MII Directional Stability

[sawzall]

I hope I'm right, perhaps if nothing else the bar will mask some of the symptoms.

I just put a rear bar on my 40 wagon and the difference is notable, but a 40 woodie is a great deal taller than A 53 chev...

I hope that you continue to report on the ultimate solution to this problem.

[rockable]

Bars did not arrive yesterday, so it will be next weekend before I get them installed. I'll keep you posted.

[48FordFanatic]

Originally Posted by rockable

Bars did not arrive yesterday, so it will be next weekend before I get them installed. I'll keep you posted.

I have sway ( or roll ) bars front and rear on mine. It does make a big difference in the handling. I have skipped over a bit of this thread and so I apologize if I'm repeating something already said. If the twitchy /quick handling is your issue, I'm convinced that after trying shims ,etc that too much pressure is not the cause. I believe that as has been said by some, there is just too much flow from the GM pump and when on the highway while trying to go straight the result of the excessive flow is a quick movement of the rack which you end up chasing. If you remove the flow valve from the pump ( not the pressure valve that involves the shims ) you will see a hole about 1/8 inch diameter in the side of the tube section away from the threaded end. This is the flow orifice that allows fluid to flow from the pump to the discharge port. But there is also another smaller hole that is between the threads and the O-ring. This hole is drilled to allow some of the fluid to bypass the discharge port directly back to the tank.

My theory is that shims aside, to reduce flow to the rack you can do one or both of the following. Reduce the size of the flow orifice and , or increase the size of the bypass orifice.

John

[rockable]

Shazam! The Chassis Engineering bars made a big difference in the handling of the car. No more jumping and steering itself all over the place and you can drive with much more confidence. I will play with them a little this weekend and see if just one is better than both. Right now it is a big improvement over what I've had. Pictures this weekend.

[rockable]

Just to close the loop on this thread, the Chassis Engineering sway bars made more difference to the handling of this car than anything else I did. It now drives and handles great!

[Grumpys Hot Rods]

Thanks for the update. I have a 1939 ford with mII and have not installed my sway bars.
Sounds like I should off my ass and install my sway bars !!