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Old 04-14-2014, 05:29 PM   #1
LS-K
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73-87 4x4 engine crossmember clearance issues w/LSX swaps

I've look around this forum and even the Internet in general for an answer or solution this LS swap clearance swap. I've got an '82 K10 4x4 with a swapped in LS6 and 4L60E. I've tried moving the entire drivetrain/engine back and forth to mess around with clearance but this is the best I could come up with.

If you're good with your eyes you can see I've even gone to what I think is the extreme of "notching" off one of the engine block towers on the driver's side of the engine.

I'm lookinng to see if you guys have dealt with this or have found a solution. To add to this I'm using the dirty dingo mounts with OE clamshell style mounts. Any help is appreciated, thanks in advance.




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Old 04-14-2014, 06:26 PM   #2
dman1982
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

Which transfer case you using?
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Sgt Dennis Heineman
USMC Aviation Ordnance
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84 K10
2000 trans am ws6
2011 nissan altima
2009 Troy Built with a 42 Inch Deck

My LS Swap http://67-72chevytrucks.com/vboard/s...=1#post6559371
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Old 04-14-2014, 07:02 PM   #3
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

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which transfer case you using?
np208
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Old 04-14-2014, 07:07 PM   #4
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

Me too, I haven't had any clearance issues at all
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Sgt Dennis Heineman
USMC Aviation Ordnance
I.Y.A.O.Y.A.S
2001-Present

84 K10
2000 trans am ws6
2011 nissan altima
2009 Troy Built with a 42 Inch Deck

My LS Swap http://67-72chevytrucks.com/vboard/s...=1#post6559371
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Old 04-14-2014, 07:08 PM   #5
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

Is yours lifted? Did you remember to lower the tranny?
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Sgt Dennis Heineman
USMC Aviation Ordnance
I.Y.A.O.Y.A.S
2001-Present

84 K10
2000 trans am ws6
2011 nissan altima
2009 Troy Built with a 42 Inch Deck

My LS Swap http://67-72chevytrucks.com/vboard/s...=1#post6559371
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Old 04-14-2014, 07:49 PM   #6
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

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Originally Posted by dman1982 View Post
Is yours lifted? Did you remember to lower the tranny?
It is slightly lifted. If anything it's got a conservative 3" lift, if not factory height. I'm not sure I'm catching your drift or where you're going with this T-case/tranny drop talk.

Since I've had it I have not messed with suspension at all. It sits as I bought minus the LS swap additions.
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Old 04-14-2014, 08:12 PM   #7
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

When you lift your truck 4 or six inches, your suppose to drop the tranny a little bit, it helps save the u-joints, here in a minute I'll upload a pic for you, mine are not what comes in the kit, I made them
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Sgt Dennis Heineman
USMC Aviation Ordnance
I.Y.A.O.Y.A.S
2001-Present

84 K10
2000 trans am ws6
2011 nissan altima
2009 Troy Built with a 42 Inch Deck

My LS Swap http://67-72chevytrucks.com/vboard/s...=1#post6559371
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Old 04-14-2014, 08:13 PM   #8
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

It might help with your clearance issue
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Sgt Dennis Heineman
USMC Aviation Ordnance
I.Y.A.O.Y.A.S
2001-Present

84 K10
2000 trans am ws6
2011 nissan altima
2009 Troy Built with a 42 Inch Deck

My LS Swap http://67-72chevytrucks.com/vboard/s...=1#post6559371
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Old 04-14-2014, 08:16 PM   #9
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

Here ya go
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Sgt Dennis Heineman
USMC Aviation Ordnance
I.Y.A.O.Y.A.S
2001-Present

84 K10
2000 trans am ws6
2011 nissan altima
2009 Troy Built with a 42 Inch Deck

My LS Swap http://67-72chevytrucks.com/vboard/s...=1#post6559371
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Old 04-14-2014, 08:19 PM   #10
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

Quote:
Originally Posted by dman1982 View Post
When you lift your truck 4 or six inches, your suppose to drop the tranny a little bit, it helps save the u-joints, here in a minute I'll upload a pic for you, mine are not what comes in the kit, I made them
Dman,

Don't get me wrong, I've had lifted vehicles in the past, even two that I myself have installed the lift kit on. I understand the geometry part of all the driveshafts/U-joints and what not, but I'm asking about engine crossmember clearance. It might make a bit of sense to drop the trans crossmember by adding spacers and making a teeter-totter effect on the front part of the engine, but I'm looking to see of anyone has done something else to relieve ENGINE crossmember clearance issues. Thanks for your input btw. I appreciate it.
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Old 04-14-2014, 08:23 PM   #11
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

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Originally Posted by LS-K View Post
Dman,

Don't get me wrong, I've had lifted vehicles in the past, even two that I myself have installed the lift kit on. I understand the geometry part of all the driveshafts/U-joints and what not, but I'm asking about engine crossmember clearance. It might make a bit of sense to drop the trans crossmember by adding spacers and making a teeter-totter effect on the front part of the engine, but I'm looking to see of anyone has done something else to relieve ENGINE crossmember clearance issues. Thanks for your input btw. I appreciate it.
dude!!! my bad lol!!! i first seen your post on my phone...so the pic was smaller, duh...holy crap...i feel retarted...but i needed didnt have any issues, I've seen a couple guys box in the cross member after making room

what motor adapters did you go with?
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Sgt Dennis Heineman
USMC Aviation Ordnance
I.Y.A.O.Y.A.S
2001-Present

84 K10
2000 trans am ws6
2011 nissan altima
2009 Troy Built with a 42 Inch Deck

My LS Swap http://67-72chevytrucks.com/vboard/s...=1#post6559371
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Old 04-14-2014, 09:23 PM   #12
littlevictories
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

cut a notch out of both sides carefully, flip em upside down and side to side
weld em in, call it a day (or rather 2-3 hours)
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Old 04-14-2014, 10:27 PM   #13
LS-K
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

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cut a notch out of both sides carefully, flip em upside down and side to side
weld em in, call it a day (or rather 2-3 hours)
The whole flipping around thing is quite logical but ingenious!! thanks. You ever heard of anyone that has dealt with this?
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Old 04-15-2014, 10:09 AM   #14
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

wish i could claim credit for it, but my buddy had to do something similar to his engine perches to run some headers made for a NNBS truck. that was on a '72 though.
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Old 04-15-2014, 07:38 PM   #15
71chevystep4x4
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

Mine was similar, but it's a 71 and I only had to do the passenger side.
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Old 04-16-2014, 06:23 PM   #16
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Re: 73-87 4x4 engine crossmember clearance issues w/LSX swaps

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Mine was similar, but it's a 71 and I only had to do the passenger side.
That kinda looks like what I need to do there. Do you know if the crossmember is removable?
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