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Lotusfab

Cam housing Lotus 910

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The one on the carb side ( notbsure if they are handed) in serviceable condition please. 

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Oh dear. What happened to yours?

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Hi Eric, camfollower disintegrated on my second rebuild!

IMG_0711.thumb.JPG.09e7f2d0a4b46b5f14bf63220f2e7be0.JPG

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Ouch. I know it will not be original but have you considered changing the cast iron followers to the later steel followers?

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Yep Im changing all of them, but the housing is damaged.

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2 hours ago, Lotusfab said:

Yep Im changing all of them, but the housing is damaged.

Depending on how bad the damage is, the damage could be weld filled and machined.

 

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Yep thanks. Theres a repair section you can fit. I know someone who can fix it but it might be cheaper to replace.

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9 hours ago, Lotusfab said:

Yep thanks. Theres a repair section you can fit. I know someone who can fix it but it might be cheaper to replace.

That'll be a whole lot cheaper than acquiring another item. 😁

Edited by ekwan

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Actually the repair sleeve isnt  designed for the 910. So will have to weld repair and hone or find a used inlet cam tower. Im hoping someone out there has one?

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9 hours ago, Lotusfab said:

Actually the repair sleeve isnt  designed for the 910. So will have to weld repair and hone or find a used inlet cam tower. Im hoping someone out there has one?

Photo of the offending item might help?

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Serious  money just waiting for that person with two or one serviceable cam shaft towers!

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I still have the engine from the Esprit I lost in the fire. A bit reluctant to break up the engine though...


I have made many mistakes in my life. Buying a multiple Lotus is not one of them.

 

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7 hours ago, Choppa said:

Have you called  Lotusbits to see what they have on their shelves?

Hi Colin, yep. They only have the later housings.

5 hours ago, sailorbob said:

How bad is the damage to the housing? Could it be repaired by white metaling it?

Might be possible but at a ridiculous cost, and not ideal.

7 hours ago, Escape said:

I still have the engine from the Esprit I lost in the fire. A bit reluctant to break up the engine though...

Hi Filip, will PM you. Thanks.

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I had the camshaft bearings in a Toyota head white metaled a few years ago and, whilst I cannot remember how much, the cost was quite reasonable.

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1 hour ago, sailorbob said:

I had the camshaft bearings in a Toyota head white metaled a few years ago and, whilst I cannot remember how much, the cost was quite reasonable.

They are probably the insert type. Because the bearings are part of the housing they are tricky to repair. I have asked about inserting bearings and line drilling. Theres not a lot of material to grind away! 

Where did you get it done?

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They weren't the insert type. The bearing surfaces in the head and the camshaft caps were built up with white metal and then they were bored and honed to give the correct bearing clearances. It was done at Service Exchange Parts in Kegworth, Derbyshire.

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Thanks for telling me. That may be the way ahead. I asked them about this amd thry said they couldnt do it. I may have to contact your guys or try Gosneys.

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12 hours ago, Lotusfab said:

Hi Colin, yep. They only have the later housings.

....

But surely yours are the later housings,  based on the photo below. 

image.jpeg.cb38d0a5ea1332de50bc642539c5a

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