4/6 or 5/7 drop on a crew cab short bed

Slammed2000

Slammed2000

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Jun 10, 2013
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I'm looking to buy a crew cab and sell my single cab and my daily beater s10 so I can buy a crew cab, wanna lower it 4/6 or 5/7 on some Sierra reps, gunna do a 20 with a 275/45 tire, what kinds of issues or things do I need to watch out for goin that low? I ideally want to do 5/7 cause the roads here in Missouri are pretty smooth and I love that low static drop look, but just want to know what things I could encounter and what I may need to cut or modify to make it fit
 
I'd plan on doing a 2 piece drive shaft from the jump, mini tub and roll your fenders, and raise your tranny crossmember for sure. Maybe helper bags if you ever plan on hauling or towing anything. 275/45s might be a tad big at 5/7 imo. You could probably clearance your fender enough to make them fit but I know they were too big for my truck when I was a little lower than 5" up front. They rubbed A LOT. lol

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Damn I might stay closer to 4/6 then

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I thought they already had a two piece drive shaft?
 
Dakota said:
I'd plan on doing a 2 piece drive shaft from the jump, mini tub and roll your fenders, and raise your tranny crossmember for sure. Maybe helper bags if you ever plan on hauling or towing anything. 275/45s might be a tad big at 5/7 imo. You could probably clearance your fender enough to make them fit but I know they were too big for my truck when I was a little lower than 5" up front. They rubbed A LOT. lol

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This.


Slammed2000 said:
Damn I might stay closer to 4/6 then

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I thought they already had a two piece drive shaft?
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You can go 5/7 but run a 275/40 or even a 275/35. NBS crew cabs have one piece driveshafts.
 
275/45 isn't really the best for 5/7 but not terrible I rubbed a little at 5.5, mainly big dips and hard turns
 
I've had both those drops of my old NBS CC. I would suggest 255/50r20 on a 4/6. 27s are to wide fopr the factory wheel and buldge. 255/50 fit better, same overall circumference and don't rub(my rcsb nbs had a 4/6 and 275/45 and they rubbed on full lock from width). At that setup it was super Daily-able. I went to 5/7 and 22's and it all went out the window. Had to mini tub the front, 2 piece driveshaft swap and run a 265/35r22. Yopu will need helper bags for sure at 5/7 if you want to ever use the bed, 4/6 you can get away with it

4/6 255/50

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I ran mine without it for years no issues. 1 piece fails at high horsepower and drops lower then 4/6. Just make sure it isnt rubbing anywhere
 
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I don't plan on adding any kind of horsepower, it just kinda bums me out to do a 5/7 cause I don't want to do a two piece driveshaft lol, I just really like low static drops, I got a problem with goin low it's never low enough haha

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But also the wife keeps bugging me not to sell the single cab, and I really don't want to sell it, cause that's what I wanted go ham and throw parts at, but my daily beater is just a snowball effect of problems, idk I may not be able to part with the single cab and might have to keep it and figure out another daily situation, thanks guys for the help, this info won't go to waste cause I still plan on getting a crew cab and lowering it in the future
 
Keep in mind. If you get belltech 2-3" drop coils, spindles and a flip get to 6". All you ahve to do to go to 5/7 is set the coil to 3" and add a 60$ drop shackle. You can easily go back and forth with the only added cost of an alignment
 
Yea I goin through that with my single cab, I have everything together for the truck I have now, I just wanted to know how much different it was to lower a crew cab
 
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