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Author: Subject: Wanted - 1.8/2.0 Silvertop Zetec Valves
birdii

posted on 19/3/18 at 04:33 PM Reply With Quote
Wanted - 1.8/2.0 Silvertop Zetec Valves

I've been messing about with a valve grinding setup on my lathe and have arrived at a pretty decent result. The setup uses a dremel mounted in the tool post with the slide angle setup to match the seat cutter i have.

The snag is that for the first couple of valves that i ground i hadnt realised that my 3 jaw chuck was putting the concentricity out by 5 thou - silly mistake i know.

As i dont have a collet set im now using a 4 jaw and setting up each valve.

To finish the job off i would love the chance to replace the first 3 which i have ground 5 thou out on run-out.

Does anyone have any old exhaust valves from a silver top 1.8 or 2.0 head going spare for beer tokens? The silvertop has the single collet grove.

I know i could buy new valves but i like to put the locost back into locostbuilders!

A few photos of what i have been doing:



[img] Tool Post Grinder
Tool Post Grinder
[/img]

[img] Before & After
Before & After
[/img]

[img] Lapped
Lapped
[/img]

Cheers
Dan

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