I am changing the heads on my 1916
I really dont want to turn it into a major rebuild.
To be honest - I dont want to turn it into a minor rebuild, but #3 is "pssst-ing" when you start it up.
Seems to be a crack in the thread area as the plug has a carbon V on it
Anyway - should I put a gapless top ring on it when I pull the motor.
Was going to hone the barrels.
The pssssst is usually the head to barrel seal but a badly burnt head at a plug crack could obviously do it too. Why do you think it needs new rings? Gapless on second is more the go if you want to, or just hone and rering with a quality set of rings, beware, some are junk and luck to make it onto the piston!!!
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
BizarreModeratorThe artist formerly known as blue74l
I am throwing up between
1) taking the heads off and putting the new ones on
2) step 1) + honing the barrels and putting them back on
3) step 2 + new rings
4) step 3 + a new mortgage
due to the carbon mark I am pretty sure of the source
Futue te ipsum!!!
Craig Torrens6 times Australian, 7 times State Hillclimb Class Champion
If it's not burning oil and the barrels are relatively clean externally and on disasembly not disturbed, I'd setup CR and throw on the new heads. Sometime it's necessary to remove the p&b's just for cleanup, decarbon and check over. The thing is, it'll really depend on what you find on disassembly, at 80k km things may be more worn than you think and need to be replaced or be fine and a clean is all they need.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
