21 replies to this topic

[Quinn]

Incorrect.  I appreciate the inputs but the pistons are installed exactly as they left Honda's factory.  They also reflect the service manuals instructions.  I'm not dropping an oil pan to prove a point (rod oil hole) and I realize how obvious it would be to blame the piston valve reliefs due to the fact that valves wouldn't have hit if they had been on the opposing side. This is not where they belong nor where they have ever been.

 

I have no problem going against the FSM and original motor production and spinning them around.  Heck maybe it would solve my issue.  I just want to know someone has successfully done this and not had an exhaust valve issue.  I dont think Honda put cut outs in for the fun of it.

 

 

Heres another example :

 

http://www.redpepper...showtopic=54629

 

More :

 

http://www.redpepper...showtopic=49989

Edited by Quinn, 31 July 2014 - 09:23 PM.

[Quinn]

Update :

 

I took the sticky valves out.  They are all coated in molasses level sticky crap. I think the design of the head ports will push any liquid in the intake manifold to one valve and not the other.  I had to soak one in solvent to get the stuff off enough to move the valve in the guide.  Maybe draining the tank and letting it sit for 2 years was a bad idea.  I'll check to make sure the injectors are not leaking and see what sprays out.  This stuff is really nasty I cant imagine how it made it through the tank...fuel filter....how???

 

Probably should have hot tanked the intake manifold and had the injectors cleaned....  This stuff is like super glue....I think some interesting backfiring was going on in this motor before it became mine.  

Quinn

Edited by Quinn, 31 July 2014 - 09:51 PM.

[Quinn]

Here is a photo showing one :

 

Check out the buildup on the bottom valve....

 

http://imgur.com/4gCx4Yi

[gtpilot]

Quinn,

 

I have an Si piston and rod set that has never been disassembled and that setup matches the FSM and the picture of your block, so I believe the pistons are facing the right direction.

 

If your head was rebuilt and the intake tract is that dirty from just a few minutes of running...dear God your IM is filthy.  Take the TB off of it and all the ancillary bits and take the thing and have it hot tanked and reassemble it.  Your intake tract should be clean with that little of time on it!  I suspect that it had fouled the previous head as well and it had caused its poor performance.

 

Real life story...-TJ, a member here, bought a perfectly running 91 hatch (AKA Dr. Winters) form someone many states away.  He decided to put in a bunch of injector cleaner (even though the car was running fine) in the gas tank and they took off on the trip home.  Car ran flawlessly through the first part of the drive, they parked it a bedded down for the night.  The next morning the car would not start as all of the sludge that had been loosened up by the injector cleaner and the heat had drained down into the valve seats in the intake side and two of the valves would not close due to the build up. (it was the cylinder that was in split overlap at the time it stopped running.

 

Depending on how much the head was cut, an adjustable cam gear would just be added insurance of getting the valves set to split overlap @ TDC and not have them run so close.

 

Kirk

[Quinn]

Kirk,

That story is essentially what happened to me .  Well i cleaned up all the gunk and got a new valve on the way.  It would have probablybeen much worse if the valves had not "wanted" to be out of the way.  The pistons helped provide some encouragement....

 

Will update once I have it back together.

Quinn

[Quinn]

All fixed up.  Had the manifold hot tanked.  She purrs like nothing ever happened.  That set me back about 8 hours and 100$ (headgasket, four valves,intake gasket,exhaust gasket, and and and.....).   Lesson learned the hard way.

[gtpilot]

Well done!  Enjoy the new ride!

 

Kirk