Suggestions for Bump Stops

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Jun 30, 2006
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I have a 2.5" OME J lift on my truck with Man-A-Fre 30mm spacers on the front. I have not modified or replaced the bump stops in the front or rear. Any suggestions as to where and what type of bump stops to get? I was thinking that i could at least fabricate the rear bump stops myself, but don't know how big to make the spacers. I figure that it would be easier to use pre-fab stops for the front. I am currently running 305s and not experiencing any rub. I would like to make it so that I can run 315s without any rub.

Suggestions, comments, questions:confused:
 
Bump-stop height is usually dictated by the compressed length of the shocks you are running or the tires. It depends on what hits first. With that much lift I would assume you are using extended OME shocks. If so, it usually takes a spacer of about 1.5 inches to prevent bottoming the shock. As you already observed, the 305's do not rub. I believe that 1.5 to to 2 inches will keep 315s (on stock off-set wheels) from rubbing. You do not want more of a drop than absolutely necessary because that will limit your over-all travel even more.

D-
 
cruiserdan said:
Bump-stop height is usually dictated by the compressed length of the shocks you are running or the tires. It depends on what hits first. With that much lift I would assume you are using extended OME shocks. If so, it usually takes a spacer of about 1.5 inches to prevent bottoming the shock. As you already observed, the 305's do not rub. I believe that 1.5 to to 2 inches will keep 315s (on stock off-set wheels) from rubbing. You do not want more of a drop than absolutely necessary because that will limit your over-all travel even more.

D-

You are right with the extended shocks. So you mean that i will need to extend the stock spacers an extra 2 inches? If I fab my own, it will be stock spacing, plus two inches?

Thanks,

Andrew
 
With extended OME shocks you will need to have whatever bump-stops you choose 1 and 1/2 to 2 inches lower than the stock bumpstop position to prevent the shocks from bottoming out when the suspension is fully compressed.
 
I just used 2.5" 1/4" wall square tube. It's about perfect with the J spring rear and "L" shocks.

posing for Tyler...and I didn't even lift a tire :D
Picture 051.webp
Picture 052.webp
 
FJBen said:
I just used 2.5" 1/4" wall square tube. It's about perfect with the J spring rear and "L" shocks.

posing for Tyler...and I didn't even lift a tire :D

Great pictures Ben! What did you do in the front? I am going to fab the rear spacers and 2.5" sounds good with that setup. What size tires are you running?

Any more suggestions for front spacers?

Thanks,

Andrew
 
FJBen said:
I just used 2.5" 1/4" wall square tube. It's about perfect with the J spring rear and "L" shocks.

posing for Tyler...and I didn't even lift a tire :D

Oh and is there any extra back spacing on those wheels?
 
DeathCruiser said:
Great pictures Ben! What did you do in the front? I am going to fab the rear spacers and 2.5" sounds good with that setup. What size tires are you running?

Any more suggestions for front spacers?

Thanks,

Andrew

So far nothing...:rolleyes: I have Slee 4" springs up front and "L" shocks and still haven't come to fully compressing them. That being said, I'll prolly do the same thing, fab up a bit smaller sqaure tube, prolly 1" 1.5" Again I haven't seen it come close yet with the 4" lift to bottoming out..

I'm running 35X12.50X15 Trxxus M/T's on the stock wheels.
 

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