs an 850.

Bulltear Ad