Jonson Lifters Install info

turbo nasty

Goat Milk Racing
#1
JOHNSON LIFTERS

INFO IS PER JOE LEWIS AT JOHNSON


Clean- Blow off with compressed air to remove cardboard pieces from packing.

Oil soak- No need to soak in oil prior to use as they come from factory pumped up.

After cleaning, place a couple of drops of (30 wt. or close) oil on bearings of roller wheel.



PRELOAD ON THE 3 TYPES OF JOHNSON LIFTERS FOR THE LC2:



STANDARD- .035 +/- .010 (.140 TOTAL TRAVEL INTERNAL IN LIFTER)



REDUCED- .035 +/- .010 (.093 TOTAL TRAVEL INTERNAL IN LIFTER)



SHORT- .030 +/- .005 (.058 TOTAL TRAVEL INTERNAL IN LIFTER)



Basic expansion rates to allow for when adjusting:

Iron block with Iron head .008

Iron block with Alum Head .010 - .012

Alum Block with Alum Heads .012 - .015



Recommended oil is 30 wt (10w30, 5w30, etc.). If you run a thicker oil like a 20w50, the oil must be near 200 degrees for lifters to perform optimally.





Prepared by Jason Bertram of the Turbo Dojo/MNTR