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Case
Information
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Q&A
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Case Diameter............ #4 Bearing Std.- 2.560"...................... 1.970 " +020 2.580 ...................... 1.990 +040 2.600....................... 2.010 +060 2.620 ...................... 2.030 +080 2.640....................... 2.050 Main Bearings Dimensions and part numbers -->*Click Crank information--> *Click Std Thrust = .865 >> Flange width= .100 for Std /+040 #1 Thrust = .825 >> Flange width = .140 for +020/040 #2 Thrust = .785 >> Flange width = .175 for +060/080 Crank End Play = .003" to .006" Main Bearing Clearance = .001" to .007" Rod Clearance = .0008 / .006"------------ Cam Bore = 1.0825" to 1.0834 . Rod Side Max = .004 / .028"------------ Lifter Bores = .7480 / .7488 Piston Clear = .0015 /.008" ------------ Ring End Gap = .012 / .035" 85.5 mm Bore dia. = 3.360"............ Ring Side Clearance =.0047 Note: The "Ring side clearance" in
the piston grove will tell you if the piston and cylinders need replacing. there is no need to mike the Piston and Cylinder when working
on the VW. When the side clearance is over .005/.006 it's time to
replace the P&C Kit.
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