What are you doing to your rig - the continuing saga

[smokeyyank]

Gotcha, I already spent too much on engine stuff. Thought about the headers but saw the price and quickly put that to rest. There's no room to work in the bay with everything in. Even some of the basics things are a royal PITA. For the amount of money I spent rebuilding my 4.7 I should have just LS swapped it.

Here's some pics. Not a lot of space. Could do the thor intake if you want to get more engine space.

[Kittrell]

Originally Posted by smokeyyank

Awesome, thank you! I'm wondering if you could put a 90 on the tube to point the filter (a skinnier one) more towards the original snorkel and then cram an ARB compressor to the right.

Originally Posted by smokeyyank

For the amount of money I spent rebuilding my 4.7 I should have just LS swapped it.

But then you'd just be like everyone else.

[smokeyyank]

Originally Posted by Kittrell

Awesome, thank you! I'm wondering if you could put a 90 on the tube to point the filter (a skinnier one) more towards the original snorkel and then cram an ARB compressor to the right.
But then you'd just be like everyone else.

Is your washer bottle relocated or still in stock location? I do have a ARB compressor I could test fit in there and see if it fits. Its the one for lockers though, not sure what size you're trying to run.

Ha, yeah but I'd have more power!

[Kittrell]

Bottle will be relocated, looking to run the single pump compressor which is pretty similar in dimension to the locker compressor. So that would give me a rough idea.

[smokeyyank]

Originally Posted by Kittrell

Bottle will be relocated, looking to run the single pump compressor which is pretty similar in dimension to the locker compressor. So that would give me a rough idea.

Cool, let me dig it out and I'll try to fiddle with it today and send you a pic.

[smokeyyank]

Originally Posted by Kittrell

Bottle will be relocated, looking to run the single pump compressor which is pretty similar in dimension to the locker compressor. So that would give me a rough idea.

Here ya go. More space that I anticipated. Could easily fab a bracket to get a solid mount. Just couldn't hold the compressor and take a decent picture. Guess only down side would be extra heat in that box from the compressor.

[maxbraketorque]

So it is generally a PITA to work on the 4.7L in a WJ? I've been toying with the idea of picking up a 4.7L HO WJ for a while now, but one thing that concerns me is that working on the 4.7L motor could be a hassle. I don't have any plans for significant upgrades, but it looks like no one should rule out having to replace the heads on that motor. I forget whether a dropped valve seat results in a valve collision with the piston. Not sure what other items I might have to tackle - probably the basics like plugs, water pump, coils. Do these things develop leaky pan gaskets and failing CPS like the 4L?

[Kittrell]

Originally Posted by smokeyyank

Here ya go. More space that I anticipated. Could easily fab a bracket to get a solid mount. Just couldn't hold the compressor and take a decent picture. Guess only down side would be extra heat in that box from the compressor.

Thanks! It looks absolutely tiny in there. I think the only time that thing would put out real heat would be under sustained load while airing up tires. In which case you are't driving so I expect it would be a nonissue. If you 90'd and ran that long skinny filter you could probably even run a small heat shield between the two.

[Kittrell]

Originally Posted by maxbraketorque

So it is generally a PITA to work on the 4.7L in a WJ? I've been toying with the idea of picking up a 4.7L HO WJ for a while now, but one thing that concerns me is that working on the 4.7L motor could be a hassle. I don't have any plans for significant upgrades, but it looks like no one should rule out having to replace the heads on that motor. I forget whether a dropped valve seat results in a valve collision with the piston. Not sure what other items I might have to tackle - probably the basics like plugs, water pump, coils. Do these things develop leaky pan gaskets and failing CPS like the 4L?

It's not an incredibly easy engine to work on but I would say the things that are the biggest pain in the ass are rarely needed. Oil pan gaskets on these don't fail anymore than anything else. Mine is completely dry at 84,000 miles. But the valve cover gaskets like to leak from the back and removing the valve covers is unnecessarily difficult. Especially on the passenger side as the heater core hoses run over the top, there is a large chunk of wire harness in the way and you have to remove the oil filler neck. Then anything to do with the exhaust manifolds are an exercise in patience but not something most people will have to mess with. Things like spark plugs, coils, injectors are pretty accessible.

[smokeyyank]

Originally Posted by maxbraketorque

So it is generally a PITA to work on the 4.7L in a WJ? I've been toying with the idea of picking up a 4.7L HO WJ for a while now, but one thing that concerns me is that working on the 4.7L motor could be a hassle. I don't have any plans for significant upgrades, but it looks like no one should rule out having to replace the heads on that motor. I forget whether a dropped valve seat results in a valve collision with the piston. Not sure what other items I might have to tackle - probably the basics like plugs, water pump, coils. Do these things develop leaky pan gaskets and failing CPS like the 4L?

I bought mine with a bad engine from a dropped valve seat at 160k. Yes it results in contact with the piston. When they fail it's not cheap just FYI. I spent about 6k on my rebuild with R&R, but I also replaced a lot of items. You can be proactive and replace the heads a pin the seats so it's not an issue. That's the biggest killer of these engines. It's not the easiest motor to work on but most basic maintenance items are fairly accessible expect a few things by the far wall that are an absolute B. I've pretty much replaced everything under the hood. 4.0 better to work on but the 42re is absolute trash of a transmission. Plus the 4.0 is a slug in a WJ.

[smokeyyank]

Originally Posted by Kittrell

Thanks! It looks absolutely tiny in there. I think the only time that thing would put out real heat would be under sustained load while airing up tires. In which case you are't driving so I expect it would be a nonissue. If you 90'd and ran that long skinny filter you could probably even run a small heat shield between the two.

True, I run a CO2 tank for tires and outside that would jsut be locking on trails so low air flow anyways. There's a good amount of room and if you relocate the washer you have some room to mess with sheet metal. There's some space between the filter and pump too so doable for sure.

[maxbraketorque]

Originally Posted by smokeyyank

I bought mine with a bad engine from a dropped valve seat at 160k. Yes it results in contact with the piston. When they fail it's not cheap just FYI. I spent about 6k on my rebuild with R&R, but I also replaced a lot of items. You can be proactive and replace the heads a pin the seats so it's not an issue. That's the biggest killer of these engines. It's not the easiest motor to work on but most basic maintenance items are fairly accessible expect a few things by the far wall that are an absolute B. I've pretty much replaced everything under the hood. 4.0 better to work on but the 42re is absolute trash of a transmission. Plus the 4.0 is a slug in a WJ.

Thanks Kittrell and smokeyyank. Proactively rebuilding the heads sounds like a good idea. Yeah, I can't fathom how Jeep decided to put the 4.0 in a vehicle that's a solid 500 lbs heavier than an XJ.

[Kittrell]

Headers are in.

[maxbraketorque]

I guess you can still replace the starter by tilting it and bringing it out at an angle?

[Kittrell]

Originally Posted by maxbraketorque

I guess you can still replace the starter by tilting it and bringing it out at an angle?

For sure no, you actually have to loosen the the header to get the starter out. Not optimal at all but I've never had a starter die and I installed a brand new one with this mod.