Access 400 EFI is installed with Dr.Pulley HiT231801 Ex,its benefit is 1)the throttle response is no dead point, 2)powerful acceleration in whole speed range. ... https://www.youtube.com/watch?v=P4apK40qmN4
P1-round roller, the friction coefficient is a little higher (ie. the friction heat
build-up is 47 ℃ after 33,900 cycles ); it's wear resistance is poor (ie. radial wear is high as 0.8 mm after 189,000 cycles )and its material used is not Aluminum-compatible (ie. the roller will attack the Aluminum-made variaor seriously (ie. surface of ramp in the variator become very roughened ). So the durability of roller & variator is shorter.
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https://www.youtube.com/watch?v=6ijawSqUjMQ
Stock clutch is replaced by HiT302002 via BMW's standard tooling.
The springs installed in HiT is SP1632007095BK10-7.5kg for clutch spring and
for pillow spring 1st trial is SP 2031565103PK25-21.5kg,2nd trial is SCG2232006110RD27-25kg.
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https://www.youtube.com/watch?v=nBaw3hKdP5c
Field test ( Video1 ) of Walkman's Honda Silver Wing 600 installed with Dr.Pulley SR2820,28 gram, HiT282001, 55 pillow degree and clutch spring of SP 1532407095BL6.5-5.2kg /pillow spring of SP1632007095BK10-7.5kg,initial engaging at 2500 rpm
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https://www.youtube.com/watch?v=ZIxy59CDWck
Dr.Pulley's patented HiT clutches provide solid engagement and the clutch slippage is much less, see www.unionmaterial.com for detailed
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https://www.youtube.com/watch?v=16wDWlo5L_o