Leakdown Test DIY

#1

Compression tests suck. A leakdown test is the way to go. But guidance on exactly how to do it is sparse. Until now.

http://www.gress.org/Home/Cars/TrackTales/Leakdown%20DIY.htm

#2

Deleted. See link above.

#3

Thanks,Scott. Good write up! You’re now a pro at the technique.

Write-up Four
Item 6.d and 6.e—The “valve overlap” of #1=#6 on TDC is some valuable stuff to know. Likewise, like Scott says, 2 and 5 are companions, and 3 and 4 are companions. Took me a couple of 360 degree revolutions of the engine to feel comfortable with the TDC thing.

Regards, Robert Patton