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Fan belt size

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DAVIDI1
NON Member
Posts: 15
Joined: Wed Dec 20, 2006 7:48 pm
Whats your location?: Galway
Region: Western
What Minis have you?: 78 mini Clubman
72 irish built mini 850
Location: Galway
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Fan belt size

Post by DAVIDI1 »

What is the correct size fan belt for a 78 clubman 998cc?


1978 Mini clubman
1972 Irish built Mini 850
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The Marcos Graveyard
IMOC Paid Member
Posts: 4720
Joined: Fri Feb 04, 2005 10:05 am
Whats your location?: Longford
Region: Eastern
What Minis have you?: 1971 Mini Marcos.
1984 Mini Sprite
Modifications: 1380cc
Weber45
S/C CR gearbox and drop gears
Location: Longford
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Post by The Marcos Graveyard »

830 I think.
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A fully carbon fiber Mini Marcos shell weighs just 7.25kg.
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DAVIDI1
NON Member
Posts: 15
Joined: Wed Dec 20, 2006 7:48 pm
Whats your location?: Galway
Region: Western
What Minis have you?: 78 mini Clubman
72 irish built mini 850
Location: Galway
Contact:
Contact DAVIDI1

Post by DAVIDI1 »

THANKS :D
1978 Mini clubman
1972 Irish built Mini 850
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The Marcos Graveyard
IMOC Paid Member
Posts: 4720
Joined: Fri Feb 04, 2005 10:05 am
Whats your location?: Longford
Region: Eastern
What Minis have you?: 1971 Mini Marcos.
1984 Mini Sprite
Modifications: 1380cc
Weber45
S/C CR gearbox and drop gears
Location: Longford
Contact:
Contact The Marcos Graveyard

Post by The Marcos Graveyard »

Hope you got your fan belt sorted, if you didn't you could always give Ray Cunningham at the Galway Mini Center a shout, 091 790046 or contact the Regional Rep. for the Western Region of the Irish Mini Owners Club, Adrian Cusack on 087 6626039, he should be able to point you in the right direction.
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A fully carbon fiber Mini Marcos shell weighs just 7.25kg.
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DAVIDI1
NON Member
Posts: 15
Joined: Wed Dec 20, 2006 7:48 pm
Whats your location?: Galway
Region: Western
What Minis have you?: 78 mini Clubman
72 irish built mini 850
Location: Galway
Contact:
Contact DAVIDI1

Post by DAVIDI1 »

I got the belt sorted today (838mm belt). Does it make any difference to the alternator if the belt is to tight? i noticed that when the car is running if i switch the lights or heater on the revs drob a bit.
1978 Mini clubman
1972 Irish built Mini 850
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Merlin
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Posts: 491
Joined: Thu Sep 07, 2006 11:05 pm
What Minis have you?: Mk1 Austin Mini,Mk3 Layland Mini,72Van,81 Clubman Estate, 87 Race carand a 2000 Rover Cooper.
Modifications: Mk1: 998 with flat top slipper pistons, 286 cam, 12G940 head 11:1 compression twin inch and a half SU's 5 speed gearbox. Mk3 998 automatic no mods, 72Van is a pile of rust, , Racer is being built but has the works and the 2000 rover cooper needs an engine again :(
Location: Dublin
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Post by Merlin »

Just be careful David it is possible to damage the alt main bearing. A good indication is if you press the belt with your finger on its longest run i.e. (where there is the greatest distances between the three pulleys) it should deflect about 10 to 12 mm or in the queens increments half an inch. Also it is very normal for the engine rpm to decrees when a load is placed on the alt as to generate electricity you need power and so the engine must do more work which mean a drop in rpm.
Regards,
Paul.
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