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Spitfire crank nut torque Print
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Jonny-Jimbo
January 13, 2018, 12:48am Report to Moderator

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Hi all,

I've got a Spit 1500 in the workshop for finishing off as the owner is now spending most of his time in Germany. When setting the valve clearances on the engine I found with my 8" long spanner I could turn the crank nut. I think therefore, it ain't tight! What's the torque setting for it? Needs a 1-13/16" socket I think, looks like a 1" thread, maybe a Whitworth one or something?

In my Dolomite 1500 manual it says 150lf-ft, is that the same for Spitfire?


62 Vitesse 1600 - Slammed & modified
67 2000 - Fitted with 2.5 o/d - 2012 RBRR, 2015 Essex Rally, 2016 HCR, 2016 RBRR
67 2000 Estate - Dormant
70 Herald 13/60 - First car, many bits
77 CZ 125 Sport - 70 miles on the clock
77 Kawasaki KM90 - Shop hack
81 Yamaha DT125 - Many bits
88 Ginetta G4/4 - Dead
88 BMW E30 320i - For Sale
89 Citroen AX GT - Rally car!
90 BMW E30 318iS - Building to FIA spec
90 Mazda Eunos 1.6 - 'Popeye'
93 BMW 530i - Donor
95 BMW E34 540i - 4L V8
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JohnD
January 13, 2018, 9:29am Report to Moderator


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150 lbs-feet.
JOhn


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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davidb5964
January 13, 2018, 10:35am Report to Moderator

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hi Jon
If you need a large torque wrench i can bring one home monday.
Dave
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Jonny-Jimbo
January 13, 2018, 10:53am Report to Moderator

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Cheers John, always best to double check these things.

Dave, I'll have to double check what mine go up to. I know my little one does 110lb-ft, think my bigger one will go to 250, but I'll check and let you know. I need to have a word with you about your Herald actually, I'll pop over tomorrow afternoon, I'm about to go to a mates stag do.


62 Vitesse 1600 - Slammed & modified
67 2000 - Fitted with 2.5 o/d - 2012 RBRR, 2015 Essex Rally, 2016 HCR, 2016 RBRR
67 2000 Estate - Dormant
70 Herald 13/60 - First car, many bits
77 CZ 125 Sport - 70 miles on the clock
77 Kawasaki KM90 - Shop hack
81 Yamaha DT125 - Many bits
88 Ginetta G4/4 - Dead
88 BMW E30 320i - For Sale
89 Citroen AX GT - Rally car!
90 BMW E30 318iS - Building to FIA spec
90 Mazda Eunos 1.6 - 'Popeye'
93 BMW 530i - Donor
95 BMW E34 540i - 4L V8
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JohnD
January 13, 2018, 7:21pm Report to Moderator


Posts: 6,869
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150 ft-lbs is a convenient torque to improvise.
70kgs, normal adult weight, 150lbs in Imperial, on the end of a foot long lever!
Or half that on two feet.

John


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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Dogsbody47uk
January 14, 2018, 8:23pm Report to Moderator
1971 13/60 saloon and 1971 vitesse mk 2 saloon
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Posts: 834
Posts Per Day: 0.60
Quoted from JohnD
150 ft-lbs is a convenient torque to improvise.
70kgs, normal adult weight, 150lbs in Imperial, on the end of a foot long lever!
Or half that on two feet.

John


Doesn't work for me ,John, 'cos I weigh 110 kg ! However, I do possess a good torque wrench... Cheers, Dave.


First Triumph: 200cc Tiger Cub. Followed by in no particular order, 350 and 500 Royal Enfield Bullet, Herald 1200, Herald 13/60, Mini 1275 GT, Vitesse 2L convertible, Audi 80, Audi 80 Sport, Fiat 124 Sport Coupe, Triumph 2000, Mk 2 Estate, Fiat Tipo, Fiat Stilo, Fiat Uno, Peugeuot Turbo Diesel(yuk), Lancia HPE 2000ie (wow! a dream!) So far 3 Heralds and My fourth Vitesse in the garage. I may have forgotten some... It's my age.. Oh , Honda 400 four.. Terrifying! And the 2 Renault 5s. Oh, and the Ford Granada 3 litre estate..I think that's the lot.
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JohnD
January 14, 2018, 8:47pm Report to Moderator


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On the contrary, Dave!

110kgs = 242lbs

If 150lbs at 1 foot = 150ft-lbs

Then 150ft-lbs = 242lbs at (1 x 150)/242 = 0.62ft or 7.4 inches.

It's not quantum chromodynaamics, or even algebra!   It's arithmetic!
If you can work out the price of four tyres when you know the price of one, you can do this calculation.
John


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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Jonny-Jimbo
January 15, 2018, 2:08pm Report to Moderator

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Posts: 4,992
Posts Per Day: 1.22
In any case my 8" spanner undid the nut by hand, without trying, so either way it wasn't correctly torqued!


62 Vitesse 1600 - Slammed & modified
67 2000 - Fitted with 2.5 o/d - 2012 RBRR, 2015 Essex Rally, 2016 HCR, 2016 RBRR
67 2000 Estate - Dormant
70 Herald 13/60 - First car, many bits
77 CZ 125 Sport - 70 miles on the clock
77 Kawasaki KM90 - Shop hack
81 Yamaha DT125 - Many bits
88 Ginetta G4/4 - Dead
88 BMW E30 320i - For Sale
89 Citroen AX GT - Rally car!
90 BMW E30 318iS - Building to FIA spec
90 Mazda Eunos 1.6 - 'Popeye'
93 BMW 530i - Donor
95 BMW E34 540i - 4L V8
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Dogsbody47uk
January 15, 2018, 8:12pm Report to Moderator
1971 13/60 saloon and 1971 vitesse mk 2 saloon
Club Member
Posts: 834
Posts Per Day: 0.60
Quoted from JohnD
On the contrary, Dave!

110kgs = 242lbs

If 150lbs at 1 foot = 150ft-lbs

Then 150ft-lbs = 242lbs at (1 x 150)/242 = 0.62ft or 7.4 inches.

It's not quantum chromodynaamics, or even algebra!   It's arithmetic!
If you can work out the price of four tyres when you know the price of one, you can do this calculation.
John

Fair enough, John, but I still prefer to use a torque wrench... Cheers, Dave  


First Triumph: 200cc Tiger Cub. Followed by in no particular order, 350 and 500 Royal Enfield Bullet, Herald 1200, Herald 13/60, Mini 1275 GT, Vitesse 2L convertible, Audi 80, Audi 80 Sport, Fiat 124 Sport Coupe, Triumph 2000, Mk 2 Estate, Fiat Tipo, Fiat Stilo, Fiat Uno, Peugeuot Turbo Diesel(yuk), Lancia HPE 2000ie (wow! a dream!) So far 3 Heralds and My fourth Vitesse in the garage. I may have forgotten some... It's my age.. Oh , Honda 400 four.. Terrifying! And the 2 Renault 5s. Oh, and the Ford Granada 3 litre estate..I think that's the lot.
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Jonny-Jimbo
January 16, 2018, 9:26am Report to Moderator

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Posts: 4,992
Posts Per Day: 1.22
That method would also need the bar to be perpendicular to the crank and parallel to the ground, otherwise you have to factor in vectors etc.


62 Vitesse 1600 - Slammed & modified
67 2000 - Fitted with 2.5 o/d - 2012 RBRR, 2015 Essex Rally, 2016 HCR, 2016 RBRR
67 2000 Estate - Dormant
70 Herald 13/60 - First car, many bits
77 CZ 125 Sport - 70 miles on the clock
77 Kawasaki KM90 - Shop hack
81 Yamaha DT125 - Many bits
88 Ginetta G4/4 - Dead
88 BMW E30 320i - For Sale
89 Citroen AX GT - Rally car!
90 BMW E30 318iS - Building to FIA spec
90 Mazda Eunos 1.6 - 'Popeye'
93 BMW 530i - Donor
95 BMW E34 540i - 4L V8
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JohnD
January 16, 2018, 10:09am Report to Moderator


Posts: 6,869
Posts Per Day: 1.51
Some people will pick a hole in anything!


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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