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Post by Deleted on Mar 30, 2008 22:30:13 GMT
I need to get my block pocketed to fit a 12G940 head, can anyone recomend a place to get it done as i think it might be beyond me and my dremmel!!!
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Post by maverick on Mar 31, 2008 16:48:42 GMT
if your doing it properly then personally i would go with swiftune
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Post by Miniböttcher on Mar 31, 2008 21:23:59 GMT
why not just get a cheap 1275 lump as you will be talking about a full rebuild plus you will end up with lower compression
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Post by Stephen on Mar 31, 2008 22:15:00 GMT
insurance would be cheaper i suppose.....
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Post by Deleted on Mar 31, 2008 23:24:33 GMT
why not just get a cheap 1275 lump as you will be talking about a full rebuild plus you will end up with lower compression I've read up on it a lot, the compression lost is very little, compared to the power gain achieved fo so little money! I have spoke to a few people that have done it, and they said it made a lot of deifferenc. |
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Post by Simon1275mpi on Apr 1, 2008 8:01:44 GMT
Nothing wrong with a dremmel.
Remove the head. Seal the side of end piston with some silicon sealant/window sealant. This is to prevent nasty bits of metal fouling up your bore at a later date.
On your 1275 head remove the valve springs. but leave each valve in place.
Place an old head gasket to the block, place your 1275 head on. Push down each valve to mark the gasket. Then remove the head.
You now have a template for your dremmel. Think you only need about 4mm depth, will check my mini mag article to confirm.
The above is a tried and tested method by Darren of Brighton Mini Club (The one with a shorty)
Its a classic budget modification. I'm planning this for the duckling.
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Post by Miniböttcher on Apr 1, 2008 19:07:50 GMT
a bloke from brighton mini club used a metal milling cutter in a router to do it to his engine
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Post by Darren Divall (BMC) on Apr 13, 2008 10:56:41 GMT
Works well and good cheep power gain
I removed the head studs, sealed piston gaps with silicone
milling bit in router and followed plans downloaded from minifinity
a diy project that can be done in a few hours if you work carefully
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Post by Deleted on Apr 13, 2008 19:02:13 GMT
do you have a link for the plans on minifinity? i had a look on there but cant find them!
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Post by MiniHaven on Apr 15, 2008 8:23:04 GMT
allbore engineering shop railway road newhaven , do collect and deliver but its not free , however very good shop and know quite a bit about every thing mini and all sorts of other things too.
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Post by robrvb on Sept 25, 2008 16:55:57 GMT
Hi,
I have just bought my first mini and it needs some body work done. Can you advise me where to go. It is a 1991 Rover City Mini, it has a current mot and Tax, but also some rust!
Many thanks,Rob
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