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2096 Posts Member #: 1111 Post Whore s wales |
31st Jul, 2013 at 03:35:12pm
On 31st Jul, 2013 Yo-Han said:
On 31st Jul, 2013 Craigr91 said:
...assuming mpi gears are all te same box as any other age a+ engine? Nope apparently mpi drops are stronger than others is there any evidence that they are manufactured differently or made of a different material? I know that some on here have used mpi drops and put plenty of power through without issues. I wonder why rover would invest in 'upgrading' a part that was not a known weak link. the mpi engines were around the same as the spi coopers, and less power than some of the metros made in the 80s. could it be that the mpi drops are the same as other a+ drops, and in fact the a+ drop gears can stand up to more than people have given them credit for? being a helical gear the a+ drop gears themselves should be able to handle plenty of power, its my understanding that people go straight cut to reduce side loading on the bearings. on a side note I have stripped a set of mpi drops of their teeth, not due to the gears though, it was due to idler bearing failure. |
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 971 Posts Member #: 3228 Post Whore North of the Netherlands |
31st Jul, 2013 at 05:09:10pm
Must say that info was new to me to, see this thread:
On 31st Jul, 2013 welshdan said:
On 31st Jul, 2013 Yo-Han said:
On 31st Jul, 2013 Craigr91 said:
...assuming mpi gears are all te same box as any other age a+ engine? Nope apparently mpi drops are stronger than others being a helical gear the a+ drop gears themselves should be able to handle plenty of power, its my understanding that people go straight cut to reduce side loading on the bearings. That is also what I thought, but if these can handle the power Robert put through them.... Would be interesting to get to the facts; if only I had a mpi set I am pretty sure I could get our lab to analyse the material properties. Dazed and Confused.... |
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40 Posts Member #: 10509 Member Wigan |
1st Sep, 2013 at 01:12:17pm
Would changing from a gt17 to a t2 make any difference, just with the recent turbo up for sale? Will save getting manifold made etc? But if the gt17 is miles better ill stick with that,
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40 Posts Member #: 10509 Member Wigan |
10th Oct, 2013 at 02:38:34pm
After dropping lucky on a really cheap 1275 I don't think this turbo is going to be a 998, but I think I'll keep my 998 engine for a future play about |
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 6729 Posts Member #: 618 Post Whore Glasgow |
10th Oct, 2013 at 03:18:27pm
the fun of minis! constant evolution! |
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 1425 Posts Member #: 9199 Post Whore Lancashire |
10th Oct, 2013 at 03:30:32pm
glad the advice worked and yo got the 1275 On 10th Oct, 2013 Craigr91 said:
After dropping lucky on a really cheap 1275 I don't think this turbo is going to be a 998, but I think I'll keep my 998 engine for a future play about 
This thread an be moved to the relevant location? Just need to now get a move on, may have myself a cam after this weekend so need my 1275 stripped and progress can be made only that work is still really busy :/ What the mind can conceive the mini can achieve
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40 Posts Member #: 10509 Member Wigan |
10th Oct, 2013 at 03:43:55pm
Will do lee, assume weekends best for you?
Edited by Craigr91 on 10th Oct, 2013. |
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1425 Posts Member #: 9199 Post Whore Lancashire |
10th Oct, 2013 at 09:24:03pm
On 10th Oct, 2013 Craigr91 said:
Will do lee, assume weekends best for you? and am I right going for a mg metro cam? cheers :) What the mind can conceive the mini can achieve
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40 Posts Member #: 10509 Member Wigan |
11th Oct, 2013 at 06:17:55pm
Yeah I heard that and I've been reading about the phase 2 since I saw a thread in here, I may make a change depending on budget when engine going together :)
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