A friend has been trying for months now, with the help of others and some rolling road work done,to try and get the tripple Su,s he has put on his car to work.

I keep on noticing favorable comments about opposing piston engines, i.e., Junkers and Napier Deltics. If they are so good, then why aren't they used more widely? That is to say, these engines must ha

I am working for a client who has an evaporator operating under vacuum at 70mmHg which suffers from regular bumpovers. The liquor feed is a mixture consisting of nitric acid and water fed at approx 35

I've done some work on the seat of an engine head, and now i can't find any shim that can i use for setting the valve clearances.

How do you determine what the largest clamping shim OD you would use with a shim stack?

Just discovered this forum. I have been searching for a forum on camshaft design. That is, actual design like ramps, profiles, materials, machining, and so on, as opposed to "what cam should I use?"

when using ethanol blend in small engines, what problems will this cause in the future to equipment ?

ok, so, if you have a twincharge set up on a chevy small block 400 cu. in motor, turbo feeding roots blower... roots by itself at 4000 rpm produces 6lbs boost...turbo by itself at 4000 rpm produces 1