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#1 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Belltech lowering kit, rear shock mount blocked
So I'm finalizing a belltech lowering kit (705sp) install on my 86 c10 although I've ran into a small problem...the u-bolts interferes with the lower shock mount on the rear.
I can line the bottom hole of the shock up with the mounting hole and push the bolt in from the inside although the bolt hits the u-bolt closest to the shock mount. My speculation is that perhaps the rear end is rotated around too much and should actually be rotated a few degrees back which would then allow full access to the lower shock mount. I guess the other option would be too add washers so the bolt doesn't hit the ubolt bit that doesn't seem like the correct way to fix this. Thoughts? |
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#2 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Belltech lowering kit, rear shock mount blocked
I had the same quirk, and I ~made~ my own flip kit.
I installed the bolt from the inside, and trimmed it (and the nut, I think), to fit. No worries.
__________________
1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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#3 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
Would there be anything wrong with undoing the ubolt interfering with the shock mount, putting the shock bolt in from the outside and then putting the ubolt back on? This way the nut and lock washer would go on the inside and the length of the bolt wouldn't interfere with ubolt.
This leads me to my next question though....how do you ensure the rear end is not rotated arund too much in one direction or the other? |
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#4 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Belltech lowering kit, rear shock mount blocked
You will hate yourself when you want to replace the shocks and you have to undo the u-bolts to do that.
The rear end should not be able to be rotated at all. Do you have a picture of this kit?
__________________
1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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#5 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
Without taking the leaf springs off, that wouldn't work anyway now that I looked at it.
What I mean by rotating is that before the u bolts which hold the rear end to the leaf springs are tightened, the rear end can rotate forward or backward, pointing the drive shaft either more up or more down. Depending on the rotation, this would make the shock mounts more accessible. So before the rear end is tightened, how do you know the shaft has the correct angle? |
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#6 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
Is the number of leaf springs making the difference?
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#7 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
Pictures attached
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#8 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,227
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Re: Belltech lowering kit, rear shock mount blocked
SO, it sounds like the axle tube rests in the bottom of the gusset instead of both tabs or ears are locating the inside of the original leaf spring perch.
This doesn't sound like a tight fit, but I haven't used a purchased off-the-shelf mount, I made my own. First, I'd suggest contacting the supplier/manufacturer and getting their feedback. If that doesn't go anywhere useful, I would grind the inside of the gusset until both tabs/ears made contact. Theoretically, a flip kit will maintain the original pinion angle as before. Failing that, set the pinion at about a degree or so less than the output of the transmission (google "pinion angle"). Without the perch contacting both ears, the axle may rotate and cause problems. Though I could be wrong about it.
__________________
1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
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#9 |
Diggin The SquareLife
Join Date: Dec 2010
Location: garland,tx
Posts: 1,933
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Re: Belltech lowering kit, rear shock mount blocked
His axle didnt rotate...i had this on my c10 wiith belltech flip kit
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#10 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
Both ears are inside the saddle piece but it can definitely rock back and forth before it is tightened down. Even after tightening, both ears do not come in contact. Granted, since it is tight, it won't rock back and forth but I do have some play before tightening it down. But both ears are inside.
Bbbc10, how did you end up doing this with your belltech kit? Thanks guys |
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#11 |
Registered User
Join Date: Nov 2015
Location: Downers Grove IL
Posts: 37
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Re: Belltech lowering kit, rear shock mount blocked
I had the same issue but I used shock extenders. I put the bolt for the shock mount thru the mount and extender then put the U bolts back on. You should use shock extenders.
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#12 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
Sounds good. I don't mind purchasing extenders although Belltech recommended I did not use shock extenders since I got the Belltech Street Performance shocks intended for lowered vehicles.
That being said, any recommendations for as to which extenders I should buy? THANK YOU! |
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#13 |
Registered User
Join Date: Oct 2008
Location: Lethbridge, Alberta, Canada
Posts: 16
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Re: Belltech lowering kit, rear shock mount blocked
This happened to me as well. What I did was use a shorter bolt and a jam nut to fit between the shock mount and U bolt plate. I've since installed shock extenders but what I did worked for the time being. I used Western Chassis extenders from Summit Racing.
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#14 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
Just out of curiousity...did you notice any improvement in ride quality when you added the extenders? I plan on getting some, just curious why you decided to add them after you had the shocks on and everything was working.
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#15 |
Diggin The SquareLife
Join Date: Dec 2010
Location: garland,tx
Posts: 1,933
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Re: Belltech lowering kit, rear shock mount blocked
I didnt do anything, i just put the bolts in from the inside with the nut on the outside an i also had shock extenders with belltech drop shocks mine was lowered 5/7
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#16 |
Registered User
Join Date: Oct 2008
Location: Lethbridge, Alberta, Canada
Posts: 16
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Re: Belltech lowering kit, rear shock mount blocked
Yes, definitely an improvement in ride quality. I would recommend this to anyone doing a flip kit.
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#17 |
yeller
Join Date: Oct 2001
Location: Twin Cities
Posts: 13,826
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Re: Belltech lowering kit, rear shock mount blocked
Exactly, that is all that is needed...don't need to overthink this. Cut down or shorter bolt, nut on the inside. Pretty simple.
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Jeff 73-87.com 73-87.com Facebook page 73-87 cab corner 6x9 speaker brackets for sale 67-72 cab corner speaker brackets for sale 47-54 cab corner speaker brackets for sale |
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#18 |
Registered User
Join Date: Apr 2012
Location: san diego ca
Posts: 618
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Re: Belltech lowering kit, rear shock mount blocked
i used the Western Chassis extenders on mine to. I put air shock on the back to fine tune the height.
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#19 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: Belltech lowering kit, rear shock mount blocked
I thought the purpose of the shock extensions was to correct the shock ANGLE.
My opinion,... but using drop shocks without the extensions, lays the shocks too flat. Meaning they just "pivot" on the shock bolts vs compressing like they should.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#20 |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: Belltech lowering kit, rear shock mount blocked
You are correct Keith. If you look at the shock at rest on a flipped system, the shock has a greater degree of angle than would be considered optimal. Now compress the suspension and the angle increases dramatically offering minimal damping. By adding the shock extenders, you not only make room for a shock with a longer stroke, but decrease the angle effectively improving the efficiency of the shock.
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#21 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
Well I went ahead and got some jam nuts so I could get her back on the road, I hate not having it available to drive. Even without the extenders, rides really great, better than it did. Granted, the shocks that were on were apparently pretty worn out.
The front fenders don't touch the tire in the same spot as the rear though. I figure it is either due to the rear leaf springs being worn -OR- the new front coils just need to settle some. Going to give it a few weeks and see where it ends up and make a decision from there. THANKS TO EVERYONE FOR ALL OF THE HELP AND INPUT! Also, want to thank the guys over at AZ Pro Performance for supporting the forum and helping me with my purchase. ![]() |
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#22 |
Registered User
Join Date: Feb 2011
Location: Senatobia, MS
Posts: 1,294
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Re: Belltech lowering kit, rear shock mount blocked
Truck looks great man!!
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Once a Marine, always a Marine! My (Her) 57 Build "Beverly" My 66 Build "Betty" My 85 C10 "Old Blue" Help Me Find "Old Blue" OLD BLUE PART II |
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#23 |
Registered User
Join Date: May 2014
Location: Texas
Posts: 71
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Re: Belltech lowering kit, rear shock mount blocked
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#24 |
Registered User
Join Date: Jul 2013
Location: minneapolis, mn
Posts: 28
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Re: Belltech lowering kit, rear shock mount blocked
Truck looks great man! Bet it felt good to take the first drive!
TH |
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#25 | |
yeller
Join Date: Oct 2001
Location: Twin Cities
Posts: 13,826
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Re: Belltech lowering kit, rear shock mount blocked
Quote:
Truck looks great!
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Jeff 73-87.com 73-87.com Facebook page 73-87 cab corner 6x9 speaker brackets for sale 67-72 cab corner speaker brackets for sale 47-54 cab corner speaker brackets for sale |
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