Thread: O-470 cylinders
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Old March 23rd 05, 11:28 PM
Jon A.
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On Wed, 23 Mar 2005 05:44:02 GMT, "SAC" wrote:

I have just purchased 6 rebuilt O470 cylinders from ECI. I can't tell you
how they'll do, but I can tell you that I'd never use Continental cylinders
again. This set lasted 1000 hour and started testing at 10-15 psi while
leaking through the exhaust valves. Also, you shouldn't need an A&P/IA
number to order your jugs, I just called ECI and told them what I wanted.
I'm just a "customer".


Right on, but a mechanic may get a better price.

For reference, our last set were Millenium's and they held compressions
until we decided to overhaul at 200 over TBO. Compressions were in the mid
60's, but never dropped. This is considered good for Continentals. I would
choose Milleniums again if given the chance.


Great choice.


This time around, we are restricted to using ECI's due to our Texas Skyway's
O470 STC. We were told that we had to use ECI cylinders(to meet the STC)
because they perform the same modification....whatever that is, the STC is a
big secret that they won't release. We're starting to discover that the
Texas Skyway's HP increase is nothing more that a high flow carb
adjustment....but that's another discussion.

The Texas boys all seem to stick together.

SAC