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  #11  
Old 19th October 2010, 03:42 PM
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RAYLEE29 RAYLEE29 is offline
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Weld thru primer applied to both pieces before welding, paint and seal after.
nearly every car on the road has spot welded floor pans sills etc
and then theres the problem of galvanic reactions when using ally floor rivetted to steel chassis.
after a period of time the ally floor could fall off as the rivets corrode and eventually disapeer
my floor is steel welded on as above
other people have rivetted ally floors and theyre fine too
if you have the steel weld it on im sure it will make an excellent floor and cost nothing.
many kit producers also weld in floors im sure theyre not all wrong
Ray
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  #12  
Old 19th October 2010, 04:20 PM
Locky Locky is offline
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Also spray schultz (cavity wax stuff) gets into nooks and crannies to form a nice weatherproof seal which is used on the underside of cars as an anti corrosive.
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  #13  
Old 19th October 2010, 04:40 PM
mr henderson mr henderson is offline
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Quote:
Originally Posted by RAYLEE29 View Post
Weld thru primer applied to both pieces before welding, paint and seal after.
nearly every car on the road has spot welded floor pans sills etc
and then theres the problem of galvanic reactions when using ally floor rivetted to steel chassis.
after a period of time the ally floor could fall off as the rivets corrode and eventually disapeer
my floor is steel welded on as above
other people have rivetted ally floors and theyre fine too
if you have the steel weld it on im sure it will make an excellent floor and cost nothing.
many kit producers also weld in floors im sure theyre not all wrong
Ray

I knew I'd read something about this somewhere, it was on the locostbuiders forum a while back-

Quote:
Originally Posted by procomp
Hi

The reason that you still rivet a STEEL floor on is because you will never get to protect in between the two areas when welding the sheet on. It is well known that the chassis with welded steel floors have the base of the chassis tubes rotting out after a few years. This is exactly why the 750mc recommend riveting the steel floors to the locost race cars. Especially after what was seen on some of the early cars.

If you are going to weld the floor on the ideal way is to cut the sheet so it sits inside the chassis so there is no overlap of the floor sheet and the chassis tube. This then requires the whole of the sheet to be seemed. Not really a good idea as it distorts the chassis quite badly.

Cheers Matt
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  #14  
Old 19th October 2010, 04:42 PM
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Mines got a steel floor spot welded on now for over 2 years and its been fine, i did also have it all e-coated and powder coated afterwards which will have helped to seal it all to.

A spot weld every 2" has held in my 16 stone and took a lot of abuse and after checking each weld a couple of times since all have been well.

Tis your choice but if its free (and it doesn't weigh too much) then use it......AndyH
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  #15  
Old 19th October 2010, 04:42 PM
rpjg1975 rpjg1975 is offline
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Cheers for all the help and suggestions. Always good to hear everyone's point of view on things

Russ
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