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 Post subject: Leaded to unleaded
PostPosted: Tue Sep 15, 2020 9:00 am 
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848cc
848cc

Joined: Fri Apr 12, 2019 9:21 am
Posts: 37
Location: Adelaide
Does anyone know the approximate cost of converting a head to run unleaded fuel? I suspect I have a burnt valve in number 3 but I'm yet to take the head off. So I thought I may look into this as I'm not having great success with Flash Lube.


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 Post subject: Re: Leaded to unleaded
PostPosted: Tue Sep 15, 2020 10:26 am 
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848cc
848cc
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Joined: Sat Apr 02, 2016 6:36 am
Posts: 148
Location: Melbourne
I was quoted $400 this year for surface skim, seats, seals and re-assembly of the head.

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1970 Morris Mini K


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 Post subject: Re: Leaded to unleaded
PostPosted: Tue Sep 15, 2020 10:50 am 
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848cc
848cc
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Joined: Sat Jun 06, 2020 3:40 pm
Posts: 23
TDS76 wrote:
I was quoted $400 this year for surface skim, seats, seals and re-assembly of the head.
That's cheap

Who quoted that?

Sent from my SM-G975F using Tapatalk


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 Post subject: Re: Leaded to unleaded
PostPosted: Tue Sep 15, 2020 12:01 pm 
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848cc
848cc
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Joined: Sat Apr 02, 2016 6:36 am
Posts: 148
Location: Melbourne
Reason for the edit:
I did provide the name, but then changed my mind - i'm not sure if the the company who quoted would still be able to meet that quote in the current climate.
Also not sure on the forum policy for these sort of things. I will check before updating.

Cheers, Paul.

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1970 Morris Mini K


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 Post subject: Re: Leaded to unleaded
PostPosted: Wed Sep 16, 2020 12:41 pm 
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848cc
848cc
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Joined: Wed Mar 08, 2017 1:27 pm
Posts: 126
Location: Wollongong
Mine cost me $500, that was a full head service and conversion - pretty sure that included the new valves as well.

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67 Van, 1275cc


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 Post subject: Re: Leaded to unleaded
PostPosted: Wed Sep 16, 2020 4:22 pm 
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1275cc
1275cc

Joined: Sat Feb 09, 2013 5:44 pm
Posts: 2176
Location: Camden
I had 1 head converted years ago, poorly and for a lot of $$. Ran other minis with Flashlube. Then gave up using additive and have had no problems on low mileage cars. I don't think the conversion is worthwhile for most minis today.
There are other posts on here that say the same.


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 Post subject: Re: Leaded to unleaded
PostPosted: Wed Sep 30, 2020 8:53 pm 
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848cc
848cc
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Joined: Sun Jul 31, 2016 8:20 pm
Posts: 413
Location: Newcastle
I've only heard that unleaded seats can fall out and bomb it. Run 98.

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http://www.ausmini.com/forums/viewtopic.php?f=3&t=93352

If I'm carrying on like a pork-chop, I'm having a great time.

If I go very quiet there's a very good chance I broke something.


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 Post subject: Re: Leaded to unleaded
PostPosted: Wed Sep 30, 2020 10:17 pm 
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1275cc
1275cc

Joined: Wed Jan 19, 2005 1:52 pm
Posts: 2571
Location: Brisbane
98 has nothing to do with unleaded or leaded fuel heads.

I have unleaded seats in all of my A series engines, no worries. I wonder how factory alloy headed modern cars go? seats fall out?

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The bitterness of poor quality (or Crappy Workmanship) remains LONG AFTER the Sweet Taste of Low Price is forgotten.


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 Post subject: Re: Leaded to unleaded
PostPosted: Fri Nov 18, 2022 8:26 pm 
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1098cc
1098cc

Joined: Wed Sep 30, 2015 9:38 am
Posts: 1493
Location: Brandy Hill, NSW
Who does leaded to unleaded Mini heads in Newcastle?


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 Post subject: Re: Leaded to unleaded
PostPosted: Sat Nov 19, 2022 9:08 am 
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religious status
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Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39621
Location: near Baulkham Hills, NSW
cooperess wrote:
Who does leaded to unleaded Mini heads in Newcastle?

Don't know about Newcastle but Graham Russell does many in Sydney.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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