Looks like a military version to me, but as long as it's not got the original front seat, I'd bet the 421 (If it really is one) isn't original either. But for the price, a 421 would be great fun in this vehicle. Pity it's so far away.
http://anchorage.craigslist.org/cto/2631757840.html
1964 Pontiac Ambulance - $1750 (Palmer)
Date: 2011-10-19, 10:51AM AKDT
Reply to: see below [Errors when replying to ads?]
1964 Pontiac Ambulance, has PONTIAC BIG BLOCK 421 POWER PLANT, the trans & drive shaft are both inside in the back. $ 1,750.00 O.R.O. John 745-2652
http://anchorage.craigslist.org/cto/2631757840.html
1964 Pontiac Ambulance - $1750 (Palmer)
Date: 2011-10-19, 10:51AM AKDT
Reply to: see below [Errors when replying to ads?]
1964 Pontiac Ambulance, has PONTIAC BIG BLOCK 421 POWER PLANT, the trans & drive shaft are both inside in the back. $ 1,750.00 O.R.O. John 745-2652

