Quote:
Originally Posted by vstech
don't forget that when you lap the surfaces, you are removing metal. this will bring parts closer together, and it will change the pop pressure.
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And that is almost never a bad thing.
Quote:
Originally Posted by vstech
test the pressure before you disassemble, then again after lapping and reassemble, I bet it's different.
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Been there, done that. A few thousand times.
A typical "old" 135 bar injector will typically pop at 120-125 bar. After cleaning and lapping, you might get a 1-2 bar increase. In most cases, the "delta" is in the right direction, but lacking in magnitude.