Cutting front bag cups- again

[Frizzle Fry]

Originally Posted by hotrodhomi

This is on a '72 with 73+ control arms.

I think I've read that the 73+ arms have shallower spring pockets. This is how people can get away with cutting the cups down to 0.75"-1" with those arms. Again, I've only read this and have no first hand exp with the 73+ arms...

[hotrodhomi]

Originally Posted by Frizzle Fry

I think I've read that the 73+ arms have shallower spring pockets. This is how people can get away with cutting the cups down to 0.75"-1" with those arms. Again, I've only read this and have no first hand exp with the 73+ arms...

I ended up cutting mine to 1 5/8" and I have only about 1/4" of clearance when fully slammed.

[gringoloco]

Originally Posted by hotrodhomi

I ended up cutting mine to 1 5/8" and I have only about 1/4" of clearance when fully slammed.

Same here. 1" was too short...

[jlaird]

Originally Posted by hotrodhomi

I ended up cutting mine to 1 5/8" and I have only about 1/4" of clearance when fully slammed.

hotrodhomi, gringo, 1/4" clearance from and to what? bag to arm? So with a 1 5/8 cup, the bag wont touch the arm when fully slammed?

Did you guys use the SD cups? I thought I remember reading they are slightly too wide for the cup to lay down on the bottom of the spring cup.

[gringoloco]

Originally Posted by jlaird

hotrodhomi, gringo, 1/4" clearance from and to what? bag to arm? So with a 1 5/8 cup, the bag wont touch the arm when fully slammed?

Did you guys use the SD cups? I thought I remember reading they are slightly too wide for the cup to lay down on the bottom of the spring cup.

The bottom outside edge of the lower bellows rubbed the spring pocket at the inner edge(towards the cross-shaft) and where the pocket bulges to clear the shock mount bolt. At 1.5" total height using SD cups, I cleared the inner but had to massage the shock mount area.

1 5/8" should be perfect. These problems were all at ride height with the bag inflated to 6" tall. Deflated will touch, but it shouldn't matter...