Split Nail WJ Build Thread - Page 58 - JeepForum.com
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post #856 of 2220 Old 02-17-2011, 08:17 AM
TOW_HOOK
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Quote:
Originally Posted by SplitNail View Post
So... If my problems are in the heads what is the most cost efficient way of fixing it? Remanned heads, new heads, machine the heads? Any ideas?
time vs money ??? if you can be down for a week or so, take them to a machine shop that does car work, heads etc. have them magna flux it, and hot tank them. that will tell ya right up front if the heads are bad. if they are good, get a valve job. if you can't wait, get a set of reman, or used heads. on the used ones, i'd still get them checked for cracks. you way a head of the game by doing that and getting new seals. depends on milage, you might wanta do timing chains as well, that bit me in the aZZ and took the 2 extra months... being 1 tooth off !!!!!!

cleaned up heads



alot comes off..



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post #857 of 2220 Old 02-17-2011, 08:29 AM Thread Starter
SplitNail
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Quote:
Originally Posted by TOW_HOOK

time vs money ??? if you can be down for a week or so, take them to a machine shop that does car work, heads etc. have them magna flux it, and hot tank them. that will tell ya right up front if the heads are bad. if they are good, get a valve job. if you can't wait, get a set of reman, or used heads. on the used ones, i'd still get them checked for cracks. you way a head of the game by doing that and getting new seals. depends on milage, you might wanta do timing chains as well, that bit me in the aZZ and took the 2 extra months... being 1 tooth off !!!!!!

cleaned up heads

alot comes off..
Wow.. How much did you pay if you don't mind me asking?

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 #858 of 2220 Old 02-17-2011, 09:21 AM
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why are you worrying about heads, you do not even know the issue. Do the tests I suggested or pay someone to and you will know almost with 100% certainty where the issue is. Do all of the tests correctly if you want accurate info, do each compression test 3 times and average the numbers, add oil to low ones to see if they improve, do the leak down test.

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post #859 of 2220 Old 02-17-2011, 09:27 AM Thread Starter
SplitNail
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Quote:
Originally Posted by tsconver
why are you worrying about heads, you do not even know the issue. Do the tests I suggested or pay someone to and you will know almost with 100% certainty where the issue is. Do all of the tests correctly if you want accurate info, do each compression test 3 times and average the numbers, add oil to low ones to see if they improve, do the leak down test.
Yea, I get that. It's just VERY hard for me to believe that the rings would be bad. The compression test numbers between each cylinder are inconsistent. They are random. I'm gunna try and test it soon.

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 #860 of 2220 Old 02-17-2011, 02:34 PM Thread Starter
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Will the heads on an 04 HO 4.7l work on my 4.7? I can get the heads new with cams for $622.

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 #861 of 2220 Old 02-17-2011, 02:36 PM
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Quote:
Originally Posted by SplitNail View Post
Will the heads on an 04 HO 4.7l work on my 4.7? I can get the heads new with cams for $622.
I don't see why they wouldn't....still a 4.7 block. Seems it would be an upgrade with the HO cams and what-not.
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post #862 of 2220 Old 02-17-2011, 02:38 PM Thread Starter
SplitNail
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Quote:
Originally Posted by narnwv

I don't see why they wouldn't....still a 4.7 block. Seems it would be an upgrade with the HO cams and what-not.
Yea my thoughts too.. Same price too. Why not. If my heads/valves are bad I will prolly buy them new.

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 #863 of 2220 Old 02-17-2011, 07:33 PM
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ya know, I have been thinking about it for some time...what parts could you take from an HO, a newer 4.7, etc...and mix/match...plug/play. I have absolutely no reason to get rid of the dub, and if the engine ever goes, I will replace it. But I thought that if I knew what parts I need to build a "stroker" 4.7 then I could at least keep an eye out in the mean time for those parts and get them when they are on sale, or on CL...Kolak told me something a little while back about "speed freaks", or "the speed freaks" and those guys do a lot of 4.7 engine mods..but I haven't really been able to find much...and I haven't looked too hard though either.

Anyway, I would love to have that info and do something with it. I feel the same about my Accord too, don't like any of the newer models, and wouldn't get rid of mine for any reason...with honda engines though, there are alot of mixing parts with Acura parts that work accross both lines...
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post #864 of 2220 Old 02-17-2011, 10:37 PM Thread Starter
SplitNail
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I got a chance to bowl my new bowling ball tonight. Bowled a 229!

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 #865 of 2220 Old 02-17-2011, 10:42 PM
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damn! that is good!

1997 ZJ Laredo
4" Lift
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post #866 of 2220 Old 02-17-2011, 10:46 PM Thread Starter
SplitNail
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Quote:
Originally Posted by 1stblack97ZJ
damn! that is good!
Thanks! The ball is so sick!

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 #867 of 2220 Old 02-17-2011, 10:46 PM
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Thanks! The ball is so sick!
Pictures or it didnt happen.
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post #868 of 2220 Old 02-17-2011, 10:52 PM Thread Starter
SplitNail
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Quote:
Originally Posted by RedZJ

Pictures or it didnt happen.

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 #869 of 2220 Old 02-17-2011, 10:57 PM
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Quote:
Originally Posted by SplitNail View Post
So shiny...

"Ouch"

Just walked into the screen
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post #870 of 2220 Old 02-18-2011, 09:10 AM Thread Starter
SplitNail
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Quote:
Originally Posted by RedZJ

So shiny...

"Ouch"

Just walked into the screen
Hahaha youre silly. It hooks really hard at 3/4 of the lane.

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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