351M Vacuum

Reply Subscribe

Thread Tools

Search this Thread

Mar 29, 2010 | 08:50 PM

cdawley4

Thread Starter

Junior User

Joined: Sep 2004

Posts: 76

Likes: 0

From: McDonough, Georgia

351M Vacuum

Hi,

I am in the process of rebuilding my 351M. So far, the mods I am adding to it are as follows

Edelbrock Performer Intake
Edelbrock 650CFM Off-Road Thunder Carburetor
Edelbrock Performer Cam and Lifters
Hedman Headers
Edelbrock Timing Chain and Sprocket

I am rebuilding this engine to go into a truck for my dad. He said he wanted to eliminate as much emissions stuff as possible, as well as most of the vacuum hoses and such. About the only vacuum line he wants on the truck is the hose going from the vacuum advance to the carb. Is that the only vacuum line we need to hook up?

We also noticed some kind of vacuum sensor on the water pump and the thermostat housing that has a vacuum on it as well. We don't know what that is for. Would it be OK to place a plug in those and not worry about vacuum there, if that is what it is for?

Any suggestions would be helpful. We are also considering going with a Mallory or MSD Distributor.

Mar 30, 2010 | 03:30 AM

deces79

Freshman User

Joined: Jul 2008

Posts: 28

Likes: 0

if he wants to get rid of the emissions stuff he should get rid of the heads too than they have egr passages cast into them. thats like 1/4the the egr system

Mar 30, 2010 | 07:24 PM

tinaheels

Senior User

Joined: Nov 2008

Posts: 245

Likes: 4

From: Levittown,PA

Quote:

Originally Posted by deces79

if he wants to get rid of the emissions stuff he should get rid of the heads too than they have egr passages cast into them. thats like 1/4the the egr system

really ? the only passages in 351m heads are exhaust cross over an smog. no egr passage. egr passage is in the intake