Lifting a taller truck with twin post

[Wood'nMetal]

So ran into a little issue while trying to lift my F350 dually 4x4 today.

The front arms hit the running boards before they contact the frame, even with the 4" extension pins on them. I had to use a wood block (don't worry, I was only lifting high enough to take a tire off).

What do you all do when confronted with a similar situation? Do I need to order extra long extensions? I see there are many styles available, include stackable sets. Safe homemade alternatives?

 

[zkdiesel]

Running board superduty fords are hard..... My stackable rotarys have no issues because I have lots of stackable adaptors that go tall enough

 

[02camaro86]

ive had no issues using wood as small extensions, i wouldnt be worried

 

[WhiffySpark]

Add your two inch spacer to it. It'll be fine.

 

[Alexztt]

I stack the extensions at work. It does get more wobbly as you stack though.

 

[cyamaha2007]

I cut 2 solid 12in risers on the lathe at work for the rear. You will also need a skinny frame adapter to fit next to the gas tank.