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67kem

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Discussion starter · #1 ·
I am getting ready to start working on the frame of my 67. My goal is to get a smooth looking frame when i am done. There are some rough areas from rust so my approach is as follows. First sand blasting, followed by epoxy primer, body filler, high build primer, more epoxy primer and finally chassis black.

My problem arrises in the fact that i plan on boxing the frame rails but would like to spray the inside of the rails prior to welding them closed. i am not worried about what the inside of the frame rails look like, i just want to do what ever i can to prevent rusting from the inside out. would it be best to use a weld through primer on the inside of the frame rails or should i just spray it with the epoxy?

i have also seen the tube like attachments for spray guns that are supposedly for getting into tight places. Has anyone used one of these with any success? I believe Eastwood sells them. Any help would be appreciated. Thanks
 
Discussion starter · #3 ·
Rob, that frame looks great.

The reason i am boxing is so that in the future i can put a cage in without worring too much about needing additional reinforcement to the frame. i am not 100% sure which way i am going with the restoration, but i can guarentee there will be some passes down a strip at some point.
 
#4 ·
Heres this if it might help on your frame boxing, my son had a 70 chevelle.

fast times in chicago built him a 540 that dynod at 600 horse, then we put on 125 horse nitros, so 725 horse.

Took it to kaukauna racetrack a few times.

373 gears, regular torque converter, not much above stock and 10'' drag radials. It ran a best of 11.2.


he didn't twist the frame, so I'm wondering how much are you putting into your car that would warrant the extra weight of boxing it.

Rob
 
#5 ·
I guess I could mention this.

On your profile, if you could fill it out, like your age, hobbies, what your job is, is this the first resto, do you have tools, what have you worked on.

I know this is kind of iffy asking somebody about there private life.

But heres what I have found.

I spent several hours one night searching and copying and pasteing all kinds of stuff about metal.

The next day the guy thanks me and says he's allready restored a couple of cars, and I'm thinking, wow that was pretty dumb of me to put out all that information.

So now I have a tendency to with hold information until I can get an idea on what the guy knows, and a lot of the time I'll find out he knows more then I do.

Then once I look at a thread and can't figure out what a guy knows, I will remember I read it and usually won't go back, and never know he filled it out.

I don't know how many others with hold inf. maybe its just me.

Anyway Marc just trying to help out.:thumbsup:

Rob
 
Discussion starter · #6 ·
This is my first resto so i really do appreciate all the help and info that is posted on these threads. The reason for the boxing is more of a personal preference. I am not looking at going all out with pro touring type chassis upgrades, but basically boxing in between the wheels. That way i can get the most strength benifits with the least weight. Throw in some new polyurethane body mounts and it should have a more solid feel.

As far as displacement/ horsepower, at this point i do not have a power plant in mind, but all i can say is it is going to be a large displacement big block. I am sure my eyes are bigger than my check book, but at this point i have my game plan set on making everything as bullet proof as possible, and capable of handling as much power as possible. I know alot of people would say i am wasting time and money doing it this way, but i would rather have the ground work in place so that when the time does come to invest in a motor, i can safely put as much horsepower as i can afford into it.

I did update my profile information.
 
#7 ·
67kem said:
This is my first resto so i really do appreciate all the help and info that is posted on these threads. The reason for the boxing is more of a personal preference. I am not looking at going all out with pro touring type chassis upgrades, but basically boxing in between the wheels. That way i can get the most strength benifits with the least weight. Throw in some new polyurethane body mounts and it should have a more solid feel.

As far as displacement/ horsepower, at this point i do not have a power plant in mind, but all i can say is it is going to be a large displacement big block. I am sure my eyes are bigger than my check book, but at this point i have my game plan set on making everything as bullet proof as possible, and capable of handling as much power as possible. I know alot of people would say i am wasting time and money doing it this way, but i would rather have the ground work in place so that when the time does come to invest in a motor, i can safely put as much horsepower as i can afford into it.

I did update my profile information.
Click to expand...
Sounds good, and the main thing is your doing it your way.:thumbsup:
 
#8 ·
Hey Marc, go for it! I've got a '67 Chevelle in my shop that's getting near to finishing that has a 400 small block (close to 500 horses), 4 speed, posi and the frame has been boxed as well. Don't really know if it's neccesary, but wouldn't hurt. The owner likes to drive corners fast. As far as the inside of the rails goes, yes the undercoat gun extensions do work (perhaps thin it down for better flow) and I recommend zinc (weld thru primer) for any welding procedures that you will have difficulty rust protecting later. Any other kind of primer will just burn off and be useless at the weld.
 
#10 ·
The weld thru primers seem to me to all do the same job, in the last few years I've noticed that many are "paintable", but I'm still reluctant to spray a visible top coat over these and only use where it's not seen. I personally like Norton 82781, but make sure you shake the heck out of the can, some are quite thick.
 
#11 ·
Hmmm.....neet i'm boxing my 67 frame tomarow. I plan on ueing weld-threw primer and maybe under coat thew the holes after im done but not quite sure on that one yet. I'm trying to stiffen up the chassy for better cornering and ..well...just because i can. My frame was weak in points and had some nasty rust.
When I figure out what im doin i'll re-post

Paul
 
Discussion starter · #12 ·
i started sand blasting today and found some additional rust on the rear shock perch. i will need a bit more work on that area. I am trying to figure out how i want to modify the trans cross member once i box it in. I am thinking of welding in a ledge on the inside of the frame once i get it boxed in. i will post some pics once i get it done.
 
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67kem
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