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Putting a 1275 in Beefa
https://www.ausmini.com/forums/viewtopic.php?f=2&t=5311		 Page 1 of 3
Author:  Beefa [ Sat Mar 05, 2005 7:55 pm ]
Post subject:  Putting a 1275 in Beefa
Hey guys,
How hard will it be to put a 1275 in beefa? At the moment he has a 1100 in it and I'd like to drop a 1275 in him (damn my fiance for getting me into Minis!).
I just need some ideas on the stuffing around that is involved!
Thanks :D
Lynda
Author:  benjamin [ Sat Mar 05, 2005 8:39 pm ]
Post subject: 
i think you need disc brakes on the front to do it but im not sure
Author:  Beefa [ Sat Mar 05, 2005 8:43 pm ]
Post subject: 
Damn I hope not. That costs an arm and a leg to put disc brakes on!
Author:  danidad [ Sat Mar 05, 2005 8:57 pm ]
Post subject: 
its not particularly expensive to convert to discs if you dont mind going to bigger wheels. the bigger wheel will then be the major expense... but for the money you spend on a 1275 you can ring some major power gains out of your 1100.. will try and find a few links others have given me on the subject
Author:  drmini in aust [ Sat Mar 05, 2005 8:59 pm ]
Post subject: 
benjamin wrote:
i think you need disc brakes on the front to do it but im not sure

Apart from that and getting a 1275 donk (with primary gear) it's pretty easy!
It'll fit OK on all 4 synchro boxes.
On 3 synchro boxes with a bit of checking.
On early 850 boxes with major surgery (I did that once). :P
Author:  Beefa [ Sat Mar 05, 2005 9:01 pm ]
Post subject: 
Cool, I just want him to go a little better, not harder.
Thanks for your help!
Author:  benjamin [ Sat Mar 05, 2005 9:02 pm ]
Post subject: 
it would be really easy if you could get cooper s front cuts 8)
Author:  Beefa [ Sat Mar 05, 2005 9:05 pm ]
Post subject: 
HMMM, sounds like a head ache if I have to put disc brakes on him.
What can I do to squeeze more power from the 1100?
Author:  drmini in aust [ Sat Mar 05, 2005 9:07 pm ]
Post subject: 
lterel01 wrote:
HMMM, sounds like a head ache if I have to put disc brakes on him.
What can I do to squeeze more power from the 1100?

Camshaft
Head work
Bigger carb(s) :wink:
Bore it to 1152 or 1220cc :P
Author:  Beefa [ Sat Mar 05, 2005 9:14 pm ]
Post subject: 
I dunno if I like the idea of boring him out though, that cant be good for him... :?
Author:  drmini in aust [ Sat Mar 05, 2005 9:21 pm ]
Post subject: 
1152 is good, and pistons are available.
1220 is pushing it, and pistons (Hillman Imp) are like rocking horse dung here now.
8)
Author:  Morris 1100 [ Sat Mar 05, 2005 9:25 pm ]
Post subject: 
lterel01 wrote:
I dunno if I like the idea of boring him out though, that cant be good for him... :?


You want more power and you don't want to upgrade the brakes. That can't be good for him.... :lol:
Author:  Beefa [ Sat Mar 05, 2005 9:26 pm ]
Post subject: 
Ok so if I bore him out to 1152 will it make the walls of the bore weaker?
I just want to get as much infor as I can before I do it
Author:  Beefa [ Sat Mar 05, 2005 9:29 pm ]
Post subject: 
LOL u have a point there Morris, but hey a woman driving him cant be good for my baby either!
Author:  drmini in aust [ Sat Mar 05, 2005 9:32 pm ]
Post subject: 
lterel01 wrote:
Ok so if I bore him out to 1152 will it make the walls of the bore weaker?
I just want to get as much infor as I can before I do it

No problem- 1152 is a standard factory piston oversize (+.060"). Safe to bore that far, definitely.
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