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n801bh(at)netzero.com
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 Posted: Wed May 09, 2012 4:57 pm Post subject: Is it possible to convert a conventional tappet IO -540 C4 |
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You have to split the case anyway to change cams..... The lobe profile for a roller cam is entirely different then a flat tappet cam lobe profile. While the case is split the machining can be done..
do not archive
Ben Haas
N801BH
www.haaspowerair.com
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Rhonda(at)bpaengines.com
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| Posted: Thu May 10, 2012 5:21 am Post subject: Is it possible to convert a conventional tappet IO -540 C4 |
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Superior does not make a 6 cylinder roller tappet camshaft but does have roller tappets. The only way to convert a 540 is to send it to the factory for a reman/exchange, but it will be in a certified conversion and you probably have to have the original data plate and engine logs. They have not made field overhaul kits available. I understand there is one engine shop that is machining cases for roller tappets, but it is not us, and I believe you may have to have a specific case set to do the conversion. Lycoming use to not sell their roller tappets for after market. (You use to have to return any LRT tappets for an exchange on new ones.) They may have changed their position on that issue.
More importantly, are you definitely set that you want to do the conversion? What benefit are you seeking?
[b]Rhonda Barrett-Bewley[/b]
[i]Barrett Precision Engines[/i]
2870-B N. Sheridan Rd.
Tulsa, OK 74115
(918) 835-1089 phone
(918) 835-1754 fax
www.barrettprecisionengines.com
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of n801bh(at)netzero.com
Sent: Wednesday, May 09, 2012 7:55 PM
To: rv10-list(at)matronics.com
Subject: Re: Re: Is it possible to convert a conventional tappet IO -540 C4D5
You have to split the case anyway to change cams..... The lobe profile for a roller cam is entirely different then a flat tappet cam lobe profile. While the case is split the machining can be done..
do not archive
Ben Haas
N801BH
www.haaspowerair.com
--------
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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