Oil pan clearance with UMI K-member - Third Generation F-Body Message Boards

Go Back  Third Generation F-Body Message Boards > Tech Boards > Engine Swap > LTX and LSX
Reload this Page >

Oil pan clearance with UMI K-member

LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Oil pan clearance with UMI K-member

Reply

Old 11-04-2018, 08:08 PM
  #1  
Supreme Member
Thread Starter
iTrader: (15)
 
QwkTrip's Avatar
 
Join Date: Mar 2001
Location: Illinois, USA
Posts: 5,059
Oil pan clearance with UMI K-member

Can somebody with a UMI K-member take a picture and measure the vertical clearance between oil pan and the K-member, and state which oil pan you're using? I've heard it is tight and nothing but an LS1 F-body style pan will fit, but hoping there's more room than the rumors say.
QwkTrip is offline  
Reply With Quote
Old 11-04-2018, 09:47 PM
  #2  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

I don't have a picture handy but I too am very much struggling to get the proper pan clearance to the UMI k member. I need the engine to go forward about a half inch. I feel if I shim the trans mount and use three of the four bolts in their engine mounts I "should" get there. Running UMI road race k member with their mounts and an f-body pan.
ShiftyCapone is offline  
Reply With Quote
Old 11-04-2018, 10:00 PM
  #3  
Supreme Member
Thread Starter
iTrader: (15)
 
QwkTrip's Avatar
 
Join Date: Mar 2001
Location: Illinois, USA
Posts: 5,059
Re: Oil pan clearance with UMI K-member

So basically what you're saying is the clearance is nearly nil.
QwkTrip is offline  
Reply With Quote
Old 11-04-2018, 10:05 PM
  #4  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by QwkTrip View Post
So basically what you're saying is the clearance is nearly nil.
Fact. As it sits now the pan is resting on the kmember. The engine needs to tilt in the mounts but you can't do that of you use all four mounting points. I'm also running OEM 4th gen engine side mounts with energy suspension bushings. Starting to get nervous.
ShiftyCapone is offline  
Reply With Quote
Old 11-04-2018, 10:15 PM
  #5  
Supreme Member
Thread Starter
iTrader: (15)
 
QwkTrip's Avatar
 
Join Date: Mar 2001
Location: Illinois, USA
Posts: 5,059
Re: Oil pan clearance with UMI K-member

Oh, boy, sounds like a broken oil pan waiting to happen.
QwkTrip is offline  
Reply With Quote
Old 11-05-2018, 09:01 AM
  #6  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by QwkTrip View Post
Oh, boy, sounds like a broken oil pan waiting to happen.
Yes. My project has stalled a bit until I can get this corrected. My backup plan is the holley pan which gives a lot more sump clearance to the k-member, I don't have a stroker, but would need to reinvest in all my windage mods.
ShiftyCapone is offline  
Reply With Quote
Old 11-05-2018, 12:38 PM
  #7  
Member
iTrader: (14)
 
Thomas Aquinas's Avatar
 
Join Date: Oct 2003
Location: Columbus, Ohio
Posts: 490
Re: Oil pan clearance with UMI K-member

I'm running a 98-02 F-body oil pan on my 408. I probably have about 1/2" clearance between it and the UMI k-member.
I'll try to snap a pic.
Thomas Aquinas is offline  
Reply With Quote
Old 11-05-2018, 12:40 PM
  #8  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by Thomas Aquinas View Post
I'm running a 98-02 F-body oil pan on my 408. I probably have about 1/2" clearance between it and the UMI k-member.
I'll try to snap a pic.

Are you using the UMI mounts as well? What bushings? I've tried to reset the engine and I just can't get the clearance.
ShiftyCapone is offline  
Reply With Quote
Old 11-05-2018, 01:29 PM
  #9  
Member
iTrader: (14)
 
Thomas Aquinas's Avatar
 
Join Date: Oct 2003
Location: Columbus, Ohio
Posts: 490
Re: Oil pan clearance with UMI K-member

After installing poly engine mounts in my 4th gen, I said forgot it, I don't want to do that again.

So I'm running UMI's aluminum solid mounts. I think I have a picture of the mounts in my build thread.
Thomas Aquinas is offline  
Reply With Quote
Old 11-05-2018, 01:35 PM
  #10  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by Thomas Aquinas View Post
After installing poly engine mounts in my 4th gen, I said forgot it, I don't want to do that again.

So I'm running UMI's aluminum solid mounts. I think I have a picture of the mounts in my build thread.

Interesting. Do they rattle your teeth out? Or are they not bad.
ShiftyCapone is offline  
Reply With Quote
Old 11-05-2018, 02:37 PM
  #11  
Member
iTrader: (14)
 
Thomas Aquinas's Avatar
 
Join Date: Oct 2003
Location: Columbus, Ohio
Posts: 490
Re: Oil pan clearance with UMI K-member

With how much compression I had to put on the poly mounts during install on the 4th gen, might as well be solid at this point.

I haven't driven the 3rd gen yet, but during break in and other running time, didn't really notice them, no severe rattles or heavy vibrations.
Thomas Aquinas is offline  
Reply With Quote
Old 11-07-2018, 12:29 PM
  #12  
Member
iTrader: (14)
 
Thomas Aquinas's Avatar
 
Join Date: Oct 2003
Location: Columbus, Ohio
Posts: 490
Re: Oil pan clearance with UMI K-member

Here's a pic of the space between the pan and crossmember.
I'm holding a 1/2" drill bit in between them really easy. It's probably 5/8" to 3/4" clearance.
Not sure if that helps or not.

Thomas Aquinas is offline  
Reply With Quote
Old 11-07-2018, 01:09 PM
  #13  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by Thomas Aquinas View Post
Here's a pic of the space between the pan and crossmember.
I'm holding a 1/2" drill bit in between them really easy. It's probably 5/8" to 3/4" clearance.
Not sure if that helps or not.

That does help. My issue is front to back. Top to bottom I am Ok. How much space do you have between the front face of the pan to the back of the kmember tubes?
ShiftyCapone is offline  
Reply With Quote
Old 11-07-2018, 01:24 PM
  #14  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

I found some pictures that show the issue. At first I thought the interference is just the way the engine and trans was sagging in the mounts (unsupported at the tailhousing) but after bolting everything in I still have the issue. I might try to shim the resting height of the trans mount and see if I can "rock/tilt" the engine forward in the mounts.



You can see the lower k-member tubing sitting directly on top of the F-body oil pan.
ShiftyCapone is offline  
Reply With Quote
Old 11-07-2018, 01:51 PM
  #15  
Member
iTrader: (14)
 
Thomas Aquinas's Avatar
 
Join Date: Oct 2003
Location: Columbus, Ohio
Posts: 490
Re: Oil pan clearance with UMI K-member

Check out the first page of my thread. I have picture showing the front to back clearance. It's like post #5.

I have the UMI mounts slid all the way back to get everything to fit and have enough clearance. It looks like yours is all the way back too?
Thomas Aquinas is offline  
Reply With Quote
Old 11-07-2018, 03:09 PM
  #16  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by Thomas Aquinas View Post
Check out the first page of my thread. I have picture showing the front to back clearance. It's like post #5.

I have the UMI mounts slid all the way back to get everything to fit and have enough clearance. It looks like yours is all the way back too?
I will definitely check out your thread. My mounts are kinda all the way back. By that I mean that there are the four bolt holes that secure the mount to the K-member pad. Two of the bolts are all the way maxed on rearward adjustment. The other two could go back more. The problem is that I can't get all four back and still have the mounts attach to the clamshells. I might to try to remove the single mount bolt and adjust the k-member mounts. Then put the engine back in. I wonder if the poly mounts are creating a twisting effect preventing me from moving all four mounting locations as rearward as possible.
ShiftyCapone is offline  
Reply With Quote
Old 11-07-2018, 03:14 PM
  #17  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by Thomas Aquinas View Post
Check out the first page of my thread. I have picture showing the front to back clearance. It's like post #5.

I have the UMI mounts slid all the way back to get everything to fit and have enough clearance. It looks like yours is all the way back too?

I just looked at your pics and your mounts look like they are slid all the way forward and you have clearance. All four bolts look like they have equal adjustment left. I am at the end of the slots with my brackets pushed as far rearward as I can. Hmm.
ShiftyCapone is offline  
Reply With Quote
Old 11-07-2018, 04:31 PM
  #18  
Member
iTrader: (14)
 
Thomas Aquinas's Avatar
 
Join Date: Oct 2003
Location: Columbus, Ohio
Posts: 490
Re: Oil pan clearance with UMI K-member

So I'm trying to remember how the install went when I was messing with the mounts.

Are the k-member pads side specific? I feel like mine were not, I could be wrong though.

Also, I had all the bolts loose when I was installing things.
Just to note I got my k-member a long time ago, 2014-15. So maybe they changed somethings?

I will say that I bet 50% of your problem is those poly mounts. Getting them in my 4th gen was a joke, I was using the scissor jack to force the engine over to the driver side. UGH.
The install with the UMI AL mounts was pretty darn easy.

Definitely try bringing the trans up to the right height.
Thomas Aquinas is offline  
Reply With Quote
Old 11-07-2018, 05:30 PM
  #19  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by Thomas Aquinas View Post
So I'm trying to remember how the install went when I was messing with the mounts.

Are the k-member pads side specific? I feel like mine were not, I could be wrong though.

Also, I had all the bolts loose when I was installing things.
Just to note I got my k-member a long time ago, 2014-15. So maybe they changed somethings?

I will say that I bet 50% of your problem is those poly mounts. Getting them in my 4th gen was a joke, I was using the scissor jack to force the engine over to the driver side. UGH.
The install with the UMI AL mounts was pretty darn easy.

Definitely try bringing the trans up to the right height.
I think they are side specific and can only go one way. I might give those solid mounts a try. They aren't that expensive and should be better than the 4th rubber.





I totally hijacked qwuiks thread. Hopefully this is helping him.
ShiftyCapone is offline  
Reply With Quote
Old 11-07-2018, 07:19 PM
  #20  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

I ended up buying the UMI solid mounts. I'll post my results separately as to not be a total al Qaeda highjacker.
ShiftyCapone is offline  
Reply With Quote
Old 11-08-2018, 06:14 PM
  #21  
Senior Member
 
alan91z28's Avatar
 
Join Date: Oct 2008
Location: PA
Posts: 632
Re: Oil pan clearance with UMI K-member

I have used the UMI road race k member in several swaps and like it a lot.


If you look at post 10 in this thread of my son's LS3 swap into his 87 formula you will see what i do. i like the motor to sit a little more forward so i do modify the UMI motor mount brackets to give me more forward adjustment
https://www.thirdgen.org/forums/ltx-...-ls3-swap.html

This is with the holley LS swap oil pan and polley mounts

Also i had sent this info on better adjust ability to UMI last year and i think they were going to consider adjusting their motor mounts but i haven't verified it myself as my current project is using their k member with a SBC

Last edited by alan91z28; 11-08-2018 at 06:31 PM.
alan91z28 is offline  
Reply With Quote
Old 11-08-2018, 06:30 PM
  #22  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by alan91z28 View Post
I have used the UMI road race k member in several swaps and like it a lot.


If you look at post 10 in this thread of my son's LS3 swap into his 87 formula you will see what i do. i like the motor to sit a little more forward so i do modify the UMI motor mount brackets to give me more forward adjustment
https://www.thirdgen.org/forums/ltx-...-ls3-swap.html

This is with the holley LS swap oil pan and polley mounts

Indeed. I've referenced your thread many times, including earlier today, and I love that way you built that car. I have a few questions that I might reply to your thread with.
ShiftyCapone is offline  
Reply With Quote
Old 11-13-2018, 02:40 AM
  #23  
Member
 
Join Date: Sep 2004
Location: Bay Area California
Posts: 123
Re: Oil pan clearance with UMI K-member

i have the UMI roadrace k-member and an LS3 w/ pan # 12628771. There is boat loads of clearance between the pan and the K-member.

Please excuse the filthy car that i haven't touched in 3 years.



JayBoCC2 is offline  
Reply With Quote
Old 11-13-2018, 07:45 AM
  #24  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

That looks perfect. What engine side bushings are those? OEM 4th gen with stock bushing?

My UMI solid mounts haven't come in yet so no update.
ShiftyCapone is offline  
Reply With Quote
Old 11-13-2018, 08:02 AM
  #25  
Supreme Member
Thread Starter
iTrader: (15)
 
QwkTrip's Avatar
 
Join Date: Mar 2001
Location: Illinois, USA
Posts: 5,059
Re: Oil pan clearance with UMI K-member

Why does everybody end up with something different?
QwkTrip is offline  
Reply With Quote
Old 11-13-2018, 08:21 AM
  #26  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by QwkTrip View Post
Why does everybody end up with something different?

Asking myself the same thing. I think it's in the combination of various engine side mounts and bushings used.
ShiftyCapone is offline  
Reply With Quote
Old 11-13-2018, 02:24 PM
  #27  
Member
 
Join Date: Sep 2004
Location: Bay Area California
Posts: 123
Re: Oil pan clearance with UMI K-member

Originally Posted by ShiftyCapone View Post
That looks perfect. What engine side bushings are those? OEM 4th gen with stock bushing?

My UMI solid mounts haven't come in yet so no update.
OEM, brand new rubber mounts/bushings.

Motor mounts adapters are the UMI LS adapters.

Motor is adjusted as far forward as it will go, which was dictated by the hawks t56 trans-x-member.

Originally Posted by ShiftyCapone View Post
Asking myself the same thing. I think it's in the combination of various engine side mounts and bushings used.
FWIW, UMI originally sent me the wrong adapters and it took an insane amount of prying to get the k member installed to the motor out of the car. I mean insane. And when i looked at the motor mounts they were being torqued very hard. I sent them pics and told them about my problem, a few days later i had the correct plates and everything went together smooth as butter.
JayBoCC2 is offline  
Reply With Quote
Old 11-13-2018, 02:59 PM
  #28  
Supporter/Moderator
iTrader: (6)
 
ShiftyCapone's Avatar
 
Join Date: Feb 2001
Location: Cincinnati, OH
Posts: 11,495
Re: Oil pan clearance with UMI K-member

Originally Posted by JayBoCC2 View Post
OEM,



FWIW, UMI originally sent me the wrong adapters and it took an insane amount of prying to get the k member installed to the motor out of the car. I mean insane. And when i looked at the motor mounts they were being torqued very hard. I sent them pics and told them about my problem, a few days later i had the correct plates and everything went together smooth as butter.

I too already went through this. I am certain I have the right brackets. I am pretty sure it has to do with the energy suspension bushings.
ShiftyCapone is offline  
Reply With Quote
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
BrianI
LTX and LSX
3
05-28-2016 04:49 PM
LT1Formula
Engine/Drivetrain/Suspension Parts for Sale
10
11-16-2015 02:13 PM
Mdenz3
LTX and LSX
8
09-17-2015 09:36 AM
wildjyoung
Tech / General Engine
2
09-30-2009 09:17 AM
anesthes
Suspension and Chassis
19
01-01-2005 08:23 PM


Thread Tools
Search this Thread
Advertising
Featured Sponsors
Vendor Directory
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: