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1974 eldorado civilian

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The cylinders can be plated, or the cylinders and pistons replaced with Gilardoni units.
I would like to know more. have you a link. I can do a search otherwise. these are not so great photos of cylinder walls
 

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If chrome, they will never be OK to run at this age. If a magnet sticks, you have chrome plate or iron sleeves. Gilardoni cylinders are a commercial product, MG cycle sometimes has them in stock. As to removing the chrome and doing a nikisil treatment I don't have a source for that. From your pictures I can't tell if they are chrome.
 
When you click on the picture it gives a better resolution… I seem to see hashmarks on it… Which would be good...
 
If chrome, they will never be OK to run at this age. If a magnet sticks, you have chrome plate or iron sleeves. Gilardoni cylinders are a commercial product, MG cycle sometimes has them in stock. As to removing the chrome and doing a nikisil treatment I don't have a source for that. From your pictures I can't tell if they are chrome.
Not quite: if they are chrome a magnet will not stick at all, if they are Nikasil a magnet will barely stick and if iron liners it will stick very well.

As Vintagehoarder posted above, Millenium Technologies is my "go to" source for cylinder replating when necessary.
 
Contact Delta Camshaft in Tacoma, WA to get your cam followers re-conditioned. The Camshaft may also need attention - they like Guzzis and can refurbish those items for a very reasonable price.
 
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