Can be done tested at nearly any machine shop just going to have to find one local to you.

 

thanks for the advice. I will look into getting that first.

 

+1

 

possibilities?:

during compression test-
a - air coming out the intake, could be the intake valves
b - air coming out of exhaust, could be the exhaust valves
c - air coming out of pcv valve, could be the rings

Just some thoughts, I'm not a certified mechanic, but I agree that there could be more to this than just the rings.

 

"now me and the mad scientist are gonna have to tear down the block and replace the piston rings you fried"



haha j/k. i say rebuild with aftermarket parts. it's not like you weren't gonna do that anyway =p

we can rebuild him. Harder. Better. Faster. Stronger.

gl!

 

Pull it out and have Lucas English re build it. He's right up there in the NW

Good Luck

It'll work out

 

I woulod do a cylinder leak down test to determine the actual cause. If it were the rings Im surprised the wet test you did, didnt show a higher reading. Leak downs dont lie.

If the tune was too lean you caould have burned an exhaust valve to due to elevated EGTS. Just food for thought.

 

definitely don't assume its the ring yet mate


Leak down test says all for the rings like Whitey4d says.

 

thanks guys this helps alot. I was pretty down today after my test results. Kind of gives me hope now. And if nothing else i can over night parts from japan.

 

okay so i got a leakdown test done today and it showed my #2 clylinder was leaking about 20% which my mechanic said was not too bad. Could only hear the air inside the valve cover when the oil fill cap was removed. Was he right? Is this nothing i need to worry about right now?

 

Did you pop the piping off the intake and feel for air?

And while you where there did you check air escaping out of the exhaust?

And yes he is right 20% is when the cylinder is in "pretty good" condition.

Break Down:

5-10% GREAT condition
20% Good condition
30+% Seek help

 

no we didn't take the intake off

there was no air coming form the exhaust

 

That sucks bro. Get it sorted out and get rid of the cobb stuff asap. Even on Sti's they are useless although cheap for what they have to offer.

 

+1 no looking back

 

Thousands of miles on my Buschur 2.0 at 30 psi plus and 170 pounds of compression across the board.