Hi all, I need some input from different directions.
I have built a few supercharged (1bar MAP) engines running 9:1 comp ratio, now on these engines one has got a normall head, no porting etc etc, and on the second engine it has a worked head, ported, using bigger exhaust valves.
They both use...
HI there, I have an old production drawing and on it the material specifcation calls for TL-4223. This is a German drawing from 1987. does anybody have any idea as to what grade steel this would be today?
many thanks,
Liam
Hello.
I was wondering if anybody is able to help me out with a dilemma.
At this time I am using compressors which have apex tips made out of PTFE with a 60% filling of bronze.
The displacer is a magnesium (8%) aluminium alloy and the housings are aluminium. We are subjecting the displacers to...
