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Posted
5 hours ago, hammdo said:

I don’t see in the kit but is often a shop item…

Wasn’t in the kit.  One of the prints listed the pn (or equivalent).  Spruce has it.

MS25089-1CR.  Thinking back, the pn on the print might have had a typo.  Main thing I gathered, it has to have a red button.

Posted

I have a yoke clock and a bracket in mind. I ran a PTT to where the PC button was but not sure if there is more room for a wire. 
 

-Don

Posted

Got BAD NEWs today -- cam is spalled -- not sure what happened but that sure didn't enter into the equation!  Now, while I have some funds saved, I now need to go the OH route -- totally sucks but what can one do?

-Don

Posted
8 minutes ago, hammdo said:

Got BAD NEWs today -- cam is spalled -- not sure what happened but that sure didn't enter into the equation!  Now, while I have some funds saved, I now need to go the OH route -- totally sucks but what can one do?

-Don

Sooner or later something is going to get you.

Posted

750 since IRAN, 2100 since official OH, it’s running great. I was thinking CAM and DLC lifters. Bottom was completely rebuilt.

-Don

 

  • Like 1
Posted

Yep, pulled #4 to replace it since borescope showed rough cylinder…then found that…

(autocorrect….:o(

-Don

Posted

After long discussions with the shop and a very good friend who is an AP/IA, I’m going to do cam, DLC lifters, all new Superior cylinders, new mechanical fuel pump, and IRAN the engine (OH gasket kit). I was very lucky all parts were in stock and should be here in a few days. Shop is in progress with the removal etc. All accessories were already overhauled or replace within the last 200+ hours (mag, SureFly, exhaust), Prop/Governor IRAN/reseal 200 hrs ago. Alternator’s oh 200 hrs ago so not a lot left there. Fine wire plugs with 250 hrs, new harnesses when mags/SureFly done…

won’t have to wait long since the shop is on it…

-Don

  • Like 4
Posted

Thankfully everything was in stock and shipped today.  Cam and DLC lifters should make this a more reliable engine… new cylinders will be awesome…

-Don

  • Like 1
Posted

Oil cooler was new (installed in 2016 I think) with new hoses so getting those flushed. New alternator belt too. I think the important items will be covered….

-Don

Posted

Interesting quote from Aviation Consumers on Superior’s cam:

"Presently, there are three aftermarket camshaft providers: Air Support International was the first company to develop and certify an aftermarket camshaft, followed closely by Engine Components Inc. and Superior Air Parts."

"If the cam wont grind and needs to be replaced, there are three aftermarket manufacturers to choose from, plus Lycoming and Continental. For some engines, an OEM cam will be the only choice because it isn’t provided by the aftermarket. Otherwise, of all the cams weve seen, were inclined to favor the Thielert-built Superior products, simply because we've seen how obsessive this company is about manufacturing quality control."

https://www.aviationconsumer.com/aircraftreviews/engines/the-camshaft-coin-flip/

 

-Don

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