drmini in aust wrote:
Drill the 2 extra head stud holes,
Fit MK 2 S inlet valves, blend ports to suit,
Fit MK 2 S valve springs.
Fit MK 2 S inlet valves, blend ports to suit,
Fit MK 2 S valve springs.
Then put the kettle on
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| 12G938 Convert To 12G1805 https://www.ausmini.com/forums/viewtopic.php?f=2&t=96672 |
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| Author: | cooperess [ Tue Jan 23, 2018 6:39 pm ] |
| Post subject: | 12G938 Convert To 12G1805 |
What is required to convert to Mk2 12G1805 head. Attachment: Mini Head Sand Blasted 005.jpg
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| Author: | drmini in aust [ Tue Jan 23, 2018 7:05 pm ] |
| Post subject: | Re: 12G938 Convert To 12G1805 |
Drill the 2 extra head stud holes, Fit MK 2 S inlet valves, blend ports to suit, Fit MK 2 S valve springs. |
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| Author: | 9YaTaH [ Wed Jan 24, 2018 8:09 am ] |
| Post subject: | Re: 12G938 Convert To 12G1805 |
drmini in aust wrote: Drill the 2 extra head stud holes, Fit MK 2 S inlet valves, blend ports to suit, Fit MK 2 S valve springs. Then put the kettle on
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| Author: | cooperess [ Wed Jan 24, 2018 8:25 am ] |
| Post subject: | Re: 12G938 Convert To 12G1805 |
drmini in aust wrote: Drill the 2 extra head stud holes, Fit MK 2 S inlet valves, blend ports to suit, Fit MK 2 S valve springs. Extra stud holes are already drilled. How does one blend ports? Valve springs I understand. Are exhaust the same as Mk2 S? |
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| Author: | drmini in aust [ Wed Jan 24, 2018 11:04 am ] |
| Post subject: | Re: 12G938 Convert To 12G1805 |
Get whoever cuts the valve seats for the S inlet valves to deburr below where the seat meets the port. Yes exhaust valves and ports are the same as a MK 2 S head. Or get Graham Russell to do it, he puts a radius job on the seats which blends in to the existing port. |
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