|| The main reason you can build a large type 4 motor is because large diameter (105 mm ) pistons and cylinders are available.
| 914 head
|| Photo and discussion on type-4 / 914 cylinder head.
|| Details on clearancing the bolts on the cam gear to clear the oil pump.
| Flywheel Bolts
|| Photo and discussion on flywheel attachment bolts and studs.
| Head studs
|| Shows 10 mm head studs, case studs, etc.
| Oil pump
|| Details on the conversion of a type 1 pump for use on type 4.
| Ratio rockers
|| Info. on some very nice ratio rocker arms from Pauter Machine Co.
| Comp. ratio
|| Shows combustion chamber and valve reliefs used to gain more cc.
| pushrod tubes
|| Shows how the pushrod tubes were lengthened.