Jump to content
HybridZ

Floorpans/frame rails help... is this safe?


mditt8671

Recommended Posts

I need to replace/repair my floorboards. The Z I bought had non-Datsun seats in it; when I removed them today I saw that to make them fit the PO had removed metal to make them fit.

 

Has the removed steel compromised the structure of the car? Should I look at getting replacement pieces for what has been cut away when I replace the floorboards?

 

Also, I am trying to decide whether it's worth buying the Zedd Findings floorboards or whether I should just make my own from 16ga steel. The worst of the rust is clear up at the front of the driver's side floorboard and I'm not sure if they will even go up that far. I'm ok with cutting the floorboards myself but I'm looking for pros and cons. Additionally, the passenger floorboards are pretty solid but have some good pitting towards the front. I have all winter to work on this car; should I replace that one too?

 

Thanks for any advice you may have

post-14206-092248400 1324070343_thumb.jpg

post-14206-094774700 1324070353_thumb.jpg

post-14206-054397000 1324070405_thumb.jpg

post-14206-079033000 1324070425_thumb.jpg

post-14206-027554200 1324070444_thumb.jpg

post-14206-098464100 1324070449_thumb.jpg

post-14206-022676400 1324070459_thumb.jpg

post-14206-094817200 1324070466_thumb.jpg

post-14206-058734100 1324070479_thumb.jpg

Link to comment
Share on other sites

Replace the floor pans. What the PO did with the seat mounts is normal for these old cars. It isn't the best idea but it didn't compromise the strength of the pans. The amount of rust is your big issue. Since you have all winter, you've now got a new winter project.

Link to comment
Share on other sites

If your not VERY ocmfortable with sheet metal work yourself, the Zedd floors are worth every penny. I just made my own floors out of 16ga and it is not a job you should take lightly...

You might want to look into replacing the subframe connectors while your at it. Chances are if you floors are that bad off then your sub frame connectors are not far behind.

 

Might want to look into how much rust the rest of the car has if the floors are that bad.

Link to comment
Share on other sites

The rest of the car isn't bad. There isn't all that much rust-through on the floors but I am planning on doing it right while I have it apart... Zedd Findings floor pans are on the way. I had already ordered the Bad Dog frame rails.

 

I've attached a pic of another area that needs attention in the front fender well. What is this area called? I remember seeing a thread where someone described fixing this exact area and fabbing up everything; it was very descriptive with pics. I don't know the search terms for this though. Any idea?

post-14206-062789400 1324326029_thumb.jpg

Link to comment
Share on other sites

I am a welding rookie and I did the Zedd findings floor pans and the Bad Dog rails in my 260z SBC project. I did one side at a time to prevent any structural issues / twisting as the body was on a rotisserie. The stock rails were cut out and new ones in because the original ones were beat up. Next came some serious manipulation of the floor pans. Lots of trimming and test fits but in the end they came out great and so much stiffer. Last but not lease the Bad Dogs were slipped over and stitched on the stock rails. I also tied the rear end in with Bad Dog connectors. I drilled out all the spot welds when pulling the old pans out and used as much of the Zedd pans as possible going pretty high along the trans tunnel. I do not have the links but there are several guys who have stuff out there on how they accomplished the task.

Link to comment
Share on other sites

The picture above is called the T/C box and there are several people on here who have fixed the stock ones or fabbed up some custom ones and made some serious modifications as far as adding heim joints and such.

 

I'd be willing to bet my left nut that there is ALOT more rust that you think.

 

Just by looking at the floors and the T/C box as well as the front cross-memeber mount there is a fair amount of rust.

 

Having just gone through an entire strip and blast on my 260z I can attest to the amount of rust popping up in places that looked solid as can be. Don't be afraid to look around with a hammer and a screw driver, but once you find the cancer places decide how far you want to restore this thing. I chose to take my junk-yard rust bucket all the way down and put it up on a rotisserie and blast the entire chassis and coat with epoxy primer and Zero-rust. The places I could "see" before I blasted were the LEAST of my worries after I got through blasting.

 

Just my $.02

Link to comment
Share on other sites

I'm going to pick up some steel so I can dig in to the TC box repairs and see what else is there.

 

What is the recommended size steel for this? I know I need to do a two layer repair but am not sure of how thick the steel should be. I'd rather get a whole sheet and have a bunch left over so I don't have to make multiple trips to the steel distributor.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...