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Manx drive side crankcase

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Manx drive side crankcase

Posted by ronald_richards at July 11. 2017

Have attached a photo of the long stroke Manx crankcase including the alloy bearing cover. I have searched the internet for fitment of this item but with no success. One suggestion is that it would be threaded and maybe bonded. Any thoughts would be very welcome. Thank you Ron.

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Re: Manx drive side crankcase

Posted by jonathan_newton at July 11. 2017

Ron have you got a picture with out this device in the way?  Was it used in  a F500 car?

Re: Manx drive side crankcase

Posted by ronald_richards at July 11. 2017

Previously jonathan_newton wrote:

Ron have you got a picture with out this device in the way?  Was it used in  a F500 car?

Hi Jonathan I got the engine as a stand alone so I have no idea what it came from. I have tried to find details on the internet as to how that alloy cover may be attached but have been unsuccessful. I have attached a photo showing the inner side of the crankcase. All I can think is that it maybe a modification as I know this did happen during the racing life of these engines. Thank you Ron.

Attachments

Re: Manx drive side crankcase

Posted by robert_tuck at July 12. 2017

Looks like a modification to  fix a loose bearing and add an outrigger bearing for extra support. Rudge Engines have a very similar design .

Re: Manx drive side crankcase

Posted by Mikael Ridderstad at July 12. 2017

The only person I know of who has indepth knowledge.

http://www.jalrestorations.com/home-page

Mike

Re: Manx drive side crankcase

Posted by ronald_richards at July 12. 2017

Previously robert_tuck wrote:

Looks like a modification to  fix a loose bearing and add an outrigger bearing for extra support. Rudge Engines have a very similar design .

Hi Robert I think this could be a possibility as bearing housings are fitted to both crankcase halves. The mag side housing and bearing fell out after about 10 minutes heating in the oven. Thank you for your reply. Ron

Re: Manx drive side crankcase

Posted by ronald_richards at July 12. 2017

Previously Mikael Ridderstad wrote:

The only person I know of who has indepth knowledge.

http://www.jalrestorations.com/home-page

Mike

Hi Mike will give them a try. This is really a hobby for myself and my brother since I retired in January. Thank you so much for your reply. People are so helpful on here.

 

Re: Manx drive side crankcase

Posted by ronald_richards at July 12. 2017

Previously ronald_richards wrote:

Previously Mikael Ridderstad wrote:

The only person I know of who has indepth knowledge.

http://www.jalrestorations.com/home-page

Mike

Hi Mike will give them a try. This is really a hobby for myself and my brother since I retired in January. Thank you so much for your reply. People are so helpful on here.

Hi Mike just had a response from Steve at JAL as follows

 

 The outer alloy boss is threaded and screws onto a sleeve (also the outer bearing race)which goes all the way through the drive side case? 

Thank you for that contact indeed to everyone who has replied to my original enquiry Ron 

 

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