Quote:
Originally Posted by greazzer
As a follow-up to more questions I received:
Yes, it works also on OM603 and OM606 engines. It works on N/A as well, but I suggest its application with turbo engines.
The spring is stainless spring steel, calculated for the Mercedes engines and fatigue tested.
With the spring (actually rebuilt valve) a turbo engine will get more fuel/power without modding the pump on a bench. (It works on a NA engine as well, but as I indicated, the most gains are felt on a turbo engine).
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What was involved in the fatigue testing? I'm envisioning hooking up to a jig with a cam or actuator to compress the spring a couple million times while measuring the spring pressure and length at regular intervals.
I'm in the market for a replacement, found my oem(?) spring in two separate pieces.......