Contour Enthusiasts Group Archives Forums Modifications Duratec Performance Just bought some 94 Shore A Urethane

Originally posted by stepmar2:

---

Filling both roll restrictors may cause heavy NVH and will probobly not gain very much more torque at the wheels over the front filled mount and a new stock mount ( or you can use roof and flashing poly for the rear restrictor). This will keep it tight, but cut down on unnecessary NVH at the same time! If you think about it, this is probobly why Energy Suspensions still hasn't manufactured a rear mount insert! Usatisfactory NVH to torque transfer ratios.

---

You are missing the ENTIRE POINT.

Less driveline lash equals better traction and less wheel hop.

This is NOT done to increase power output to the wheels. How could it? Once the driveline is wound up it's wound up. I suppose "technically" it would put more power down a hair sooner, but it will not make the driveline use less power.

This is just limiting the travel to maximize traction and minimize the driveline's effect on handling. (I.E. stop oscillations)


BTW I've tried all sorts of soft urethane and it never holds up for very long (3m window weld, industrial urethane, etc)
I can't wait to put in my roll resistors made from the 94A Urethane Casting Compound. (not just filled holes)

Originally posted by DemonSVT:

---

Originally posted by stepmar2:

---

Filling both roll restrictors may cause heavy NVH and will probobly not gain very much more torque at the wheels over the front filled mount and a new stock mount ( or you can use roof and flashing poly for the rear restrictor). This will keep it tight, but cut down on unnecessary NVH at the same time! If you think about it, this is probobly why Energy Suspensions still hasn't manufactured a rear mount insert! Usatisfactory NVH to torque transfer ratios.

---

You are missing the ENTIRE POINT.

Less driveline lash equals better traction and less wheel hop.

This is NOT done to increase power output to the wheels. How could it? Once the driveline is wound up it's wound up. I suppose "technically" it would put more power down a hair sooner, but it will not make the driveline use less power.

This is just limiting the travel to maximize traction and minimize the driveline's effect on handling. (I.E. stop oscillations)


BTW I've tried all sorts of soft urethane and it never holds up for very long (3m window weld, industrial urethane, etc)
I can't wait to put in my roll resistors made from the 94A Urethane Casting Compound. (not just filled holes)

---

That is exactly what I am trying to explain. I guess the words didn't come out as acceptable as yours though.
Heres my pics of the front restrictor.