Floor pan interior coating and coating under the car

[md02geist]

Hey all,

So as anyone who has read my posts knows I am getting ready to replace my floor pans with a nice one piece. Also probably going to mod the seat risers by dropping them an inch or so, possibly moving them back 1-2".


I'm debating what to use for undercoating on the car, and what to use on the interior pans. I have my options at the various bodyshops.

One guy seems to think just an epoxy primer with a good spray over the top of it would be fine.

Another prefers to do the entire interior and exterior floors in Line-X (not offbrand stuff, actual Line-X brand).


This is not a rare care, it is a basic 66 coupe that can be found all day long.
Originality is NOT an issue here, this is going to be a "restomod lite" as in it will have a pretty vintage look and feel to it but will be getting some restomod stuff done to it. I do not plan on putting the car in any sort of concourse shows, I am looking to make a great driver quality vehicle and not a trailer queen or show winner.


I like the idea of Line-X, my stepdad's truck has a spray in bedliner and that stuff is ridiculously sturdy.
I do however like the "cleaner" idea of a primer / spray.


What do you guys think? All input is highly appreciated, I value everyone's opinion.

[wareagle]

My vote is a couple coats of epoxy primer.

[bartl]

Whatever your choice, the first step should be Epoxy Primer. You can spray it or brush/roller it if you'd like and can get it in red oxide, if you'd like, for that "factory" look. On the inside of mine, I used truck bed liner over EP because I like the texture and figured it would help hold my insulation better. I'm also going to use it on my pinch weld at the rocker and used it on my splash shields, underside of the fender where exposed to spray and wheelhouses.

[wareagle]

Originally Posted by bartl

Whatever your choice, the first step should be Epoxy Primer. You can spray it or brush/roller it if you'd like and can get it in red oxide, if you'd like, for that "factory" look. On the inside of mine, I used truck bed liner over EP because I like the texture and figured it would help hold my insulation better. I'm also going to use it on my pinch weld at the rocker and used it on my splash shields, underside of the fender where exposed to spray and wheelhouses.

Sorry to hijack, but which truck bed liner did you use Bart? Never considered putting it on the splash shields.

[xcelr8]

^^ +1. Would like a nice roll on or spray can liner that wont fall off in a week. Need to do exterior of toe boards also.

[bartl]

I used el cheapo aerosol from WalMart.

[md02geist]

Originally Posted by bartl

Whatever your choice, the first step should be Epoxy Primer. You can spray it or brush/roller it if you'd like and can get it in red oxide, if you'd like, for that "factory" look. On the inside of mine, I used truck bed liner over EP because I like the texture and figured it would help hold my insulation better. I'm also going to use it on my pinch weld at the rocker and used it on my splash shields, underside of the fender where exposed to spray and wheelhouses.

I do not care about the factory look honestly...if I were putting something more rare together that might be a concern or if I was planning on entering shows or something. But with a "plain Jane" 66 coupe I'm fine turning it into something other than stock.

I definitely intend to do epoxy primer to begin with, it's just a matter of whether I go with Line-X over it or a nice topcoat.

[1-18-68]

I used POR-15 then applied the Eastwood butyl sheets material over that. Hypothetically I am now covered for rust prevention, heat and noise issues....................I hope.
+++ on the mod to the seat base. I have pictures if you want, also of the floor after application of noise/heat material. I did use a Chassis Saver coating on the underside and topped it with a bed liner spray as mentioned by Bartyl-I think he used it on the inside though. I don't care about originality only about it outlasting me!
russ

[md02geist]

Originally Posted by 1-18-68

I used POR-15 then applied the Eastwood butyl sheets material over that. Hypothetically I am now covered for rust prevention, heat and noise issues....................I hope.
+++ on the mod to the seat base. I have pictures if you want, also of the floor after application of noise/heat material. I did use a Chassis Saver coating on the underside and topped it with a bed liner spray as mentioned by Bartyl-I think he used it on the inside though. I don't care about originality only about it outlasting me!
russ

Bingo precisely how I feel. I'd love pics.

[palerider]

I used SPI epoxy black and plan on leaving as is.

[Fstbk]

Por15 is not designed to adhere to smooth, clean metal.
Epoxy can line a pool or coat a garage floor, it's better than most of the other stuff that some swear by.

Also, if you move your seat riser back 2" check that the seat mount bolts are still accessible.

[tweet66]

I did both. I put in convertible rockers, torque boxes and subframe connectors then rolled on epoxy and coated it with roll on bed liner inside and underneath.

[bartl]

I don't worry about the underside rusting because I don't drive it in the salt. I worry about rust from the inside from condensation, leaving the window cracked or a leaky gasket.

[xcelr8]

Originally Posted by tweet66

I did both. I put in convertible rockers, torque boxes and subframe connectors then rolled on epoxy and coated it with roll on bed liner inside and underneath.

Perfect! That's exactly what I had in mind.

[md02geist]

Originally Posted by tweet66

I did both. I put in convertible rockers, torque boxes and subframe connectors then rolled on epoxy and coated it with roll on bed liner inside and underneath.

That sounds crazy durable and probably very waterproof.