Lotus Elan

Bolt kits

PostPost by: Andrewelan » Wed Apr 22, 2020 1:27 pm

Does anyone know of a supplier who sells all the bolts required for a complete chassis change? Years ago when i rebuilt my S4 I got a package with everything all bagged and labelled: body to chassis, all suspension fittings and even handbrake tree pivot bolt.

Now I cannot find anyone listing the same package. Plenty of bolts in big packs but often they look to be fully threaded instead of being part threaded, part plain shank which is key for strength.

Any thoughts please? many thanks
1963 Nuffield 460
1972 Plus 2 S130
1987 E28 M5 #180
1996 SL500
2006 E46 318Ci
2016 F11 520d
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PostPost by: pharriso » Wed Apr 22, 2020 1:35 pm

I bought a set of Body to Chassis bolts from Sue in 2016, cost GBP10.50.

Did not include "all suspension fittings and even handbrake tree pivot bolt."
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PostPost by: stugilmour » Wed Apr 22, 2020 2:27 pm

If Sue has what you need, great. If not you could try Spyder. They supply a similar fastener array with their chassis.

LOTUS ELAN & +2 BOLT KITS

Body to Chassis
Elan & +2
01BK001
£29.90 Per Car Set

http://www.spydercars.co.uk/lotus-elan- ... -spindles/

HTH

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PostPost by: Andrewelan » Wed Apr 22, 2020 2:28 pm

Thanks Stu.
1963 Nuffield 460
1972 Plus 2 S130
1987 E28 M5 #180
1996 SL500
2006 E46 318Ci
2016 F11 520d
2018 T6 150TDi DSG
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PostPost by: Thornts » Wed Apr 22, 2020 5:31 pm

Wonder what made you think of that Andrew... I could try the guy who supplied my Elise set and see if he does the same for proper Lotus'. I might need a set too
Cheers
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PostPost by: Andrewelan » Wed Apr 22, 2020 5:42 pm

Must have been some discussion I had with someone!
1963 Nuffield 460
1972 Plus 2 S130
1987 E28 M5 #180
1996 SL500
2006 E46 318Ci
2016 F11 520d
2018 T6 150TDi DSG
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PostPost by: Craven » Wed Apr 22, 2020 7:15 pm

Suspension bolts supplied by Spyder have correct length shoulder but they get this by cutting down longer bolts, not sure if this will be the case with body bolts. Many of the original bolts used were purpose made not just size but in tensile strength.
May be of interest, shouldered bolt have 1 inch of thread so a 3 inch bolt will have 2 inch of shoulder. 2 inch bolt will have equal shoulder and thread.
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PostPost by: Gazzerb » Thu Apr 23, 2020 1:57 pm

Just to add a clarification to this discussion, the length of the threaded part of an imperial bolt such as UNF & UNC is defined as; 2 x the bolt diameter + 1/4" in BS1768.
For example for a 3/8" UNF bolt, the threaded length would be 2 x 3/8" + 1/4" = 1".
But a smaller bolt such as 1/4" diameter would be threaded for 3/4" only.
As the bolts reach about 3" long I think, this rule changes to increase the threaded length.
If you are struggling to find a suitable diameter/shank length/threaded length combination, try 'AN' type bolts available in a huge range in UNF threads. Trident Racing at Silverstone stock and supply without minimum quantities and they are stronger as well.
I used AN bolts for the special propshaft/flange bolts where it is crucial to have the plain shank within both flanges ie threaded section not in shear.
Apologies for the subject creep but it is important the use the correct bolts in loaded situations :D
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PostPost by: Andrewelan » Thu Apr 23, 2020 5:55 pm

Thanks for the further info and contacts
1963 Nuffield 460
1972 Plus 2 S130
1987 E28 M5 #180
1996 SL500
2006 E46 318Ci
2016 F11 520d
2018 T6 150TDi DSG
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PostPost by: Matt Elan » Fri Apr 24, 2020 1:27 pm

Did you know that all the body bolts and all standard (i.e. not high tensile) bolts used in the suspension have their own Lotus part number from which you can work out the dimensions?
Matthew Vale - Classic Motoring Author
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1969 Plus 2S - Currently undergoing nut and bolt restoration
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PostPost by: The Veg » Fri Apr 24, 2020 3:29 pm

Matt Elan wrote:Did you know that all the body bolts and all standard (i.e. not high tensile) bolts used in the suspension have their own Lotus part number from which you can work out the dimensions?


Do you know how?
1969/70 Elan Plus 2 (not S) 50/2036
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PostPost by: Andrewelan » Fri Apr 24, 2020 3:53 pm

I do hope you’re going to share this nugget!
1963 Nuffield 460
1972 Plus 2 S130
1987 E28 M5 #180
1996 SL500
2006 E46 318Ci
2016 F11 520d
2018 T6 150TDi DSG
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PostPost by: elanfan1 » Fri Apr 24, 2020 4:20 pm

It’s in the parts manual isn’t it? There’s a formula/description of how to decipher near the front.
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PostPost by: Matt Elan » Fri Apr 24, 2020 5:33 pm

To reply to The Veg - I do. Well almost. Each nut or bolt or screw etc has an 8 letter / figures part number such as:
'XUFB 9999'

The code is deciphered using page 9 of the Elan or Plus 2 Parts manual - Hopefully Reproduced below:

Nut and bolts.pdf
(664.91 KiB) Downloaded 63 times


Now if we have part number XUFB 0724 this is a: Hexagon head (X) UNF thread (UF), Bolt (B) which is 7/16 diameter (07), and 24/16 in length.
Matthew Vale - Classic Motoring Author
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1969 Plus 2S - Currently undergoing nut and bolt restoration
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PostPost by: The Veg » Sat Apr 25, 2020 1:44 pm

Thanks Matt. I had no idea that that was in the manual.
1969/70 Elan Plus 2 (not S) 50/2036
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