PDA

View Full Version : 401 M Startup


Quigley
February 12th, 2017, 02:26 AM
https://youtu.be/bIMWFID3Zyk Video of 401M that I purchased out of San Antonio, Tx. Pretty Happy!!:upyes:

kchampagne
February 12th, 2017, 02:42 AM
Very nice!!!

bigblockv6
February 12th, 2017, 07:21 PM
The 401M looks to be a 72 model year judging by the valve covers, yet it has the breather/filter in the back like pre 68 engines. Most likely it is a 72 built 401M that was a replacement engine for an earlier truck.:thumbsup:

BillT
February 12th, 2017, 11:30 PM
Sounds good.

Funky61
February 13th, 2017, 12:13 AM
Congratulations! Sounds very Throaty and Muscular. :welldone:

TJ's GMC
February 13th, 2017, 03:25 AM
Runs like a top! :goodjob: