'calibration' charge from the VW dealer...mmmm
I tune VW M2.9 and M5.9 Motronic 'powered' cars.
and there is no real calibration that the dealer
can do (tuning wise anyway). The newer ME Motronic ecus, with the non-cable
throttle, are even better (more ecu power).
These ecu's keep the engine...
I thought this a well, 'normal' engine wear.
yes all the, wear, and clean spots are all near
each other: intake valve side of chamber, just below intake valves. Imagine spraying 'cleaner' from the
intake valves towards the cyl wall, this is the pattern.
(lends creedence to fuel washdown)
I am...
I'm not exctly sure off hand...if the injector points directly at that spot.
Typical port injection where the injector is in the intake manifold runner, 1 per cylinder.
BTW this is on a Honda B-series engine.
The clean spot doesn't bother so much as the scuffing of the cylinder wall. There...
Background:
High specific output 4 cyl engine, 1.6L disp,
making ~340whp on 18 psi of turbocharged boost.
My specific question relates to combustion and detonation.
I tore down my current engine due to an oil pump failure and took the
opportunity to examine the pistons and the combustion...