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11-18-2009, 06:29 PM
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#1
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Registered
Join Date: Mar 2009
Location: Muscle Shoals, AL
Posts: 44
35' Fountain Lightning
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Engine Refresh / Rebuild Costs
How much should I be Looking to spend for refreshing the top end of a carbed 500HP? Also, how much would it cost for top and bottom end to be done? I think they are ok, but I'm gonna go ahead and at least do top end. Compression good and all guages seems to show good..420hrs
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11-18-2009, 06:52 PM
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#2
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Platinum Member
 Platinum Member
Join Date: Jan 2004
Location: Northern NY
Posts: 4,393
'06 35 Lightning Merc HP 525's aka The Black Biotch
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Few years back I had a pair of Carb HP 500's done here locally, cost me right around $7000. Did not need new cams, pistons, etc., just tear down, check over, hone block, surface cut heads, and rebuild with new rings, bearings, gaskets, good valve job, and new Isky SP springs and retainers. So $3500 each give or take a little, I did do the removal and reinstall myself. So update it a couple of years ............. $3700 to $4000 per engine should probably cover it today. Can't really split the upper end only out for you but I'm sure someone will chime in with that.
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Low Tech and Proud Of It
Last edited by RaggedEdge; 11-18-2009 at 06:55 PM.
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11-18-2009, 10:11 PM
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#3
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Registered
Join Date: Mar 2009
Location: Muscle Shoals, AL
Posts: 44
35' Fountain Lightning
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Thanks.. I was hoping around 5k to do the top of both, but we'll see.
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11-18-2009, 11:34 PM
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#4
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Registered
Join Date: Mar 2007
Location: Lake Dallas, TX via Annapolis, MD
Posts: 813
04 29' LaveyCraft Nuera
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Just had my 454 done this summer, top end, exact same stuff you are going to have done, I think it was about $2800.00
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11-19-2009, 12:09 PM
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#5
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Offshoreonly Advertiser
 Offshoreonly Advertiser
Join Date: Jan 2004
Location: Tennessee
Posts: 2,835
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Tubzz,
You should be able to do just the top end for 5K.
On the entire engine, I am higher than Ragged edge's price, but I also replace a ton more parts. On a typical refresh, the only parts I reuse (beside the accessories) are the bare block, bare heads, crankshaft, and rod cores. Everything else goes in the garbage. I replace the following: rings, bearings, oil pump and drive rod, connecting rod bolts, pistons, timing set, cam and lifters, pushrods, valves, springs, retainers, locks, seals, gaskets, etc. The parts that I use are of a much higher quality than the stock components. (Clevite bearings, Total Seal rings, JE pistons, Melling oil pump, Fel- Pro gaskets, Manley valves, etc). As for machine work, I align hone the mains, bore and hone cylinders, deck block and heads, valve job, balance rotating assembly, resize rods with new bolts, polish and magnaflux crank, etc.
Basically, you end up with a new engine that is better than it was when it was new. It has much better parts and is hand assembled by one person......ME.  It also comes with a warranty. Now the bad part......it runs between 9-11K depending on the engine. Give me a call if I can help. Thanks.
Eddie
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True, Custom EFI and Carb. engines from 500 to 1500 HP. Also specializing in outdrive upgrades and repair, custom rigging and fabrication, we can handle all of your performance boating needs. See our entire engine line at www.YoungPerformanceMarine.com Contact us at 615-216-7449 or youngperformance@comcast.net
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11-19-2009, 05:36 PM
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#6
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Geronimo36
 Gold Member
Join Date: Sep 2002
Location: Elkton, MD
Posts: 10,484
36' Apache
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You can redo the top end for about $1000-1200K per side if you do the work yourself. That includes all new valves, springs, HD valve job, lifters, surface heads, retainers, gaskets etc.
Eddie's doing what I consider a rebuild.
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Geronimo!!~
Last edited by Panther; 11-19-2009 at 05:38 PM.
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11-19-2009, 06:59 PM
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#7
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Offshoreonly Advertiser
 Offshoreonly Advertiser
Join Date: Jan 2004
Location: Tennessee
Posts: 2,835
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Manley valves and a good set of hyd. roller lifters are almost $1100 alone. A three angle valve job is about $175.00. Springs, retainers and locks (10*) are about $250. About $150-200 for gaskets and $35 for seals. Add in $80-100 to surface the heads and you have over $1600 in parts alone. These are just off the top of my head numbers. Don't hold me to them, but they are close.
Eddie
__________________
True, Custom EFI and Carb. engines from 500 to 1500 HP. Also specializing in outdrive upgrades and repair, custom rigging and fabrication, we can handle all of your performance boating needs. See our entire engine line at www.YoungPerformanceMarine.com Contact us at 615-216-7449 or youngperformance@comcast.net
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11-19-2009, 07:41 PM
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#8
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Member of the OCYC
 Platinum Member
Join Date: Mar 2008
Location: Some where between lost & found
Posts: 801
96 Scarab P31 Wellcraft 16 CCF
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[QUOTE=Panther;2993108]You can redo the top end for about $1000-1200K per side if you do the work yourself. That includes all new valves, springs, HD valve job, lifters, surface heads, retainers, gaskets etc.
That would be per head , so x 4 = 4800
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11-20-2009, 01:03 PM
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#9
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Geronimo36
 Gold Member
Join Date: Sep 2002
Location: Elkton, MD
Posts: 10,484
36' Apache
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Quote:
Originally Posted by Young Performance
Manley valves and a good set of hyd. roller lifters are almost $1100 alone. A three angle valve job is about $175.00. Springs, retainers and locks (10*) are about $250. About $150-200 for gaskets and $35 for seals. Add in $80-100 to surface the heads and you have over $1600 in parts alone. These are just off the top of my head numbers. Don't hold me to them, but they are close.
Eddie
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Sorry Eddie, I went back and checked my last reciept and noticed I did not have lifters included! I made a mistake and listed the the lifters in my rough numbers, that's the main difference.
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Geronimo!!~
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11-20-2009, 01:05 PM
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#10
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Geronimo36
 Gold Member
Join Date: Sep 2002
Location: Elkton, MD
Posts: 10,484
36' Apache
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Speaking of Lifters, what do you recommend these days for solid rollers?
__________________
Geronimo!!~
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