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SA Classic Mini Forum › Technical Stuff › Mods that work - Classic Mini
hardened valve seats for Unleaded fuel

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hardened valve seats for Unleaded fuel
Boyscout Offline
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#1
08-31-2015, 08:32 AM
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.


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Willy Offline
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#2
08-31-2015, 10:50 AM
That is a great mod to do.
I have opinions of my own -- strong opinions -- but I don't always agree with them.
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Enzio Offline
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#3
08-31-2015, 11:43 AM
I will be doing this as well at some point in the not too distant future.
I'm only here to LOL and +1
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#4
08-31-2015, 11:56 AM
The last Caltex garage in our area has now also stopped selling LRP, so it is becoming more of a necessity.
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BRAAAP Offline
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#5
09-07-2015, 11:00 AM
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
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Minimad Offline
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#6
09-15-2015, 11:59 AM
What did the engineering work cost you Boyscout?
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Boyscout Offline
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#7
09-15-2015, 12:21 PM
(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.
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Tiaan Offline
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#8
09-27-2015, 12:58 PM
Did you have to install new valves aswell for the unleaded conversion?
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#9
09-27-2015, 06:19 PM
No, the existing valves were re-used. Cleaned and dressed.
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Tiaan Offline
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#10
09-27-2015, 07:18 PM
What do you mean by dressed?
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