what i have to do to upgrade from 19lb to 24 injectors

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this is the engine that i want to get what do you think and is it a good deal

Vendor Ford Racing Performance Parts
Product Line Ford Racing Performance 302 cid 345 HP Engine Assembly

These crate engines are ideal for kit cars, street rods, Mustangs, Fox-bodies cars, and trucks. These Ford Racing Performance Parts 5.0L/ 302 have approximately 9.0:1 compression and 345 hp. Ford Racing aluminum GT-40 cylinder heads and GT-40 valve train are installed. Ford Racing high performance hydraulic roller camshaft. roller lifters and standard rocker arms get you rolling. New long block assemblies, built at Ford's Cleveland engine plant. It goes down the same production line as the 5.0L HO engines, and built with the same quality controls as new production engines. With minor modifications, it will also fit earlier models and vehicles with automatic transmissions. These engine assemblies include the block, crank, rods, pistons, timing chains, standard rocker arms, roller tappets, push rods, oil pumps and pickups, oil pans, valve covers, front cover, water pumps, dampers, flywheels, spark plugs and related long block engine parts to which Ford Racing engineers have added GT-40 aluminum cylinder heads that flow significantly better than production 5.0L HO heads. The GT-40 valve train kit includes springs, retainers, keepers, seals and premium stainless steel swirl polished valves with undercut stems. Valve diameters are 1.94 in. for the intake and 1.54 in. for the exhaust valves. Ford Racing high performance hydraulic roller camshafts provide significant horsepower increases above 4000 rpm yet maintains good low-end torque. Valve lift is .480 in. on both intake and exhaust. Duration is 224 degrees at .050 in. on both the intake and exhaust sides.

Vendor Ford Racing Performance Parts
Product Line Ford Racing Performance 302 cid 345 HP Engine Assembly