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Duralac


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Hi all

Happy New Year to everyone!

I am in the process of refurbishing the suspension on my Lotus Elise. Everything has been removed, stripped, painted etc. I am now starting the nice bit of putting it back together.

I have read a number of threads on the site about the importance of using Duralac to prevent corrosion, etc. However a couple of questions, when applied should you leave until it sets completely or use when tacky so it “sticks” the two surfaces together? Also what do you do with bolts should you coat these as well?

Advice and tips will be greatly appreciated.

Thanks

Bill

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Duralac should be applied just before assembly, so it is still mobile/tacky so it can smear fully over the threads when fastenings are screwed in.

It should be used wherever two dissimilar metals are in contact, eg. steel bolts into aluminium, so it gives a thin coating on all mating surfaces.

Something else to consider is that stainless bolts shouldn't be used with aluminium as these can accelerate corrosion of the aluminium. Personally I would always prefer to use a good-quality chromate-passivated bolt with Duralac.

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6 hours ago, timbo said:

Duralac should be applied just before assembly, so it is still mobile/tacky so it can smear fully over the threads when fastenings are screwed in.

It should be used wherever two dissimilar metals are in contact, eg. steel bolts into aluminium, so it gives a thin coating on all mating surfaces.

Something else to consider is that stainless bolts shouldn't be used with aluminium as these can accelerate corrosion of the aluminium. Personally I would always prefer to use a good-quality chromate-passivated bolt with Duralac.

Hi 

Thanks for the information will use while tacky and note your comments about Stainless bolts

regards

 

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