Split Nail WJ Build Thread - Page 50 - JeepForum.com

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post #736 of 2220 Old 01-31-2011, 03:53 PM Thread Starter
SplitNail
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1999 WJ 
 
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Location: Katy, TX
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Okay I'll do this tomorrow. Thanks guys!


1999 WJ 4.7L V8, 242 TC, Front Aussie Locker, 4 Inch RC X-Series lift, 17x8 w/ 4.5BS Black Rock Vipers, 285/70/R17 BFG KM2's, All AMSOIL Synthetic Fluids

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post #737 of 2220 Old 01-31-2011, 04:46 PM Thread Starter
SplitNail
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I just took the spare off my roof. It feels SO much better. Especially the high way. Im hoping to see gains in MPG.

1999 WJ 4.7L V8, 242 TC, Front Aussie Locker, 4 Inch RC X-Series lift, 17x8 w/ 4.5BS Black Rock Vipers, 285/70/R17 BFG KM2's, All AMSOIL Synthetic Fluids

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post #738 of 2220 Old 02-01-2011, 05:19 PM
NewtonGT
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2000 WJ 
 
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hope you find out the problem with the smoke. I got a question, someone said they were buying a amsoil filter and they were gonna message you. Do you work with them or something?

2000 4.0 WJ Laredo : Rusty's 2.5 kit, 245-70-16, Rola Roof Rack

My Build:
http://www.jeepforum.com/forum/f22/newtongts-wj-build-1165332/
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post #739 of 2220 Old 02-01-2011, 05:31 PM Thread Starter
SplitNail
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I'm a dealer, so yes.

1999 WJ 4.7L V8, 242 TC, Front Aussie Locker, 4 Inch RC X-Series lift, 17x8 w/ 4.5BS Black Rock Vipers, 285/70/R17 BFG KM2's, All AMSOIL Synthetic Fluids

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post #740 of 2220 Old 02-01-2011, 05:49 PM
NewtonGT
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Quote:
Originally Posted by SplitNail View Post
I'm a dealer, so yes.
haha good sorry for asking like that. what is the price for a drop in amsoil filter

2000 4.0 WJ Laredo : Rusty's 2.5 kit, 245-70-16, Rola Roof Rack

My Build:
http://www.jeepforum.com/forum/f22/newtongts-wj-build-1165332/
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post #741 of 2220 Old 02-01-2011, 06:07 PM Thread Starter
SplitNail
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I'm not sure what you are asking? Maybe a typo? Sorry.

1999 WJ 4.7L V8, 242 TC, Front Aussie Locker, 4 Inch RC X-Series lift, 17x8 w/ 4.5BS Black Rock Vipers, 285/70/R17 BFG KM2's, All AMSOIL Synthetic Fluids

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post #742 of 2220 Old 02-01-2011, 06:15 PM
NewtonGT
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like how much will it cost for an amsoil air filter for my wj

2000 4.0 WJ Laredo : Rusty's 2.5 kit, 245-70-16, Rola Roof Rack

My Build:
http://www.jeepforum.com/forum/f22/newtongts-wj-build-1165332/
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post #743 of 2220 Old 02-01-2011, 06:27 PM Thread Starter
SplitNail
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Quote:
Originally Posted by NewtonGT View Post
like how much will it cost for an amsoil air filter for my wj
Pm sent

1999 WJ 4.7L V8, 242 TC, Front Aussie Locker, 4 Inch RC X-Series lift, 17x8 w/ 4.5BS Black Rock Vipers, 285/70/R17 BFG KM2's, All AMSOIL Synthetic Fluids

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post #744 of 2220 Old 02-01-2011, 06:45 PM
mrJ
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yo. i think you should come to jeep beach

Build In Progress...http://www.jeepforum.com/forum/f22/0...-name-1113549/

It's a Jeep, it's not supposed to work right all the time.

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post #745 of 2220 Old 02-01-2011, 06:50 PM Thread Starter
SplitNail
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Where and what is it??

1999 WJ 4.7L V8, 242 TC, Front Aussie Locker, 4 Inch RC X-Series lift, 17x8 w/ 4.5BS Black Rock Vipers, 285/70/R17 BFG KM2's, All AMSOIL Synthetic Fluids

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post #746 of 2220 Old 02-01-2011, 07:02 PM
mrJ
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psssssht. only the biggest gathering in the SE....

http://www.jeepbeach.com/

talk it up amongst the wj-ers. wanna try to get a good number out

Build In Progress...http://www.jeepforum.com/forum/f22/0...-name-1113549/

It's a Jeep, it's not supposed to work right all the time.

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post #747 of 2220 Old 02-01-2011, 07:28 PM
tsconver
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Quote:
Originally Posted by SplitNail View Post
I try not to pay mechanics to do my work. I'll just research until I figure it out. I have a buddy of mine that says he can help me. But I just wanted to make sure the 4.7l wasnt anything different. So basically doing a "leak down test" will only see if the piston rings are bad?
valve stems seals are diagnosed by process of elimination. If you do a compression test and all of the readings are normal them you can assume the rings are good. An oil ring could still be leaking but they leaking under power and will smoke when running. If you have a low reading in a cylinder put a tablespoon or tow of oil down the plug hole and repeat the test, if the compression comes up it means the rings are bad, if the compression does not come up then the rings are good and either a valve is leaking or a head gasket is leaking or you have a crack. Next step is a leak down test, you pressurize the cylinder with the piston at TDC and see if it holds pressure if it does then again you have good rings and valves but if you are at this point that cylinder probably is not good and you need to look for (listen for) the leak, bad rings will blow air out the oil filler, bad valves will blow air either out the intake of or the exhaust, a crack or bad head gasket will usually cause bubbles in the radiator. Again none of these diagnose bad valve stem seals directly but if all of this passes and you have smoke on start up it is almost guaranteed it is oil leaking on top of the valve when it turned off via bad valve stem seals.

You can do seals on most any engine without removing the heads. You have to remove everything on top of the cylinder, on the 4.0 it would be the rockers and rocker shaft, on the 4.7 you would need to pull the camshaft and associated hardware. You then put that cylinder at TDC and pressurize the cylinder with air like you did for the leak down test then you can compress the valve spring and remove the spring keep and springs. Pop out the seal and replace then put it back together, drop the pressure and move to the next cylinder. It is not as easy to do on the 4.7 being overhead cam but it is possible, the 4.0 it is easy to do, do not have to worry about hitting the pistons into any valves.

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post #748 of 2220 Old 02-02-2011, 10:42 AM Thread Starter
SplitNail
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Wow... I'll pay you to come that for me. : ))) That sounds like a weekend.


Quote:
Originally Posted by tsconver View Post
valve stems seals are diagnosed by process of elimination. If you do a compression test and all of the readings are normal them you can assume the rings are good. An oil ring could still be leaking but they leaking under power and will smoke when running. If you have a low reading in a cylinder put a tablespoon or tow of oil down the plug hole and repeat the test, if the compression comes up it means the rings are bad, if the compression does not come up then the rings are good and either a valve is leaking or a head gasket is leaking or you have a crack. Next step is a leak down test, you pressurize the cylinder with the piston at TDC and see if it holds pressure if it does then again you have good rings and valves but if you are at this point that cylinder probably is not good and you need to look for (listen for) the leak, bad rings will blow air out the oil filler, bad valves will blow air either out the intake of or the exhaust, a crack or bad head gasket will usually cause bubbles in the radiator. Again none of these diagnose bad valve stem seals directly but if all of this passes and you have smoke on start up it is almost guaranteed it is oil leaking on top of the valve when it turned off via bad valve stem seals.

You can do seals on most any engine without removing the heads. You have to remove everything on top of the cylinder, on the 4.0 it would be the rockers and rocker shaft, on the 4.7 you would need to pull the camshaft and associated hardware. You then put that cylinder at TDC and pressurize the cylinder with air like you did for the leak down test then you can compress the valve spring and remove the spring keep and springs. Pop out the seal and replace then put it back together, drop the pressure and move to the next cylinder. It is not as easy to do on the 4.7 being overhead cam but it is possible, the 4.0 it is easy to do, do not have to worry about hitting the pistons into any valves.

1999 WJ 4.7L V8, 242 TC, Front Aussie Locker, 4 Inch RC X-Series lift, 17x8 w/ 4.5BS Black Rock Vipers, 285/70/R17 BFG KM2's, All AMSOIL Synthetic Fluids

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post #749 of 2220 Old 02-02-2011, 01:59 PM
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Andrew you down to go to jeep beach??

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post #750 of 2220 Old 02-02-2011, 11:23 PM Thread Starter
SplitNail
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I want to... But thats a LOT of money in gas.... We will see. Sounds fun, no doubt but... We will see.

1999 WJ 4.7L V8, 242 TC, Front Aussie Locker, 4 Inch RC X-Series lift, 17x8 w/ 4.5BS Black Rock Vipers, 285/70/R17 BFG KM2's, All AMSOIL Synthetic Fluids

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