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SA Classic Mini Forum
hardened valve seats for Unleaded fuel - Printable Version

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+--- Thread: hardened valve seats for Unleaded fuel (/showthread.php?tid=46)

Pages: 1 2

hardened valve seats for Unleaded fuel - Boyscout - 08-31-2015

When I had the engineering done to overhaul the engine, I took the opportunity to have hardened valve seats installed on the exhaust valves so I could run on unleaded fuel. Work was done by Alan Y Brink. Superb job. Been running on unleaded for more than a year now. Daily driver.

RE: hardened valve seats for Unleaded fuel - Willy - 08-31-2015

That is a great mod to do.

RE: hardened valve seats for Unleaded fuel - Enzio - 08-31-2015

I will be doing this as well at some point in the not too distant future.

RE: hardened valve seats for Unleaded fuel - Boyscout - 08-31-2015

The last Caltex garage in our area has now also stopped selling LRP, so it is becoming more of a necessity.

RE: hardened valve seats for Unleaded fuel - BRAAAP - 09-07-2015

finding it more and more difficult for find LRP..... when i rebuild my motor i asked for this to be modded on my head. alas it wasnt !!! so im waiting now to blown a head gasket again hahaha

RE: hardened valve seats for Unleaded fuel - Minimad - 09-15-2015

What did the engineering work cost you Boyscout?

RE: hardened valve seats for Unleaded fuel - Boyscout - 09-15-2015

(09-15-2015, 11:59 AM)Minimad Wrote: What did the engineering work cost you Boyscout?
The entire head was redone. So strip, chemical clean, resurface (skim), new valve guides and stem seals, 4 x hardened seats installed, ground all valve seats and valves. re-assemble and leak test. It was around R2400. Work was done by Alan Y Brink.

RE: hardened valve seats for Unleaded fuel - Tiaan - 09-27-2015

Did you have to install new valves aswell for the unleaded conversion?

RE: hardened valve seats for Unleaded fuel - Boyscout - 09-27-2015

No, the existing valves were re-used. Cleaned and dressed.

RE: hardened valve seats for Unleaded fuel - Tiaan - 09-27-2015

What do you mean by dressed?