cobra leak down

[SlayerStang69]

Did you use a leak down tester for this?

[badboosted89]

what was the leakdown % on cy3? damn wheres number 1 leaking from?

[nsinhold]

what intake is that?

[davie1971]

.....holley systemax

[78SilverBronco]

So how does this work? Do you pressurize the crankcase??

Also what are you using to prevent blow-by?

[Xarmy187]

So it mean's your valves arnt seating right?