Once reassembled, you’re almost ready to start the engine. Tighten all bolts and fasteners to the specs. Scrape old gaskets from all mating surfaces, and install a new front seal in the timing cover. Reinstall the components in reverse order with new gaskets and seals.Apply lube to the base of the cam lifters (new lifters must be installed with any new camshaft) and reinstall them in their bores. Remove the cam sprocket and install the timing chain, ensuring that the timing marks remain. Rotate the cam so its timing mark is at 6 o’clock and rotate the crankshaft so its mark is at 12. Once the cam is almost all in, install the cam timing sprocket to the nose of the cam and use it for support. Apply assembly lube to the distributor gear, cam lobes and bearing journals.Re-install the cam sprocket and carefully slide the camshaft forward and out of the engine block. Unless your engine has under 10,000 miles, remember to replace the timing chain as a stretched chain affects cam and ignition timing. At the front of the engine, remove the camshaft timing gear sprocket bolts, then slip the sprocket off and remove the timing chain. Remove the distributor, intake manifold, carburetor and camshaft lifters. Remove the valve covers and loosen the rocker arms or shafts, and remove the push rods.Remove the harmonic balancer with a balancer removal tool if needed before taking off the timing cover. When installing the new cam, these marks must be aligned or engine damage may occur.

Rotate the engine until the marks are aligned, at which point the number one piston should be at top dead center (TDC). With the timing chain, camshaft and crankshaft sprockets exposed, locate the timing marks. Remove the water pump and crankshaft pulleys, and any components attached to the timing cover.

Remove the alternator, power steering pump and A/C accessory brackets attached to the water pump.

As you unbolt each piece, use boxes or plastic bags to store them, adding notes to identify where they go. With the coolant drained, disconnect the radiator hoses from the water pump and remove the radiator. Remove the radiator fan shroud and accessory drive belts. You can replace the cam with the engine in the car by removing the radiator, grille and brackets to provide access. It’s less work if you have a hoist, but the lack of a hoist will not prevent you from performing this repair.

Installing a camshaft is a routine repair that many tuners and mechanics enjoy.

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Replace cam 350 chevy