Pro-Comp 6.5" lift and Pitman Arm Question - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 02-06-2012, 08:18 AM Thread Starter
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Pro-Comp 6.5" lift and Pitman Arm Question

I bought some 6.5" springs from a friend of mine for my 2003 F250 6.0. I know that I need a drop pitman arm. I ordered one from performace4trucks.com. The one i asked for said it was for a 4"-6" suspension lift. The one that the guy put on the order is a pro-comp 4" drop pitman.

First question is, is there a difference between the two and will a 4" work with 6" of lift?

Second, will I need bigger one if I decide to go to 8" lift?

Thanks in advance and pardon the newbie questions.
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post #2 of 6 Old 02-06-2012, 11:17 AM
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From my experience, the Pro-Comp 6.5 springs will need an 8 inch rear set up to sit level. I took out the bottom 3/8" plate AND the next two leafs and mine is still a touch high in the front, not much. Out back I have Pro-Comp 6" springs. In short, considering I took 1.5" of spring out of mine, they would be great with 8" out back.

I'm using a 4-6 pitman arm and a track bar drop for a 6" lift. Everything works pretty good.

Karl and his 2003 6.0

Barefoot Accelerator Pedal
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WHAT!?! I was trying to list stuff that everyone else
hasn't already listed for their truck!

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post #3 of 6 Old 02-06-2012, 11:23 AM Thread Starter
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Thats exactly what i was looking for. I had a feeling it would be ok but just wanted to make sure.

So with the 6.5" springs ill need to go 8" in the rear? I always thought that the rear need less lift than the front...
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post #4 of 6 Old 02-06-2012, 11:28 AM Thread Starter
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Also, i know that you are running 365 series tires on your lift with the bumper moved forward (Ive been researching tires lol), do yours rub on the leafs?

Im ordering a set of BFG KM2s and im torn between getting 345/75/16 or 375/75/16..
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post #5 of 6 Old 02-06-2012, 11:42 AM
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Quote:
Originally Posted by bwmtnbiker View Post
Thats exactly what i was looking for. I had a feeling it would be ok but just wanted to make sure.

So with the 6.5" springs ill need to go 8" in the rear? I always thought that the rear need less lift than the front...
When I had 3" hangers/add-a-leaf up front, it tail drug with a 5" block, hence the Pro-Comp 6" rear springs. I forgot this when I bought the 6.5 springs from my friend. I should have bought a 4" spring set.

Quote:
Originally Posted by bwmtnbiker View Post
Also, i know that you are running 365 series tires on your lift with the bumper moved forward (Ive been researching tires lol), do yours rub on the leafs? Im ordering a set of BFG KM2s and im torn between getting 345/75/16 or 375/75/16..
I was running 365s, Toyo quit making them. Anyway, they only hit the leafs at full lock, it wasn't that big of a deal. If I went that wide again, I'd be buying some 12 inch wheels. Even with the off set bead I wore out the centers first at 50psi.

Karl and his 2003 6.0

Barefoot Accelerator Pedal
TRICO Force wiper blades
Yellow Military Aircraft Valve Stem Caps
Offensive "Stick Family" Decal
Big Ol'Honkin 1 1/4" Shank Receiver Hitch


WHAT!?! I was trying to list stuff that everyone else
hasn't already listed for their truck!

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Last edited by Karls03; 02-06-2012 at 11:45 AM.
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post #6 of 6 Old 02-06-2012, 12:09 PM Thread Starter
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Quote:
Originally Posted by Karls03 View Post
When I had 3" hangers/add-a-leaf up front, it tail drug with a 5" block, hence the Pro-Comp 6" rear springs. I forgot this when I bought the 6.5 springs from my friend. I should have bought a 4" spring set.
Ok, I gotcha now.


Quote:
Originally Posted by Karls03 View Post
I was running 365s, Toyo quit making them. Anyway, they only hit the leafs at full lock, it wasn't that big of a deal. If I went that wide again, I'd be buying some 12 inch wheels. Even with the off set bead I wore out the centers first at 50psi.
Yeah im not to worried about the full lock rub, rarely ever do I turn full lock. I may need to double check my rim width before I go to put them on...

Thanks for your help!
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