Jump to content

Adding more diff drop to my rc 7.5" knuckle kit

Denali62

By Denali62
in Modifications & Accessories

Recommended Posts

Denali62 Enthusiast

Denali62

Posted
Posted

I have to do something to better my driveline angles. I'm am just not sure where to get just diff drop brackets and if I'll need a new front driveshaft to make it all work. Anyone have experience with this? My angles are about the same as they were with a 2.5" level and I can feel the cv joints not liking the angle when I put it in 4wd. I've messaged fts(the kit I probably should have got in the first place) and asked if they could just sell me the diff drop and associated parts to make it work.

  • Replies 35
  • Created
  • Last Reply
Denali62 Enthusiast

Denali62

Posted
  • Author
Posted

I love the rc kit otherwise. Just needs more diff drop. I will get it figured out even if it means a new driveshaft.

Denali62 Enthusiast

Denali62

Posted
  • Author
Posted

I'm running the 7.5" knuckle kit no extra spacers if that question was directed to me

Denali62 Enthusiast

Denali62

Posted
  • Author
Posted

Just got off the phone w fts they will sell the diff drop and bolts for around 400 I'll let you guys know how it works with the rc kit. I'll have to modify or remove the skid plate most likely. They also said I could use the stock driveshaft

skallywag Enthusiast

skallywag

Posted
Posted

Just got off the phone w fts they will sell the diff drop and bolts for around 400 I'll let you guys know how it works with the rc kit. I'll have to modify or remove the skid plate most likely. They also said I could use the stock driveshaft

Easy to get ahold of them? If I'm going to get their parts I may as well get their kit

Denali62 Enthusiast

Denali62

Posted
  • Author
Posted

Yeah just call the email on their site does not work. I feel the same wAy and am kinda sick about it.

 

The only reason I didn't go fts was because they would not reply to my emails . One call is all it would have taken.

 

 

But I do feel the rc kit with the fts diff drop is a decent setup. Anyone else care to point out anything else that I might be missing?

skallywag Enthusiast

skallywag

Posted
Posted

Yeah just call the email on their site does not work. I feel the same wAy and am kinda sick about it.

 

The only reason I didn't go fts was because they would not reply to my emails . One call is all it would have taken.

 

 

But I do feel the rc kit with the fts diff drop is a decent setup. Anyone else care to point out anything else that I might be missing?

Awesome to hear. Sorry you had to learn the hard way but helps the rest of us out.

Denali62 Enthusiast

Denali62

Posted
  • Author
Posted

Glad to contribute. i truly hope this does help out people in the future. myself included

Denali62 Enthusiast

Denali62

Posted
  • Author
Posted

They called back this morning and after talking with their techs it won't work. The fts diff drop is closer to 8". The drops on the rc kit is 5.75 ish.

 

 

I'm gonna make some 3/4" spacers to just get the angle liveable. I can feel the vibration in my steering wheel when I'm in 4wd.

Archived

This topic is now archived and is closed to further replies.

Go to topic listing

  • Recently Browsing   0 members

    • No registered users viewing this page.

  • Forum Statistics

    250.4k
    Total Topics
    2.7m
    Total Posts

  • Member Statistics

    342,840
    Total Members
    8,960
    Most Online
    appletrav
    Newest Member
    appletrav
    Joined

  • Who's Online   0 Members, 0 Anonymous, 409 Guests (See full list)

    • There are no registered users currently online

  • Latest Articles

  • Posts

    • newdude
      2 speed transfer case optional now?

      By newdude · Posted

      This is a 1/2 ton thing ONLY.  All HDs 2020-2026 have the two speed transfer case, with Autotrac as an option.     1/2 tons 2019-2026, regular 4x4s come with a single speed case (no 4LO!), and trucks with Z71 ordered, or all Trail Boss trucks come with the 2 speed case.  2 speed case is also an option on WT, and is also standard on High Country.  
    • newdude
      Different requirements for oil filters?

      By newdude · Posted

      2013 5.3 still to this day calls for the PF48 filter.  Which as a 15psi bypass pressure.     There is a TSB, 17-NA-157 that talks about the PF-63 and PF-64 filters which have a higher bypass rating of 22psi.    TSB HERE - temp.xml   "Beginning in 2012, the oil pumps began to regulate main gallery feedback instead of pump out pressure. This means that the oil pump now does not begin to regulate until pressure is built up to the main gallery. This change reduces the amount of time it takes to provide oil to the engine bearing and lifters during extreme cold start conditions.  Main gallery feedback oil pump control systems are present on the following engine families which use Spin-on oil filters: Small Gas Engine (SGE), Large Gas Engine (LGE), High Feature (HFV6) Gen2 and Small Block Gen5 gasoline engines. These engines with the main gallery feedback oil pump control systems are factory built with an ACDelco® oil filters"   It also calls out what engines use those filters.  The gen 4 small blocks were not on that list (LMG, LC9, L9H, L92, L94, L20, L96).  Gen 5 small blocks use the higher pressure filter.          That all said...   Your 7045 Napa filter is the PF63 equivalent, with 22psi bypass.  You are already using the higher bypass pressure filter.  You CAN keep using it, you don't technically have to use it though.  
    • Grumpy Bear
      Different requirements for oil filters?

      By Grumpy Bear · Posted

      Do you know WHY the filter relief setting was increased to 22 psig?    When the new system goes into the second stage the pump volume ramps up considerably. It was found that the 15 psi filter bypass setting put the filter in bypass on a warm engine when the second stage was activated. Raising the filter bypass setting forced the filter to do what it designed to do. Filter. Preventing debris from circulating during high load, high rpm operation.    So next question is how did GM find this out? VLOM/lifter failures and a deep dive by Melling Corp.    Last question. Is it required? Look at it like this; a motor may be equipped with a rev limiter. But it only works if the set point in reached. That 22 psig setting only matters if the pressure differential across the filter media exceeds 15 psig during normal warm operation. Second stage kicks in around 3000-3500 rpm.    I can't answer your question because I don't know you and how you use the truck. But I think there is enough information here to let you decide for yourself. 😉
    • Coastie05
      give me some tips to make my truck look better

      By Coastie05 · Posted

      Go back to OEM wheels. 
    • newdude
      2020 Trailboss 6.2 replacement

      By newdude · Posted

      Probably not their first rodeo, so it should go as planned most likely.  Typically the service manager or tech doing the swap will put some seat time to shake it down after they get it all put back together.  We usually put 50-100mi before we hand them back so if something happens, its not after you get it.  A coolant leaks, oil leaks, a ground left off or loose, vibration, etc.     The new engines so far have been good?  There's been a couple that have popped out there again (the replacement engine) but most have been okay.  

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...