O-300-A/B conversion to O-300-D

O-300-A/B conversion to O-300-D

Does any one have or know of a 337/field approval for converting my 1958 to a O-300-D? Please email me This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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Re: O-300-A/B conversion to O-300-D

First question is why??

secondly I am fairly positive that it cant be done. I need to look at the parts manuals for both the models to be sure.  I believe the major difference is the case itself and if you change that then it is no longer a 0-300-A.

again I am not sure about this as it is something I am drawing from memery. 
(which is almost as good as my typinga nd my spelling)

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Re: O-300-A/B conversion to O-300-D

Most of the older 172's have been retro fitted to the D. The A,B,C,D are all built under the same type certificate date sheet No. E-253 and the only diff in the engines is the angle starter drive and the vacume pump mount. Other than that their is no difference. Harold

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Re: O-300-A/B conversion to O-300-D

I must confess to not having worked on that many o-300 engines as we only have one on the field that I only see once a year or so.  I know the 0-200 is as I had previously stated.  if the 0-300 models are certified under the same basis and the only difference is simply mounting the components then its a simple matter to fill out the FAA Form 337 and log entries.  Your IA should have no trouble with these items.

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Re: O-300-A/B conversion to O-300-D

Remember, the -A uses an 8 bolt prop.  The -D uses a six bolt prop.  The -A uses a cable pull starter and the -D uses a key starter.  Additional expenses in the conversion.

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Re: O-300-A/B conversion to O-300-D

The engine was already on the aircaraft and installed for four years. I found it not complying with the type certificate data sheet and am trying to make it right.

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Re: O-300-A/B conversion to O-300-D

Harold McCollum Wrote:
-------------------------------------------------------
> Does any one have or know of a 337/field approval
> for converting my 1958 to a O-300-D? Please email
> me This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Harold,
Did you get this done?  I had trouble finding a O300A crankshaft and have found a low time O300D engine with all accessories firewall forward.  I have been researching for possible previous conversions and ran across your email.  I look forward to your response.
Bryant

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Re: O-300-A/B conversion to O-300-D

Harold McCollum Wrote:
-------------------------------------------------------
> Most of the older 172's have been retro fitted to
> the D. The A,B,C,D are all built under the same
> type certificate date sheet No. E-253 and the only
> diff in the engines is the angle starter drive and
> the vacume pump mount. Other than that their is no
> difference. Harold

Here is a STC that will get the job done for you.
TELEDYNE CONTINENTAL MOTORS
STC No.: SE3-663 O-300-C
TC No.: E-253 Parker Hannifin Corp
Reissued: 06/16/86 P.O. Box 4032 
   
ACO: CE-C Elyria, OH 44036
Install dry vacuum pump drive.

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Re: O-300-A/B conversion to O-300-D

The Cessna Pilot's association is a great resource for this.  They gave us a copy of a field approval (337) for someone else that did this.   The local FSDO (Baltimore) was all to happy to use this as evidence.  Just join the CPA and ask them for a copy of a Field Approval of an O-300D installation.

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Re: O-300-A/B conversion to O-300-D

Anyone out there know if the Starter drive (angle drive) can be removed without moving the entire engine     that is a 182 Q   model

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Re: O-300-A/B conversion to O-300-D

Anyone know if the Continental Statrter drive can be removed on a 182Q without moving the engine first ???

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Re: O-300-A/B conversion to O-300-D

Good thread. I'm looking for an STC to make "legal" the installation of an 0-300A on a 1959 1/2 172A.  My plane is authorized on the type cert for an 0-300C/D which was removed in the last overhaul. I'm stuck in annual and facing an "unairworthy" verdict unless someone can help. 

Anybody able to help with this?

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Re: O-300-A/B conversion to O-300-D

I have a C145-2 which is the same as the O300A engine.  It is almost ready for assembly.  Cylinders overhauled all parts ready for assembly.  Call 253 377 7645 if interested  for This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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