Mark T Posted 4 hours ago Share Posted 4 hours ago Can't help but think Freightrain could clear this up. But I'm pretty sure a 351M is in the 335 family. Quote Link to comment https://www.bigmacktrucks.com/topic/76048-pictures-of-the-week/page/5/#findComment-585878 Share on other sites More sharing options...
The Rubber Duck 006 Posted 3 hours ago Share Posted 3 hours ago Hope this helps. Quote Link to comment https://www.bigmacktrucks.com/topic/76048-pictures-of-the-week/page/5/#findComment-585888 Share on other sites More sharing options...
The Rubber Duck 006 Posted 2 hours ago Share Posted 2 hours ago 8 hours ago, 1958 F.W.D. said: 351M? I know thats a destroked 400....But is a 351M the same as a 351 Windsor? 351M is a 5.8 liter V8 alot of guys call them a 351Modified 400. 400M is a6.6 liter V8. Quote Link to comment https://www.bigmacktrucks.com/topic/76048-pictures-of-the-week/page/5/#findComment-585889 Share on other sites More sharing options...
The Rubber Duck 006 Posted 2 hours ago Share Posted 2 hours ago Very good motor and I removed the stock exhaust and had Custom straights to cherry bomb mufflers to 3 inch tips put on my Bronco. And didn't have a catalytic converter to worry about just true dual exhaust off each manifold. Loved that Motor!!! Quote Link to comment https://www.bigmacktrucks.com/topic/76048-pictures-of-the-week/page/5/#findComment-585890 Share on other sites More sharing options...
D-Day Posted 27 minutes ago Share Posted 27 minutes ago The 351 M and 400 are based on the 351 Cleveland large block and canted valves the 351 windsor is based on the 289 narrow design and smaller heads with straight valves or perpendicular in line valves kind of like the difference between the chevy big bock and small block, windsor being the small block Quote Link to comment https://www.bigmacktrucks.com/topic/76048-pictures-of-the-week/page/5/#findComment-585896 Share on other sites More sharing options...
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