I have a factory 400 and planning to do a cam swap and then put it in my 73 Charger. I am taking out the factory cam and putting in a mopar purple shaft cam. I have never done this before but will have help from someone. What parts do I need to have ready?
I know I need:
Cam
New hydraulic lifters
Break in cam lube
Do I need new push rods or valve springs? Anything else?
Thanks!
For parts you will need:
Valve cover gaskets
Intake manifold / valley tray gasket
front cover / water pump housing gasket kit /w front cover seal.
RTV to seal the corners of the oil pan to cover and intake valley tray.
Blue, med strength loctite for cam bolt, oil pan bolts, pulley bolts.
Liquid teflon sealer/paste for intake manifold bolts, and water pump housing bolts going into water jacket area.
Cam break-in lobe grease
High ZDDP oil additive or Camshaft Break-in oil
Oil Filter
Parts you may need (optional?):
Timing chain set
fuel pump pushrod
Harmonic damper sleeve (to fix damper seal surface if really worn.)
New Harmonic damper if the rubber is shot?
Valve stem seals
valve springs (and maybe retainers if the springs don't match stock retainers?)
pushrods (depends on the year engine the original pushrods are. I think pre 1968 has a longer pushrod because the lifter was different?)
Tools you will need:
Normal sockets and wrench sets
Harmonic damper puller
Tools you might need:
On-head valve spring compressor (to replace valve stem seals and/or valve springs)
Long wire to align pushrods
Long bolt or handle to help remove/install cam (I usually just use the timing gear bolted to the cam?)
Harmonic damper install tool
Valve spring height micrometer and valve spring shims (if you want to ensure the install height.)
Valve spring pressure tester and dial calipers (if you plan to measure valve spring pressures.)
Cam shaft degree kit (dial indicator, degree wheel, piston stop or indicator bridge) if you plan to degree the cam installation?
Rope or compressed air adaptor to hold valves in place if removing/installing valve springs
Torque wrench, if you want to torque everything correctly
A way to remove/install the front cover seal (hammer, drift, wood block(s)?)
I'm sure I am forgetting some stuff. If you were going to a large cam that requires dual springs, then I think you need to cut the valve spring seats, which means removing the heads.
Really once the engine is that far apart, you only need to remove the exhaust manifolds to pull the heads. It may be worth it to pull the heads and have them gone through by a shop if they have alot of miles on them. It also makes changing springs and valve stem seals easier.