Rear Head removed:



Car has 106k miles:



Head Gasket in OK shape:



Front head still in place:







Rear Head off the Block:



The culprit, leaky exhaust valves on Cylinder 6:



C30A:



Both Heads off the Block:

 

 

nice... Whats your plans for it?

 

 

Taking apart the bottom end (engine/trans split)...



Some extra junk:



Transmission:



Heads already back from the machine shop:



All new gaskets, two exhaust valves replaced:



Second head:



Piston/rod assembly removed from #6 cylinder:

 

I had a leaky exhaust valve on cylinder #6 which would blow oil when coming off of boost, I also found 20% blow by on the same cylinder.

I am installing new rings, new head gaskets, ARP head bolts, and am also gutting the VVIS system, which is a restriction on boosted nsx's. At the same time, a new clutch, lightweight flywheel, and four-wheel big brake kit are being installed.

 

Looks like a big undertaking! Neat to see pics of NSX engine removed though, never seen it.

 

For engine removal, the entire rear sub-frame needs to be unbolted (as you can see in the above pictures), this is also somewhat required for items such as clutch replacement (not the entire sub-frame, but a portion of it), this is why a clutch job on these cars is an expensive undertaking, around $2500. Because these components are aluminum, air tools cannot be used for removal or assembly, as they could easily damage the thread.

 

Wow. Sweet.

 

more pics!

 

im in for the subscription nicee dude

 

sweet I can't wait to see the outcome.

 

Nice!!

 

Wow. I dont think there has ever been a NSX build thread on H-T. Correct me if wrong.

 

Wow!

 

damnnn more progress please! and thank you hahaha

 

New pistons installed, new rod bearings, new ring sets:



VVIS plate has been gutted, then sandblasted; variable intake butterflies removed, casting ground down, entry points for butterfly shafts removed and filled in with aluminum:



Engine back together:







New Brakes (old brakes on top, +2" diameter):

 

ooh nsx