CST 2wd Lift Buildup/tech/Q&A - Dodge Cummins Diesel Forum
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post #1 of 62 (permalink) Old 12-30-2011, 04:06 AM Thread Starter
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CST 2wd Lift Buildup/tech/Q&A

Here is the new thread... For anyone interested in the CST. I will be posting pics soon of the buildup and modifications. Any questions on what will fit or what it takes just ask. This is a continuation for the guys that I have been chatting with on the other thread.


Happy wife, happy life... Just send purchased parts to your neighbors house and she will never know.
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post #2 of 62 (permalink) Old 02-09-2012, 11:37 PM
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I guess not too many people running the CST suspension. Post pics if of your lifted 2wds. Also should i go with the pro comp shocks??
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post #3 of 62 (permalink) Old 02-10-2012, 07:57 PM
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There's really not a lot of questions to be answered. It's a straightforward parts replacement.

Search my username. I've got a thread in this section with some before and after pics of my old truck.
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post #4 of 62 (permalink) Old 03-12-2012, 11:52 PM
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Could I run a 35" tire mounted on 18" rims with +18mm offset without rubbing?


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2003 2500 2wd on 35's, 6spd, Southbend 3250DD, Smarty, II 60's, Fass 95gph, Killer B
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post #5 of 62 (permalink) Old 03-14-2012, 02:15 AM
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I ran a 35x10.50 on a factory wheel with a .5" spacer With MINOR rub at full lock.

If doing it again, I would buy wheels with an offset to move the tires out farther. The sidewalls were mm from the control arms.
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post #6 of 62 (permalink) Old 03-15-2012, 12:19 AM Thread Starter
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18 x ? ... +18mm offset is different on different width rims.

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post #7 of 62 (permalink) Old 03-15-2012, 12:22 AM
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Wouldnt that +18 off set rub on the cst spindle?
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post #8 of 62 (permalink) Old 03-15-2012, 12:24 AM Thread Starter
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depends on the width of the rim

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post #9 of 62 (permalink) Old 03-15-2012, 09:44 AM
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XD Spy, 18x9. If they rub could I use wheel spacers to fix it?


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2003 2500 2wd on 35's, 6spd, Southbend 3250DD, Smarty, II 60's, Fass 95gph, Killer B
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post #10 of 62 (permalink) Old 04-02-2012, 02:45 PM
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Quote:
Originally Posted by BruteRam View Post
XD Spy, 18x9. If they rub could I use wheel spacers to fix it?


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With this lift you have to consider two points of rubbing - first and formost, you have to be concerned with the wheel/tire rubbing the new spindle. The stock rims have 6.25" of backpacing approximately (17x8 with something like +45 offset). You can't run the stock wheels without a 1/2" spacer because the wheel/tire will rub the spindle - so that puts you at a MAXIMUM of 5.75" of backspacing. I tried this and the wheel/tire is just too damn close for my tastes. I ended up with a 17x9 wheel with +10 offset with calculates to 5.36" of backspacing and that IMHO is the most you want. So your 18x9 wheels with +18 offset calculates to 5.68" backspacing so in theory they barely fall under the 5.75" max backspacing but I wouldn't run them that close. Also understand that each manufacturer may measure differently so you will need to test fit them as well. I do like those XD Spy wheels however - very nice looking!

The other places you have to worry about rubbing really depends on the size of the tire (but is impacted by the size of the rim and backspacing as this can push the tire out further). Depending on tire size, you could rub the front bumper, front airdam or the inner fender in the back of the wheel well when turning full lock. Prime example - I have 315/70/17 BFG AT tires. Originally I had them on the stock 17X8 wheels (with a 1/2 spacer) and had no issues with the tire rubbing. I then went with 17x9 wheels with a +10 offset and I rubbed the front airdam ever so slightly when turning the wheels lock to lock - enough to make me take the sawsall/dremel to the air dam to relieve the rubbing. When I replace these tires, I want to go with 37's and I anticipate I may have some additional cutting to do to clear those.

Hopefully that helps...
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post #11 of 62 (permalink) Old 05-04-2012, 05:02 PM
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Any updates with pics? I ended up with an 06' Mega 2wd and would like to do this lift. Aslo interested in the logistics involved. Brake lines? allignments? Anything to worry about running 33"s with a 17x9 4.5bs rim? Will the rear end need a block?

Thanks

06" 2500SLT 2WD MegaCab

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post #12 of 62 (permalink) Old 05-09-2012, 11:27 PM
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Quote:
Originally Posted by Beetleman19 View Post
Any updates with pics? I ended up with an 06' Mega 2wd and would like to do this lift. Aslo interested in the logistics involved. Brake lines? allignments? Anything to worry about running 33"s with a 17x9 4.5bs rim? Will the rear end need a block?

Thanks
You can go to this link installing-cst-lift-2500-megacab and check out pictures of mine with the CST lift and a 3" body lift. I just added Prestige fender flares so I need to update the pictures.

I ran 35s on mine with just the body and a spring spacer so 33s will be no issue. With 4.5bs rims, your tires are going to stick out well past the fenders.

WIth a 2006 you will need the brake lines that come with the CST kit - the lines are too tight without them. Mine aligned perfectly so no issues there.
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