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How to tell it's a 582 blue or Silver top
Posted: Wed Jul 10, 2013 10:39 am
by Folla
My 582 Blue top, blue is coming of. Someone told me it's not a blue top but silver top.
Is there a way on the engine nr. or serial nr. to make sure what type engine it is?
The logbook state blue top, but Hey who know's.
Re: How to tell it's a 582 blue or Silver top
Posted: Wed Jul 10, 2013 11:20 am
by mulderpm
Folla, The mod 99 (blue head) has a different cooling system. It has a water pipe from the top to the bottom of the engine. (See diagram). It also has a harmonic damper on the flywheel. Most blue heads are set up for oil injection. Many of the older grey heads do not have a provision for oil injection.
To be 100% sure contact Comet Aviation with your engine serial number.
Re: How to tell it's a 582 blue or Silver top
Posted: Wed Jul 10, 2013 11:52 am
by Folla
Thanks, Will make sure with comet.

Re: How to tell it's a 582 blue or Silver top
Posted: Wed Jul 10, 2013 2:27 pm
by Duck Rogers
mulderpm wrote: It also has a harmonic damper on the flywheel.
Never heard or seen a "harmonic damper" on a 582..
Perhaps you meant "hydro damper" but then the mod 90 (silver) and mod 99 (blue) both have those