I doubt the firing order is the same for Mopar. I know the older motors(small blocks) had Chevy firing orders...........1-8-4-3-6-5-7-2
MOPAR 1 , I'm curious....do you have full duel exhaust on that Aspen? Years ago when I had a Volare I had to run pipes out the sides under the doors because there was not enough room towards the rear for pipes or mufflers. My mufflers and headers always scraped the ground going over bumps.
It has an old 273 with an A-833 4-speed and 4:11 gears.
That's after I tore the weak but tough 225 slant six out of it.
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'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator.
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