Owner manual

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SPACE--TIME TOOL MASTER KIT ISTRUCTIOS

PART # D7020MK

COGRATULATIOS! You have just purchased the most innovative and practical

tool available for 1970 to 1999 “Big Twin” single cam HARLEY-DAVIDSO* style

engines. This DELKRO tool is all you will need to professionally setup everything in

the cam chest of your engine. By simply following these step by step instructions, you

can build a more durable and powerful engine in a lot less time than other methods by

eliminating the “Guess Work” and building an engine with true confidence and peace of

mind.

CAMSHAFT ED-PLAY

The recommended camshaft end-play for a high performance application is .005” to

.015” with .010” being the nominal target. The following method will allow you to check

your camshaft end-play.

DIAL IDICATOR METHOD – With your camshaft installed, using OLY the

thrust washer, install your DELKRO Space-N-Time tool, along with your cam cover

gasket in place of your cam cover and torque the tool to the crankcase (use OEM torque

spec.)

Mount the dial indicator to the outer face of the tool so that the indicator shaft is in line

and contacting the camshaft end protruding through the tool. Push the camshaft back

Summary of content (7 pages)

PAGE 1
SPACE- -TIME TOOL MASTER KIT I STRUCTIO S PART # D7020MK CO GRATULATIO S! You have just purchased the most innovative and practical tool available for 1970 to 1999 “Big Twin” single cam HARLEY-DAVIDSO * style engines. This DELKRO tool is all you will need to professionally setup everything in the cam chest of your engine.
PAGE 2
towards the inboard cam bearing in the crankcase and zero the indicator dial … now push the camshaft outwards towards the tool and take your reading. This reading will be your TOTAL CAMSHAFT E D-PLAY … now subtract .010” from this reading and this will be the amount that you will need to shim your camshaft to achieve a PREFERED OMI AL E D-PLAY … Example – TCEP = .075” - .010” = .065” camshaft shim needed.
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gear spacer in relation to the dial indicator reading to achieve an end-play of .003” to .005” SETTI G BREATHER GEAR E D PLAY BREATHER GEAR TIMI G The recommended breather gear timing in a high performance application is for the opening event to occur no sooner than 10 degrees BTDC and no later than 10 degrees ATDC, with the closing event occurring no sooner than 55 degrees ABDC and no later than 75 degrees ABDC on the FRO T cylinder.
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crankcase can be modified by machining the top and bottom edges of the window to bring the opening and closing events into specification … care must be taken to ensure that too much material is not removed during this process. Another method (preferred) of modifying the opening and closing events of the breather gear is to modify the breather gear its self. This can be done by indexing the breather gear clockwise or counter clockwise until the events are with in specification.
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It is very important to locate true “TDC” to accurately set camshaft timing. After locating “TDC”, rotate the flywheel assembly clockwise until the front intake lifter is on the heel of the camshaft (lowest point of travel), place the dial indicator in position with the front intake lifter, with the axis of the dial indicator in line with the front lifter axis and zero the indicator dial. You will be checking the front intake closing event.
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LOCATI G TOP DEAD CE TER (TDC) Locating and knowing your engines true TDC is very important, and is crucial to engine performance. With the DELKRO Space-N-Time tool you can achieve true TDC, which will allow you to optimize your camshaft, breather gear, and ignition timing to achieve maximum performance from these components.
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dial indicator needle will continue to advance and then stop and start to reverse its movement. True “TDC” has been achieved at the point when the dial indicator needle has stopped its advancement and started its reversal. Set the DELKRON Space-N-Time degree wheel to zero at this time. LOCATI G TRUE “TDC” WITH HEADS REMOVED * HARLEY-DAVIDSON is a registered trade of the HARLEY-DAVIDSON MOTOR CO. and is used here for reference only.