Questions on installing rear blocks, '08 250 - Ford Powerstroke Diesel Forum
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Old 09-28-2013, 12:42 PM
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Questions on installing rear blocks, '08 250

I've heard this is a relatively easy project and after extensive searching and want to make sure I'm clear on what's involved before I get started. First off I'm the new owner of an '08 250 from California which couldn't make me happier due to the fact how brutal the Utah winters are on vehicles, the undercarriage looks new compared to similar model years/miles from my area.

The process as I've been able to see it involves placing a jack/stand under the axle and removing the u bolts, then jacking the springs enough to remove and replace the block (is the factory block or new one for that matter attached in any way other than the pin?) and reinstalling the new u bolts. Will I need to disconnect the lower shock mount?

Is there more to the process of adding the shim to the carrier hanger other than removing the bolts and sliding it in, and will this step be the last one?

The truck came with a level kit and sits 98% level but with our camper's dry tongue weight of 800 lbs (bumper pull) this seems to be the right move even with our WD hitch.

Seems very straight forward, am I close on the process? Thanks in advance!
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Old 09-28-2013, 01:07 PM
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Originally Posted by akacliph View Post
I've heard this is a relatively easy project and after extensive searching and want to make sure I'm clear on what's involved before I get started. First off I'm the new owner of an '08 250 from California which couldn't make me happier due to the fact how brutal the Utah winters are on vehicles, the undercarriage looks new compared to similar model years/miles from my area.

The process as I've been able to see it involves placing a jack/stand under the axle and removing the u bolts, then jacking the springs enough to remove and replace the block (is the factory block or new one for that matter attached in any way other than the pin?) and reinstalling the new u bolts. Will I need to disconnect the lower shock mount?

Is there more to the process of adding the shim to the carrier hanger other than removing the bolts and sliding it in, and will this step be the last one?

The truck came with a level kit and sits 98% level but with our camper's dry tongue weight of 800 lbs (bumper pull) this seems to be the right move even with our WD hitch.

Seems very straight forward, am I close on the process? Thanks in advance!
You got it man get er done
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Old 09-29-2013, 06:50 AM
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I'm ready too. Is it really necessary to lift the axle, other than having more room with the wheel off? This may sound stupid but how will I know if I need the carrier spacer?

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Old 09-29-2013, 06:57 AM
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I just left my wheels on and lifted from the receiver hitch no problems and plenty of room. I doubt you will need a spacer what if your just putting in an 350 block.

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Old 09-29-2013, 07:28 AM
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Originally Posted by akacliph View Post
I'm ready too. Is it really necessary to lift the axle, other than having more room with the wheel off? This may sound stupid but how will I know if I need the carrier spacer?

Won't need a carrier spacer man! Just keep the axle from moving as much as possible no reason to lift it.
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Old 09-29-2013, 08:51 AM
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Thanks for the info everyone.

With the level kit already installed will the rear blocks need to be tapered or not? I'm getting some different info on this, also if the shim is needed or not... The level kit looks to be a pro comp with 9000 shocks front and back, tires are 35's with PLENTY of room up front...

Does anyone know the stock thickness of the carrier shim? Can't find this info.

Last edited by akacliph; 09-29-2013 at 10:32 AM.
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Old 09-29-2013, 11:59 AM
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rule of thumb for a good starting point is 1/4" carrier shim for every in of lift.
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