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Unread 07-28-2005, 05:39 PM   #1
Tshark299
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1987 YJ Wrangler 
 
Join Date: Mar 2004
Location: Upstate NY
Posts: 2,342
How Much $$$ to Have Head Reconditioned?

I'm thinking about swapping a 4.0L cylinder head onto my 4.2 and was wondering if anyone in here knows about how much it would cost to have a machine shop recondition/rebuild a junkyard inline-6 cylinder head.

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'87 YJ Laredo - 4.0L, AX-15, NP231, 4.10s: 3.5" BDS, 31" Muds

'95 XJ - Donated drive train to the YJ, Parted out the rest

'51 CJ-3A - Buick 225 V6: Painless Wiring Harness, Warn Overdrive & Hubs, 2" Lift, 31" Muds
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Unread 07-29-2005, 04:03 PM   #2
Traveller
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Join Date: Jun 2005
Posts: 319
I've had a basic valve job done for $125, it included hot tanking, freeze plug replacement, valve and valve seat machining, new valve seals, testing valve spring pressure, and machining the surface to make sure it was flat.

If the valve guides require knurling or replacement there is an additional charge.

If you want it done cheaper, and help some students along the way, a high school auto shop will perform a valve job for almost nothing ($5 per head, plus parts when I was a student). My class used to do them frequently. Turnaround time isn't as fast as a pro shop, but the work is inspected by the teacher before being let go.
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Unread 07-30-2005, 01:09 PM   #3
Tshark299
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1987 YJ Wrangler 
 
Join Date: Mar 2004
Location: Upstate NY
Posts: 2,342
I know my local high school has an auto shop class... maybe i'll look into that.
__________________
'87 YJ Laredo - 4.0L, AX-15, NP231, 4.10s: 3.5" BDS, 31" Muds

'95 XJ - Donated drive train to the YJ, Parted out the rest

'51 CJ-3A - Buick 225 V6: Painless Wiring Harness, Warn Overdrive & Hubs, 2" Lift, 31" Muds
Tshark299 is offline   Reply With Quote
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