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Author Topic: OS .35 conrod interchangeability?  (Read 913 times)

Offline frank mccune

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OS .35 conrod interchangeability?
« on: June 09, 2018, 03:29:48 PM »
       Hi Again:

       Will the conrod for an OS Max Stunt .35 fit an OS MAX III .35?


                                                                                                                           Tia,

                                                                                                                           Frank McCune
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Offline RandySmith

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Re: OS .35 conrod interchangeability?
« Reply #1 on: June 09, 2018, 04:01:00 PM »
Quote from: frank mccune on June 09, 2018, 03:29:48 PM
       Hi Again:

       Will the conrod for an OS Max Stunt .35 fit an OS MAX III .35?


                                                                                                                           Tia,

                                                                                                                           Frank McCune

NO ,  Ty is  right  about the  FP and  LA  35 40 46  using  the same  rod,  but  the older 35s you are asking about  do not

Randy
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Offline Steve Helmick

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Re: OS .35 conrod interchangeability?
« Reply #2 on: June 09, 2018, 04:39:52 PM »
Oddly enough, folks have said that the Super Tigre .35C series rods fit the OS .35S. I have some of both engines, but haven't tried this myself. If I had some rods in spare parts, it would be easy, but all I have is whole engines. One other option is a Brian Gardner OS .35S ABC conversion, which come with a new bushed rod, IIRC.  H^^ Steve 
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Offline RandySmith

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Re: OS .35 conrod interchangeability?
« Reply #3 on: June 09, 2018, 09:19:37 PM »
Quote from: Steve Helmick on June 09, 2018, 04:39:52 PM
Oddly enough, folks have said that the Super Tigre .35C series rods fit the OS .35S. I have some of both engines, but haven't tried this myself. If I had some rods in spare parts, it would be easy, but all I have is whole engines. One other option is a Brian Gardner OS .35S ABC conversion, which come with a new bushed rod, IIRC.  H^^ Steve

The  ST 35 rod  does not fit, the  OS has a strange  .250 diameter crankpin, the  ST is metric,  you can  replace the ST bottom bushing  with a  1/4 inch bushing  and it will  work, the thin bushing is troublesome  , but as  is  NO

Randy
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