1968 F250 4x4 (460 / C6)

Engine build details:

- 460 CID (approx 375 hp, 440 ft.lbs) details:

· d1ve block decked to zero height 10.200 for proper quench and then honed

· c8ve heads, closed combustion chambers sent off to machine shop for service, decked .025 and angle milled .015 to mate up with intake. Positive valve stem seals and guides machined for that. Heads are same as dove heads.

· Both Block and heads were tanked, blasted with shot media and magnafluxed, Brass freeze plugs installed.

· Rotating assembly is all stock components that were cleaned and checked. Headgaskets has a .043 crush,

pistons are -.22cc.Pistons are .003 in the hole.

· Bore 4.360, Stroke 3.85 Rods 6.605, New Rods, Mains and Rings. Std

· Dura bond F30 Cam Bearings

· Competition Cams CL34-600-5 Cam (aka "Thumper”) and Lifter Kit 832-16 Hydraulic Lifters

· Valve Springs 926-16, 10 degree locks & keepers

· Exhaust ports touched up a little with a bowl blend

· Competition Cams 2122 Double roller timing set, straight up timing

· 1.8 Roller rockers, Guide plates, 3/8 thick wall pushrods ....roller tip favors center to outside of valve tip,

Screw in Studs 3/8"

· Weiand Stealth Intake Manifold. 1" spacer to add in heat soak.

· Holley Double Pumper 750 cfm carb (Mechanical secondaries); manual choke. Brand new.

· 110 gph mechanical fuel pump (new).

· Melling high volume oil pump, custom pickup to fit front sump pan.

· Fender exit headers 2" primarys and 3.5 Collector. Flange is good for CJ ports as well if you want to bump up with cylinder heads.

· Summit Hei Distributor, adjustable vacuum advance.

· Quick Fuel Technology Valve Covers

· Hughes 2200rpm stall converter.

· Assembled with Federal Mogel Assembly Lube

· Break-in oil was 10-w40 with Lucas Zinc additive. Now has Mobil 1 Turbo Diesel Truck 5w-40.

· Engine break-in was 2000 rpm for 20 mins to help cam break in safely.

· Oil vapor evac system: Custom venturi vacuum from exhaust with in-line check valves.

· Dual electric flex light fans, on thermostat going into the radiator

· 130 amp alternator from a newer mustang with internal voltage regulator