I'm not sure what to tell you now, other than maybe you need to pull the heads and check valve
guide clearance and replace the seals if the clearance is good.
keep in mind if you hear air under pressure escaping from the cylinders it has to be coming past the rings into the lower engine OR
escaping past the valve sealing area on the valves.
worn valves are not necessarily round nor are worn valve seats
obviously testing the valve to seat seal and checking combustion chamber consistency in size helps (ccing head chambers and doing a consistent multi angle valve job)
but of course everything, in this hobby, costs you cash and time to do correctly
http://garage.grumpysperformance.com/index.php?threads/valve-seat-runout.15104/#post-86003
http://garage.grumpysperformance.co...ng-combustion-chambers.2630/page-3#post-77963
http://garage.grumpysperformance.com/index.php?threads/ccing-my-heads.14187/#post-71989
http://garage.grumpysperformance.co...olishing-combustion-chambers.2630/#post-50247
http://garage.grumpysperformance.co...gree-valve-seats-tpi-motors.14662/#post-78724
http://garage.grumpysperformance.com/index.php?threads/how-to-lap-valve-seats.1159/#post-2362
http://garage.grumpysperformance.co...at-angles-and-air-flow.8460/page-2#post-32923
http://garage.grumpysperformance.com/index.php?threads/multi-angle-valve-job-related.3143/
http://garage.grumpysperformance.co...lve-seat-angles-and-air-flow.8460/#post-29682
http://garage.grumpysperformance.com/index.php?threads/multi-angle-valve-job-related.3143/#post-8387
the quality and design, varies , but some umbrella valve seals are not ideal,
what many are is they are cheap, and just slip on the valve, stem, thus easy to install,
the correct and better valve seals require the valve guide be machined to have them installed
related info.. check links for pictures an added info
http://garage.grumpysperformance.co...anging-valve-springs-on-the-car.404/#post-496
http://garage.grumpysperformance.com/index.php?threads/removing-valve-seals.4283/#post-96765
http://garage.grumpysperformance.co...mpressors-and-checking-springs.903/#post-1465
http://garage.grumpysperformance.co...eplacing-oil-seals-in-heads.14660/#post-78667
http://garage.grumpysperformance.co...gree-valve-seats-tpi-motors.14662/#post-98674
http://garage.grumpysperformance.co...ting-up-the-valve-train.181/page-2#post-96257
Thanks, I actually read that same article the other night, and a lot of related on this site. I basically have to consider everything, unless I keep it naturally aspirated, then I'd only have 99 other things to consider instead of 100.
Do you know if they were too tight ? But hydraulic lifters would have to be more than justAdjusted the valves
The compression was just slightly improved, maybe the weather.Do you know if they were too tight ? But hydraulic lifters would have to be more than just
alittle too tight to change compression numbers. Atmospheric pressure changes could effect
the cylinder pressures from one day to the next, but not the leak down numbers.
If you change the pan gasket look for a One Piece Gasket. But there other places where oil
can find it's way from inside to the outside in the pan area.
Maybe a stuck valve came loose in #2 for a swing that big?Do you know if they were too tight ? But hydraulic lifters would have to be more than just
alittle too tight to change compression numbers. Atmospheric pressure changes could effect
the cylinder pressures from one day to the next, but not the leak down numbers.
If you change the pan gasket look for a One Piece Gasket. But there other places where oil
can find it's way from inside to the outside in the pan area.
Possible I suppose.Maybe a stuck valve came loose in #2 for a swing that big?
I almost bought that set when I got my last set of gaskets. I don't mind the price as long as they seal well.These work well, but your not going to like the price !
You will not have to work about how tight you make them since they have compression limiters.
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