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That's awesome. It took a bit for those subtle and not so subtle hints to sink in.

A build thread would be great to watch it come to life.
 

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NERD
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Discussion Starter #1,204
Yeah I’d be interested! Especially with some of the swap specific parts like adapters, transaxle, etc.



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Schweet I'll go start one :D

Yes we do! This is something I’ve always wanted to do so it’ll be nice to see it first hand.


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I'll take plenty of pics and report what I used. There's a lot that's available for conversion parts now. It seems pretty straightforward aside from the auto to manual conversion.

That's awesome. It took a bit for those subtle and not so subtle hints to sink in.

A build thread would be great to watch it come to life.
:laughing: LSJuan should make this little rear engine monster come to life again :evil:

Build thread hitting GCC as soon as I can get to it...
 

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NERD
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NERD
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8,594 Posts
Discussion Starter #1,207
Found more poser pics from KOH...and one with the front end completely frozen from the ride home. I'm itching to have this thing done so I can drive it in the sunny weather coming up. Still need to mount the brake switch that will unlock the torque converter. Hoping to have some of the changes finished tonight for the new trans cooler mount and steering.
 

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NERD
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Discussion Starter #1,208 (Edited)
Dove bawls first into the Porsche project and ran out of steam when the machine shop for the LS to G96 adapter ran 3 weeks late. It's been 6 weeks total since ordering and still no parts. :rolleyes:

So, back to the Jeep frame to keep me busy until those arrive. I've added a pic of the LS1 I picked up for the Porsche. It was complete but disassembled. I ditched the 853 heads, put on 243s and new head gaskets with ARP bolts, Tick SNS Stg 3 cam, Fast 92 intake, 92 DBC TB, and Melling high flow oil pump with LS2 timing chain. Should scoot pretty good. Putting in a Terminator X kit from Holley so it will be a fun combo.



Hoping to bend tube for the new rear frame in the next two weeks. I want to get most of it built on the bench before I cut off the rear of the Jeep. I have a Memorial Day trip booked and I want to have the new shocks in place if I can! Here's a pic of the finalized rear shock enclosure as well.

large resolution:
https://i.imgur.com/AKFf5lz.png
 

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NERD
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Discussion Starter #1,209 (Edited)
Took the Jeep to the dunes for a relaxing trip to test a few things. Hit 82mph in 4hi on the flats and rollers. Drag raced a few other rigs and the Jeep is still scary fast. I think it has more in it so we'll see when I do for tuning in the future.

Trans temp was showing a steady creep up to 220-230 and has had me scratching my head. I moved the cooler to the driver's side fenderwell area up front and same issue. I had the sensor screwed into the pressure test port on the side of the 4l80e and realized the sensor is reading the case temperature not the fluid temp. Moving the sensor to the input on the cooler and may add one to the output later to monitor how well the cooler is working.

Winters Shifter never quite worked right. The ball joint on the arm didn't clear the pan and the gates didn't line up no matter how I adjusted it and confirmed with the instructions that I had done it correctly. I boiled it down to poor engineering of the angles and placement of the arm. In park, the arm points almost straight down, at about 7 o clock. When in 1st, it's pulled to the 3 o clock position. This is awful for shifting gears individually so I cut and clocked the shift arm. It runs through all the gates properly now and also clears the pan like it's supposed to.

New 2.25 turn lock to lock steering is pretty awesome but I roached the PSC 1200x TC Pump for sure with the 5.5" pulley and 6000rpm passes. Have a CB pump on order and will be using a 6.5" or 7" pulley now. Steering feels good, just need to get a little bit more slack out of it. I think it's in the box and it's really hard to find boxes that aren't worn out! Might have to design something to take the place of the box and act more precise and feel similar to a rack and pinion. I used a Parts Mike beefy pitman arm and a bling bling EMF captured rod end for the high misalignment. High quality shit!

Exhaust is heating up the passenger side floorboard and the 4l80e case. I'm going to try making a shield that bolts to the body or transmission but I have a feeling I'll need to fully ceramic coat the exhaust to bring the temps down. From research I've done this is about a 30% reduction in heat if I do the whole system and about $500. Ouch!

Still rocking the bluetooth gauges and they work well enough to keep using them for a while. Eventually want PRP seats, Switch Pros, and a TerminatorX with 7" dash. Currently looking at making the new rear frame on the bench and hopefully getting it on the June before the next trip in August-Sept.

Short video of a near full throttle drive by. Wish I had the 82mph runs but the girlfriend was too busy fearing for my life instead of filming :laughing:






The lady also drove finally and even hit 40 mph which is fast for her :laughing:

 

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Give Calico Coatings a call for ceramic coating your exhaust. I've used them on my G8 and the wife's TBSS with very good luck. They didn't like how the first coating turned out on the one set of header so they stripped them down and did them again. I was very happy with the results and since they communicated that to me and took it upon themselves to make it right before it even went out the door, that speaks volumes about their quality of work to me.
 

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NERD
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Discussion Starter #1,211
Give Calico Coatings a call for ceramic coating your exhaust. I've used them on my G8 and the wife's TBSS with very good luck. They didn't like how the first coating turned out on the one set of header so they stripped them down and did them again. I was very happy with the results and since they communicated that to me and took it upon themselves to make it right before it even went out the door, that speaks volumes about their quality of work to me.
Thanks Matt! I have a local source that gives me a very good discount for my military service so I’ve been using them but I will keep Calico in mind. I definitely see the value in companies like that. Correcting their own errors instead of hoping the customer doesn’t see isn’t common anymore.

Did you notice a significant reduction in heat? I want to coat the entire exhaust after I route it out the back of the Jeep and then wrap entire mid pipe including the muffler to reduce nearly all of the excess heat under the passenger footwell and seat area.

I’ve been slowly plugging away on a few small issues on the Jeep so hopefully I’ll have an update soon. Planning to get the rear frame started this week and build it on my bench as much as possible before cutting the factory frame off.
 

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NERD
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Discussion Starter #1,212
Been cleaning up the front end after KOH and dunes. Painted the ram and ram mount and installed a pair of Barnes 4wd offset heims to help correct the ram placement that I was forced into due to space restraints. Now the steering arms are where they should be and I also plan to get those type III anodized along with the other aluminum bits and pieces. It will all be dark grey or black and should look pretty damn good. Don't mind the overspray and remaining small rust, it'll be gone at the next full teardown.

New EMF single rod end and beefy pitman that I don't think I posted pics of, 6.5" center to center on the pitman.

Ordered a 5gpm and 1600psi CB pump from Lee Power Steering. I am machining a 6.625" LS1 pulley right now so I can install it and make sure I am not over spinning the pump at higher rpms. You want as close to 1:1 ratio as possible for steering pumps and my PSC 1200x TC pump is not a happy camper with the 5.5" pulley and 7.5" LS balancer. This should fix that issue and the low volume issue at idle. Also picked up a .235 Sweet servo to swap in and make the steering just a tad lighter.

Plan this weekend is to bend tube for the new rear frame and maybe get the shock mounts printed on the cnc plasma :D
 

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NERD
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Discussion Starter #1,214
Been driving it on the street, new cooler and sensor location is much better. Started making the bypass mounts but might just leave it because I'm having fun with the Jeep finally and want to focus on the Porsche swap.

One thing that's not fun is the serpentine belt kept rolling off the PS pump. The spacers weren't correct but I have that fixed now. However, it still whines and squeals. Brand new Gator belt, third new belt I've had on this Jeep, third routing style, still squeals. I don't think I'd buy this Goat Built Alternator and PS Pump kit again. Drew helped me out when I called him but this isn't going to work out if it keeps up. Very annoying and shouldn't be happening with brand new belts IMO.

Pics attached-
 

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NERD
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I had a bit of time in the shop the last few weeks. Drove the Jeep a bit more on the street to get a better idea of how it will react and drive. Steering still felt too stiff with the .250 Sweet servo but I put in the 3.25 turn PSC box and it's a huge difference. Much better for the street.

I had to ream out a LS1 steel power steering pump pulley, p/n 12568997 which has a 5/8" bore but the new CB pump has a 3/4" bore. Pump was actually .7490" bore with some fluctuations down to .7485". This means if you drill to 3/4" it won't be a press fit especially if the drill oversizes. I used a .7475" reamer to get a .7480" hole, reamed on a 3 axis mill. I then used a small torch and a pulley installer to press the pulley onto the pump shaft. This pulley is 6.625" diameter for reference and is as close as I could find to the 7.5" LS crank pulley diameter. You want as close to 1:1 ratio as possible with steering pumps to keep them from overspinning or cavitating.

I also installed the .235 steering valve and it shudders slightly with the wheels on jack stands. For anyone that's going to install a Sweet valve or similar, make sure you install a joint at each end instead of a straight splined adapter like I did. I have a joint on the front end towards the steering box and lined up the straight splined adapter with my steering shaft but it's now a little off and binding slightly. This feels like drag in the steering shaft and is part of the reason I have a small remaining complaint in the steering system. I will be swapping it out as soon as I can and this will be the last steering change I plan to make for a long time.

Last issue I've had lately is the 4l80e makes a "hissing" sound when hot and in a drive gear including reverse. This was likely due to a bad filter, which has been changed again with fresh fluid and I was also overfilling the transmission due to a bad dipstick. The shorty style dipstick was NOT a good idea in the long run and I now run an ATP branded dipstick. That was a pain in the ass and I'll never do a short style again.

First pic is with a stock TJ pump, PSC 1200x TC pump, and Lee Power Steering CB Pump. Next is just the PSC TC vs Lee CB. Installed pic showing how close the pulley is and the straight spline adapter I'm replacing for flex unit. Shiny fresh filter in my 80e and hopefully the last time I see the valvebody for a long time. Driveway shot is just to illustrate this is now a mall crawler :laughing:
 

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I had a bit of time in the shop the last few weeks. Drove the Jeep a bit more on the street to get a better idea of how it will react and drive. Steering still felt too stiff with the .250 Sweet servo but I put in the 3.25 turn PSC box and it's a huge difference. Much better for the street.



I had to ream out a LS1 steel power steering pump pulley, p/n 12568997 which has a 5/8" bore but the new CB pump has a 3/4" bore. Pump was actually .7490" bore with some fluctuations down to .7485". This means if you drill to 3/4" it won't be a press fit especially if the drill oversizes. I used a .7475" reamer to get a .7480" hole, reamed on a 3 axis mill. I then used a small torch and a pulley installer to press the pulley onto the pump shaft. This pulley is 6.625" diameter for reference and is as close as I could find to the 7.5" LS crank pulley diameter. You want as close to 1:1 ratio as possible with steering pumps to keep them from overspinning or cavitating.



I also installed the .235 steering valve and it shudders slightly with the wheels on jack stands. For anyone that's going to install a Sweet valve or similar, make sure you install a joint at each end instead of a straight splined adapter like I did. I have a joint on the front end towards the steering box and lined up the straight splined adapter with my steering shaft but it's now a little off and binding slightly. This feels like drag in the steering shaft and is part of the reason I have a small remaining complaint in the steering system. I will be swapping it out as soon as I can and this will be the last steering change I plan to make for a long time.



Last issue I've had lately is the 4l80e makes a "hissing" sound when hot and in a drive gear including reverse. This was likely due to a bad filter, which has been changed again with fresh fluid and I was also overfilling the transmission due to a bad dipstick. The shorty style dipstick was NOT a good idea in the long run and I now run an ATP branded dipstick. That was a pain in the ass and I'll never do a short style again.



First pic is with a stock TJ pump, PSC 1200x TC pump, and Lee Power Steering CB Pump. Next is just the PSC TC vs Lee CB. Installed pic showing how close the pulley is and the straight spline adapter I'm replacing for flex unit. Shiny fresh filter in my 80e and hopefully the last time I see the valvebody for a long time. Driveway shot is just to illustrate this is now a mall crawler :laughing:


Shameless plug for the Porsche thread in that last pic!!!!
:laughing:
:flipoff2:


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NERD
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Discussion Starter #1,218
Shameless plug for the Porsche thread in that last pic!!!!
:laughing:
:flipoff2:


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:grinpimp: Hey Greg! I am itching to start that swap. Drove a newer 2 series BMW recently and I miss my 1 series so this Porsche better scratch that itch or I'll be looking for another M series!!!!
 

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NERD
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Discussion Starter #1,219
Forgot to post this-

I’m considering selling the Jeep. My interests have changed and I’m looking to downsize vehicles. I’ve had this one the longest and it’s been through a lot of work. It’s fun but I am getting into Porsche’s and off-roading is slipping from my interests. If anyone is seriously interested PM me and we’ll talk. :smokin:
 
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