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FRONT CHASSIS TO BODY BOLTS - Suspension/Brakes/Wheels/Hubs/Steering/Geo - The Lotus Forums - Official Lotus Community Partner Jump to content



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Last question for the week....maybe...:).  can' t find the two bolts fixing the body on the chassis at the front, the two near the suspension bolts on the inside. I know that I need to drill my new chassis once the body on but what size and thread are the original ones?   Thanks again for your help.

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Hi Giorgio,


I checked the bolts that came off of my 79 Federal S2 and those bolts are M8 x 45mm with a 1.25 thread pitch and are rated at 8.8.  There is also a 32mm diameter washer which is 3mm thick as well as a smaller flat washer and the nyloc nut.  Hope this helps.


Lou R 

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  • 3 weeks later...

Giorgio has been asking me about the chassis bolts removed from my car. So far he has the following info:

2 M8 at the front chassis member (front boot)

2 M8/10 ? on each side of footwell

4 M8  on the chassis tunnel


3 M10 on the rear (engine bay bar)

don't know length and if they are 8.8 or 10.9 grade


Here are the bags of bolts I have:










If anyone can identify any of them I can start separating and cataloging and will post up new pics with specs.

Edited by Freemason
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  • 1 month later...

Wow, neat part list!

Now most of it is probably obsolete but still good information.

Thanks for the link.

Something I learned about cars or planes, it all works until it doesn't anymore...sometime there is no way around it!

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  • 1 year later...
On 05/01/2016 at 18:28, Freemason said:





The top ones in this pic are I believe the four bolts (a pair behind each seat) that go through the rear bulkhead to the chassis brackets.

M8 x 60mm. Washers are 1 1/4" OD, 1/8" thick.

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