bucket seat hole location

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Snake

Snake

Mopar Nut
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Hi guys me again.My 69 Dart had a bench seat and now i am installing 68 cuda bucket seats.my Q is i see on my floor pans were the factory stamp the location for buckets to fit.is it safe to drill thease or should i measure first.PS hope Gramps wife is doing better.
 
1/2 inch diameter holes at dimples just like factory did it.
 
Snake said:
Hi guys me again.My 69 Dart had a bench seat and now i am installing 68 cuda bucket seats.my Q is i see on my floor pans were the factory stamp the location for buckets to fit.is it safe to drill thease or should i measure first.PS hope Gramps wife is doing better.
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Holley Crap Slow Down Your Going Too Have It Finished Before We Even Get Any Snow. Just Kidding Get It Done So We Can Head For The Shows In The Spring. If Gas Stays This Cheap I Might Be Able Too Drive It More Than Just Cruises. Maybe Get Together With Gord How Has A 69 Dart As Well And Head For A Long All Day Drive. If You Want You Can Pick Up The Carb Any Time You Want.
 
Hey john she is well on its way look forward to cruising in the spring and the showes with ya.that carb tho is 10 weeks away tho dam that to long lol.
 
dont forget the reinforcement plates for the new holes.
 
jimacuda what do they look like and made of and how to install thanks for the tip.i would of just bolted them to the floor.
 
Anyone have any dimensions on those reinforcement plates?? length width thickness and location / size of hole?
 
I think the "Poison Dart" build on this site showed the plates and locations.
His car came with a bench as well...and remember...his mom bought him that nice set of '70 model a-body bucket seats for it...
 
Snake said:
jimacuda what do they look like and made of and how to install thanks for the tip.i would of just bolted them to the floor.
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Snake -
The reinforcement plates are available from a number of sources, including eBay. They need to be welded to the floor.
Don't install buckets without them. Even with washers behind the nuts, they could pull right thru the floor in case of an accident - not a good thing.
 
I got the plate dimensions here if you want them. Easier to buy them. They dont absolutely have to be welded to the floor pan but they do need to be there. 4 rivets each work work.
floorplatesunderbuckets-1.jpg
 
They dont have to have the entire perimeter welded, but do weld them in. No need to put 16 more holes in your floor pan and have 16 rivets sticking out underneath. Rivets will loosen over time and allow the outside in.
Also you only need plates on the inner sets of holes. The outers are supported by the brace already in place under the outer edges of the floor pan.
 
OH well I tryed to help. If you think welding them under the car is just as good you don't understand their function. Good luck
 
RedFish said:
OH well I tryed to help. If you think welding them under the car is just as good you don't understand their function. Good luck
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Sorry you feel your help and information is unappreciated. I appreciate it and wish I'd had it at my fingertips at the time I made my reinforcements. However, rather than insults why don't you enlighten us as to why 1/8" plate welded to the underside is so inferior?
 
71dustar said:
do you only need to attach the plats to the inside of hole closest to tunnel or to the outside holes too?
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The outboard holes are already reinforced. It's part of the same brace/bracket that reinforces the bench seat holes.

platesundercar2.jpg
 
70Duster440 said:
Sorry you feel your help and information is unappreciated. I appreciate it and wish I'd had it at my fingertips at the time I made my reinforcements. However, rather than insults why don't you enlighten us as to why 1/8" plate welded to the underside is so inferior?
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My reply was to snake. I'd didn't intend to insult anyone.
This has been argued before by others. Folks get the idea that the plates are meant to prevent the seat attaching nuts pulling through the floorpan in an accident and when placed uder the car they still do that. Their main purpose is to reinforce the floor pan due to the repeated stress from the sitter (you).
I could try to type out a long explanation and still someone would argue.
It's much simpler to suggest you find a rocking chair to sit in. Your feet on the floor will replicate leg movement of driving. Add to that the push and pull of your arms. Now imagine the rocking chair bolted to sheet metal.
That should help you grasp the concept.
One more thing is what if there aren't any inboard reinforcement plates installed ?
Over time the floor pan will distort. Eventually the tracks will be so far off plane that they bind when adjusting forward and back. Cheers
 
thanks Red I do think now keeping them out of site would be best and sounds like the best way to keep me and the missessss safe i guess there are a million ways to do something, however i sometimes dont get it right,but thanks to all for the help.MerryChristmass
 
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