The V8 Owners Forum -

Posted: **Sat Nov 13, 2010 3:55 pm**

would this be ok for strength. just an update on cage, still need to do the front chassi rails yet. does the cage look ok as i dont think i will need the x-bars put in ,after doing some web searching. Any advice welcome.

rich

Posted: **Sat Nov 13, 2010 6:24 pm**

A diagonal across the lower part of the cage below the cross tube and into the boot would add alot to the strength and rigidity of the car without it it is a pretty open structure. A second one above the cross tube would be even better but but will add alot of weight high up and may get in the way of the front seats. Nice job by the way, you are clearly someone who was awake in maths when you did mechanical structures, proper triangles I like very much

those rear shock mounting points arnt going anywhere.
Best regards
Mike

Posted: **Sat Nov 13, 2010 7:53 pm**

Cheers Mike, ive got the fuel tank in the boot and i dont have to much room left in there ,and a rear firewall to be fitted. I could fit a diagonal above the rear cross bar,and the picture of inside the boot, the horizontal bar is just a support i welded in to stiffen up the long bars. All advice welcome. And as for school,that was along time ago, and i was asked to leave as i was a little sod.

rich

Posted: **Sat Nov 13, 2010 9:06 pm**

Posted: **Sat Nov 13, 2010 9:08 pm**

Posted: **Sat Nov 13, 2010 9:21 pm**

That'll stiffen it

Mike

Posted: **Sat Nov 13, 2010 9:32 pm**

Thats what i wanted to hear, the diagonal bar i just held for the picture ,the other picture of the low bar is already welded in. Will fit the diaganol tomorrow. Thanks Mike

rich

Posted: **Sun Nov 14, 2010 6:28 am**

Looking at the lower cross tube in your last photo can I surgest tying thst into the transmission tunnel top where it passes over it with some doubler plates to spread the loads into the tunnel say 4 to 6" in 16G or 18G either side spot welded through holes in the plate every 2" or so and seam welded on the ends (double it to the existing chassis cross member) that should stiffen the whole rear of the car alot making the cage intigral to the rear chassis.
Besr regards
Mike

Posted: **Mon Nov 15, 2010 4:05 pm**

well the diagonal is fitted and the bottom bar across the prob tunnel has had plates and angle welded, cheers Mike for the advice. Ive just the front to do.

rich

Posted: **Mon Nov 15, 2010 6:57 pm**

Hi
Are you putting bars in the door opening?
Mike

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