Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!
-
injector consistancy and calibration
'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...- Jefnes
- Post #5
- Forum: Engine & fuel engineering
-
Combustion chamber analysis after teardown
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...- Jefnes
- Post #5
- Forum: Engine & fuel engineering
-
Combustion chamber analysis after teardown
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...- Jefnes
- Post #3
- Forum: Engine & fuel engineering
-
Combustion chamber analysis after teardown
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...- Jefnes
- Thread
- Replies: 8
- Forum: Engine & fuel engineering
