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Hurth zf 63 recommended pressure

kevin_z

Regular Contributor
1995 Hurth ZF 63 C (HSW 630 V1) connected to 95 Crusader 454xl's. What is the pressure suppose to be?? At 3000 rpm, on plane, the VDO gauges read 225 psi on stbd and 185psi on port. I looked in the manual and all it has is "shifting pressure" in the 'adjustment data' section. It says 325 psi. My gauges only go to 400psi!
 
I'd be inclined to check the pressure readings with a mechanical gauge before getting worried.....I don't think my velvet drives make that much pressure....
 
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