MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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rficalora
Rob Ficalora
Willis, TX
(2764 posts)

Registered:
10/24/2007 02:46PM

Main British Car:
'76 MGB w/CB front, Sebring rear, early metal dash Ford 302

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anti-roll bar
Posted by: rficalora
Date: March 11, 2011 07:16PM

I need to shift my roll bar forward of where I'd mocked it up. How much stress goes on the fasteners that hold it up by the frame rails -- e.g. can I use riv-nuts (nutserts)? Other option is to use some plat to offset the mounting holes with bolts going from the bottom up to hold the plates to the captive nuts in the frame rails & from the top down to mount the roll bar brackets to. If I need to go with plate, is somthing like 3/16" or 1/8" sufficient?


Bill Young
Bill Young
Kansas City, MO
(1337 posts)

Registered:
10/23/2007 09:23AM

Main British Car:
'73 MG Midget V6 , '59 MGA I6 2.8 GM, 4.0 Jeep

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Re: anti-roll bar
Posted by: Bill Young
Date: March 11, 2011 10:11PM

3/16" plate should be sufficient with a bar up to 1" for anything larger I'd go up to 1/4" plate. Riv-nuts in steel should do well with a 3/8" bolt. I'd be doubtful using aluminum riv-nuts. If you can drop the bar about 1/2" I'd suggest making plates from some 1/2" aluminum stock and use countersunk allen head fasteners to mount it to the frame and then just drill and tap it for the other bolts that hold the bar mounts on.


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