HELP: 1st gear + clutch + brake = stalling out

Brent · 04-26-2009, 02:11 PM

60-30-60 do not give you anywhere close to a healthy engine. A good healthy engine should easily have 100+psi. It will still start and run at 60psi, but your engine is extremely weak. The 60psi is bad enough, but you have one uneven pulse, which most likely means you have internal damage(maybe a chipped apex seal?) There are a couple of things that might cause the low compression, but chances are your engine is toast. Has your car been smoking lately?

David Jerome · 04-26-2009, 07:09 PM

Quote:

Originally Posted by Brent

60-30-60 do not give you anywhere close to a healthy engine. A good healthy engine should easily have 100+psi. It will still start and run at 60psi, but your engine is extremely weak. The 60psi is bad enough, but you have one uneven pulse, which most likely means you have internal damage(maybe a chipped apex seal?) There are a couple of things that might cause the low compression, but chances are your engine is toast. Has your car been smoking lately?

He was using a piston compression tester with no schrader valve. I dont think he actually only has 60psi, that is a pretty common psi bounce when using a piston tester. He would need the valve installed to let the overall compression build up to get a decent idea of the actual engine compression.

However, he definitely has an issue on one/two of the faces with the result he got.

04-26-2009, 02:11 PM	#1
Brent Sua Sponte Join Date: Feb 2008 Location: Killeen, TX Posts: 839 Rep Power: 18	60-30-60 do not give you anywhere close to a healthy engine. A good healthy engine should easily have 100+psi. It will still start and run at 60psi, but your engine is extremely weak. The 60psi is bad enough, but you have one uneven pulse, which most likely means you have internal damage(maybe a chipped apex seal?) There are a couple of things that might cause the low compression, but chances are your engine is toast. Has your car been smoking lately? __________________ Road Atlanta August 2011 NASA TT 1:33 http://www.youtube.com/watch?v=IFY00PAK_Ps Traqmate's video of my car from the 2011 UTCC at VIR http://www.youtube.com/watch?v=2Zcn6...layer_embedded Video of Yellow LS1 FD at NASA TT at VIR http://www.youtube.com/watch?v=e6k0lJkcwrM Last edited by Brent; 04-26-2009 at 02:13 PM.