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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 05-04-2011, 08:20 PM
xavier23 xavier23 is offline
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460 rebuild

I have an f-250 with a 460. I was wondering how much it would cost to rebuild if I remove, disassemble, reassemble, and install it myself? Also what mods are a good idea(4 bolt mains, girdle, etc) for a future high hp engine?
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Old 05-04-2011, 08:44 PM
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L. Ward L. Ward is offline
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Cost can run anything from a few hundred to $1000 plus. It's all going to depend on the amount of machine work needed on the items and the going rate in your area. As for the mods, more info needed.... what year 460? Carb or EFI? What is your definition of "High Horsepower"? To give you an idea... on the hi-power build I originally did for the 429 I put in my 90 F250, I was well over 10K in the build, and that was doing the teardown and rebuild myself. But it also included just about every upgrade goodie that could be done except EFI and a roller cam.
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Old 05-04-2011, 10:37 PM
xavier23 xavier23 is offline
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Quote:
Originally Posted by L. Ward View Post
Cost can run anything from a few hundred to $1000 plus. It's all going to depend on the amount of machine work needed on the items and the going rate in your area. As for the mods, more info needed.... what year 460? Carb or EFI? What is your definition of "High Horsepower"? To give you an idea... on the hi-power build I originally did for the 429 I put in my 90 F250, I was well over 10K in the build, and that was doing the teardown and rebuild myself. But it also included just about every upgrade goodie that could be done except EFI and a roller cam.
700-800hp is what I was thinking of. It's a 1991 fuel injected motor.
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Old 05-05-2011, 01:41 AM
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bayley_dl bayley_dl is offline
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Bump... 1990 460 EFI... More curious about freshening up the stock motor. Nothing internal for now.
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Old 05-05-2011, 07:42 AM
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Quote:
Originally Posted by xavier23 View Post
700-800hp is what I was thinking of. It's a 1991 fuel injected motor.

Not trying to be snarky or anything, but if you are asking cost and mods needed to hit that power range, you may be getting in a bit over your head. While the stock bottom end is good for 600+, and with mods is capable of way more than that, you are talking alot of work (and some serious $$$) to get into that power range.... headwork, compression mods, custom injection setup and ecm, etc all are going to be needed to do that kind of power. I'm not trying to talk you out of doing your own build or not build it up some, but suggesting being a bit more realistic in your goals.
For starters, there is an excellent 460 section at FTE here---> Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) - Ford Truck Enthusiasts Forums
I would suggest starting by doing some research there and seeing what works, and what needs to be done to redo a 460. This is the build I did to push into the 650+hp range with a 429 in my 90 F250 a few years back....

  • D0VE-A block, magnafluxed, bored, decked, linebored
  • Trick-Flow heads, ports cleaned and polished, ports matched to intake, Ferrea racing valves, Comp cams springs, Scorpion roller rockers
  • Comp-cams camshaft, lifters, roller timing chain set
  • 429 Crank, magnafluxed, trued, turned 10/10, lightened, oil holes chamfered
  • Eagle H beam rods, floating wrist pin
  • KB Hypereutectic pistons, 11.8:1 CR
  • Weiand stealth intake
  • ARP rod bolts, main studs, head studs, rocker studs
  • Fluidampr harmonic balancer
  • EFI converted to carb w/870cfm Holley
  • Phenolic spacer plate under the carb
  • Headers with true 3" duals, mandrel bent exhaust tubing
  • Mallory 6AL ignition and distributor
  • K&N Airfilter w/x-stream top plate
  • Electric fan conversion
  • Clevite bearings
  • MSD timing control
  • C6 trans, full TCI internals and stall convertor
This should give you an idea of the time, cost, and work it takes to start getting into 650-700hp range without the use of turbos, superchargers or nitrous. It took alot of work and research (matching the cam to the pistons and CR to run on pump gas) to do that build, BUT when it was done, it ran on pump gas (premium) all day long, and in a 1990 F250 4x4 ext cab long bed, w/3.55 gears and 315 tires, at 30-40mph it would downshift and break the tires loose if you stomped on it in drive, and a full throttle automatic shift from 1st to 2nd at 65-70mph felt like it was going to rip the rear diff out of the truck and leave a 20ft black mark on the road. The one time I did get into a top end race on the interstate was with a Lightning, and he could not believe a rusted, lifted F250 4x4 was walking away from him on the top end.

Anytime you start breaking the 1hp to 1cube ratio it starts taking work. Even more so when you are talking a big block, and when you have a big block and are going for over 1.5hp to 1cube, well, as it says in my signature...
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Speed costs money! How FAST do you want to go? '04 Excursion EB 4x4, 6.0 PSD, '94 F350 Crew Cab (Emergency Response Vehicle), 4x4, carbed 460 , E4OD, 4.10 Gears; '90 F250, carbed 460, E4OD RIP; '78 Bronco 460, C6 4" lift, 38" Swampers RIP
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http://www.ford-trucks.com/forums/10...2-11-10-a.html
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Old 05-05-2011, 07:48 AM
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L. Ward L. Ward is offline
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Quote:
Originally Posted by bayley_dl View Post
freshening up the stock motor. Nothing internal for now.
$500-600 for a kit from Summit Racing, including pistons, bearings, gaskets, etc. Add in the cost for whatever machine work may need done
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Speed costs money! How FAST do you want to go? '04 Excursion EB 4x4, 6.0 PSD, '94 F350 Crew Cab (Emergency Response Vehicle), 4x4, carbed 460 , E4OD, 4.10 Gears; '90 F250, carbed 460, E4OD RIP; '78 Bronco 460, C6 4" lift, 38" Swampers RIP
If I helped, please show some love above
http://www.ford-trucks.com/forums/10...2-11-10-a.html
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Old 05-05-2011, 10:25 AM
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For the best bang for your buck, do a stock rebuild, but port match the heads and intake manifold. Maybe look into larger exhaust ports more like the later 460 heads. Then add a pair of Tri-Y or longtube headers. While this is all pretty basic stuff, it'll offer you the biggest gains for the least amount of money.
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Old 05-05-2011, 11:09 AM
94BigRed 94BigRed is offline
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I think an RV cam is good bang for the buck. Its pretty mild, but noticeable and won't wreck your mileage. That and a .030'' over job and headers are what I'm doing for my 94 F250 rebuild. Its mild, but its a little more.
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Old 05-05-2011, 11:09 AM
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