Ford Truck Enthusiasts Forums

Notices
1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
Sponsored by:
Sponsored by: Moser

351M vs. 400

Thread Tools
 
Search this Thread
 
Old Jan 1, 2000 | 11:15 PM
Share
  #1  
MWS's Avatar
MWS
Thread Starter
|
New User
25 Year Member
Joined: Dec 1999
Posts: 7
Likes: 0
351M vs. 400
Just out of curiosity, is there a way to tell a 351M from a 400, externally, by the markings or by the code?
 
Reply
0
Old Jan 3, 2000 | 01:34 AM
Share
  #2  
Superdave's Avatar
Superdave
Posting Guru
25 Year Member
Joined: Sep 1999
Posts: 2,297
Likes: 1
From: Indiana
351M vs. 400
I don't know this for a fact but have been told the 400M's crankshaft dampner is thicker than the 351M's. Don't know about casting numbers.
 
Reply
0
Old Jan 17, 2000 | 01:24 PM
Share
  #3  
wnelson's Avatar
wnelson
Senior User
25 Year Member
Joined: Jan 2000
Posts: 174
Likes: 0
351M vs. 400
You didn't say if the motors ae in a vehicle or not but look for stickers on the valve covers, they usually state the engine size.
 
Reply
0
Old Jan 17, 2000 | 01:37 PM
Share
  #4  
wnelson's Avatar
wnelson
Senior User
25 Year Member
Joined: Jan 2000
Posts: 174
Likes: 0
351M vs. 400
 
Reply
0
Back to Subforum
1973 - 1979 F-100 & Larger F-Series Trucks
View Next Unread
Rearends and larger tires




Advanced Search
Reply Closed Thread Share
Forum Jump

All times are GMT -5. The time now is 06:45 AM.

story-0
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-1
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-2
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE
story-3
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

And it might be even better than that.

By Brett Foote | 2026-05-18 19:26:42


VIEW MORE
story-4
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Slideshow: Does lowering an F-150 Lobo RUIN the ride quality?

By Michael S. Palmer | 2026-05-18 19:20:37


VIEW MORE
story-5
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-6
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE
story-7
2026 Shelby F-150 Off-Road: Better Than a Raptor R?

Slideshow: first look at the 810 hp 2026 Shelby F-150 Off-Road!

By Brett Foote | 2026-05-12 12:50:07


VIEW MORE
story-8
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!

Slideshow: Everything You Need to Know about the 2027 Super Duty Carhartt Package!

By Michael S. Palmer | 2026-05-07 17:51:06


VIEW MORE
story-9
10 Most Surprising 2026 Ford Truck Features!

Slideshow: 10 most surprising Ford truck options/features in 2026.

By Joe Kucinski | 2026-05-05 11:17:22


VIEW MORE