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Mini Cooper 998 Screamer Nut And Bolt Rebuild


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#1096 BlueAnorak

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Posted 15 October 2015 - 11:35 PM

I always thought this was for holding a timing light but it is on the wrong side for the timing marks.

 

A quick search revealed this link (on TMF) which reveals it is used for mounting an external crank sensor.

 

http://www.theminifo...-large-notches/



#1097 Jase

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Posted 16 October 2015 - 06:28 AM

I prefer it with the seals so much so I have bought some :)



#1098 Artstu

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Posted 16 October 2015 - 08:53 AM

With seals.



#1099 James_eaton_thewholething

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Posted 16 October 2015 - 09:05 AM

Definitely with the seals, just makes the paint colour look even better

#1100 Richie83

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Posted 16 October 2015 - 09:07 AM

Looks better with the seals IMO Pete

#1101 alchall

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Posted 16 October 2015 - 09:22 AM

My preference is with the seals, however, it is your car so you need to ask your self what you will be most happy with, no point in doing something everybody else likes if you're going to look at it and think it would have been better the other way around.

 

I also think my timing cover has the oval shaped breather and it's an SPI, I would imagine it's a space saving initiative like you say given the later cars had more to cram in under the bonnet.



#1102 Ben_O

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Posted 16 October 2015 - 11:24 AM

I think it looks unfinished without the seals



#1103 Petrol

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Posted 16 October 2015 - 08:04 PM

Thanks for the replies. A bit of a no brainer on the seals then :D Maybe I've lost the plot with weight saving facepalm_zpsc276f452.gif

 

 

Fitted

 

1508_zps9pa86gj1.jpg

 

 

Also put the trim along the seam. Warming it up with a hair dryer made it a bit easier

 

1509_zps3uekyjyy.jpg

 

 

Pete



#1104 Steve220

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Posted 18 October 2015 - 11:41 AM

Pete, I can't quite make out from the photos, are you using the late style rubber will trim or the earlier plastic one?

#1105 Petrol

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Posted 18 October 2015 - 09:38 PM



Pete, I can't quite make out from the photos, are you using the late style rubber will trim or the earlier plastic one?

 

Sill trim is plastic, got it from Minisport

 

1511_zpsafaepqxh.jpg

 

One of the problems with some rubber trims is they have a steel insert which can rust on the cut ends. The boot seal I have needs cutting to size and treating before fitting. Despite popular belief, rust is contagious so if you have rust stains running down paint, it will eat through the paint and eventually corrode the steel behind.

 

Pete



#1106 Nino

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Posted 27 October 2015 - 09:55 PM

Hi Pete !!

I just had a look at your built again!

Just love it !! Quality work just keep Coming! :)

And love your all original s13 !

But i just have one question, im about to underseal my mini.
So how much 3M stonechip coat did you use?
And is it 400-500ml cans ? :)


I just love this one !

Kind regards Nino

#1107 CAU998

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Posted 28 October 2015 - 09:48 AM

Love how the build is coming along, its starting to really come together. I like how the arches look with the rubber seals, where did you purchase them from?

#1108 Petrol

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Posted 29 October 2015 - 08:04 PM

Thanks for the kind words, I used about 3 1/2 1Kg tins of stone chip but in an attempt to save weight, didn't put much on.

The arch seals are from Somerford Mini. GAW117FK - Fitting kit, standard arches

 

Picked up the short block today, chemically cleaned. Steel strap on main bearing, not strictly needed on a 998 but why not?

 

1512_zpstpogixw0.jpg

 

Block decked

 

1515_zps3tl7jjny.jpg

 

Hone looks good - 45 degree cross cuts

 

1516_zpst1xnwyzp.jpg

 

 

New core plugs and cam bearings. You can also see in this pic that due to the webbing, it's an A+ block - stronger than pre A+ and gives me more options with the choice of distributer

 

1513_zpscmjskw4x.jpg

 

1514_zps41iuurfy.jpg

 

 

Crank ground and balanced

 

1517_zpsjohbhop2.jpg

 

 

Lightened flywheel also balanced with the clutch

 

1518_zpso3t5ovyo.jpg

 

 

Brand new genuine primary gear

 

1519_zpsbycvuc2u.jpg

 

 

Pete

 

 

 

 

 

 



#1109 RossKnight

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Posted 29 October 2015 - 09:13 PM

Going to be a great little revvy motor!



#1110 ace01

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Posted 30 October 2015 - 01:18 PM

 A good 998 is very nice, but a 4.33 diff in a road car?  I currently run a 3.9 in a 997 and also in a 1275.  I did think about using a 4.1 in the 997, I'm glad I didn't now. 

 

The 1275 is heavily modified and is used as a hillclimber that can also be used occasionally on the road.  The 997 is an old rally car that I have just completed 1800 miles around Ireland in and it went well.  A 4.33 would be an absolute pain to drive on the road.  Indeed a friend of mine used one for a brief period and promptly took it out. 

 

Your build looks very good otherwise, I like the forethought put into different things.


Edited by ace01, 30 October 2015 - 01:18 PM.





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