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  #1  
Old 03-31-2012, 12:47 AM
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2002 4.6is considering rebuilding engine - florida

Engine needs rebuild (2 cylinders w/low compression - scoring in bore). 83K miles with many fixes over the last 2 years (rear air suspension, new alt..._ . Care is great except for engine. Seen some posts where they spend $14K (seems high) anyone else rebuild one of these? Cant find any used or rebuilds on the web. Looking for someone in So Florida to do the work. thx!
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  #2  
Old 03-31-2012, 04:07 AM
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I rebuilt mine at home, the only special tools you will need are for the cam timing. I think mine cost about 3-4000, it was so expensive because I had to replace parts damaged by an inept Indy (i.e. camshaft and 2 con rods). While I was in there I changed rings, bearings, big end and cylinder head bolts, cam chains and guides, Vanaos units, one bank of tappets, and the oil pump. They are easy engines to work on.....once they are on the bench
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Old 03-31-2012, 11:16 AM
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I had mine done, the work is about 55 hours, and the material is expensive,
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Old 03-31-2012, 12:05 PM
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i'm curious how the scoring would have happened?
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  #5  
Old 11-11-2019, 01:23 PM
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4.6is rebuild

well i feel fortunate - here are a couple snaps of my block after i cleaned it up in advance of reassembly and final cleaning / painting. Engine had 164k miles on it - and not a single issue with any cylinder. Compression test prior to disassembly had only small variation in #4 and number #8. No scratching at all. Only minimum carbon build up ...

The heads were completely rebuilt w/new bearings, lifters and value stem seals. No issue with the guides and valves. Seats were redone. Cams are in perfect condition and each head only required < .01 mm shave.

All new Vanos and timing gear components including distribution units. (Heard they can wear on the Vanos side). New cam chains and tensioners.

Oil pump in solid working order. No issues w/shrapnel pluging the screen. All new timing chains, adjusters, rails, solenoids etc ...

Re-doing the entire front drive-train (shafts, boots, main drive shaft etc ...)

Transmission was rebuilt a couple years ago - and runs like new.

Can't wait to get her back on the road to see what it must've felt like to drive it off the show-room floor ...

Have to resize the pics ... will upload later ...
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Old 11-11-2019, 05:52 PM
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Quote:
Originally Posted by FL2002x54.6 View Post
Engine needs rebuild (2 cylinders w/low compression - scoring in bore). 83K miles with many fixes over the last 2 years (rear air suspension, new alt..._ . Care is great except for engine. Seen some posts where they spend $14K (seems high) anyone else rebuild one of these? Cant find any used or rebuilds on the web. Looking for someone in So Florida to do the work. thx!
I could rebuild it for you....but I am located in Boise ID... If you want to send me the engine.
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Old 11-11-2019, 08:12 PM
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Originally Posted by Emory39 View Post
I could rebuild it for you....but I am located in Boise ID... If you want to send me the engine.
More than seven years later, I doubt it's still on his "to-do" list...
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Old 11-11-2019, 08:39 PM
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Originally Posted by wpoll View Post
More than seven years later, I doubt it's still on his "to-do" list...
LOL I didn't notice that!!!
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E36 M3 95-sold
E30 318i 91-sold
E39 528i 00-rebuild at136K -sold
E36 M3 98-sold
E53 X5 4.4 05-the beast
E53 X5 3.0 5M/T 01-sold-coming back ETA 22SEPT Its back
R56 Mini Cooper S 07-sold. I should have keept it
E83 X3 3.0-the wife's
E36 M3 97 - The new project - sold
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