460 rebuild
#1
#2
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.
#3
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.
#5
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
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...
#6
#7
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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