Another Rust Assessment / Best Repair

J

jcw

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Miami Beach
Looking for some advice on this frame that I own. I pulled the skid plate off and noticed a decent amount of rust/pitting. I am in the process of fully cleaning the rust off (first pic). The inside looks clean and smooth throughout (used an endoscope camera) with just some very light surface spots (second pic). The rest of the frame is pretty clean and smooth.
What would be the best course of action to remediate / fix as best as possible?

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jcw said:
Looking for some advice on this frame that I own. I pulled the skid plate off and noticed a decent amount of rust/pitting. I am in the process of fully cleaning the rust off (first pic). The inside looks clean and smooth throughout (used an endoscope camera) with just some very light surface spots (second pic). The rest of the frame is pretty clean and smooth.
What would be the best course of action to remediate / fix as best as possible?

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The inside shot looks like it is the inside sidewall of the frame. What does the inside bottom of the frame look/feel like? That's where the rot will start. Have you looked inside just below the control arm brackets?
 
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There's a couple of spots in that lower frame picture that look like a not real hard hit with an average sized hammer may let you see inside the frame.

Safety caps or something similar is what you'll probably need.

I'd use a BFH and pound the bottom everywhere from the rear crossmember to the front spring mounts and hope that what we're looking at right now is the only area needing attention.
 
@Rcroane Here are the best shots I can get with the camera I have of the inside bottom.
@JEEPCJTJ I took a 3 lb mini sledge to it with a decent pop, nothing crazy as I don't wanna bend the metal but it sounded pretty solid and "metal like" sound
with no holes or weak spots opening up. Not sure if I should hit harder
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That does look pretty darn clean. What are your plans for keeping it that way? Eastwood's? Fluid Film? Both?

Edit: Just watched the video.....the sound is "softer" on the section you are hitting at the beginning of the video vs. a more distinctive metal sound at the other end.
 
My plans (barring anyone with experience treating this / contrary advice) is to:

1. Finish stripping the rust / paint off the outside of the frame.
2. Spray Ospho on the outside and inside to treat any remaining rust
3. Paint over the outside frame with Krylon Rust Tough
4. Spray the inside / outside of the frame with some film. Possibly the pb blaster surface shield as it is supposed to last twice as long as fluid film

Any contrary or additional advice is welcomed
 
jcw said:
My plans (barring anyone with experience treating this / contrary advice) is to:

1. Finish stripping the rust / paint off the outside of the frame.
2. Spray Ospho on the outside and inside to treat any remaining rust
3. Paint over the outside frame with Krylon Rust Tough
4. Spray the inside / outside of the frame with some film. Possibly the pb blaster surface shield as it is supposed to last twice as long as fluid film

Any contrary or additional advice is welcomed
Click to expand...

Sounds like a good plan. Just one observation I've had with Surface Shield, I found that in the hot summer months, it "melts" and runs out of the drain holes. Could be that I applied too much. And Miami gets warmer than Virginia.
 
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jcw said:
My plans (barring anyone with experience treating this / contrary advice) is to:

1. Finish stripping the rust / paint off the outside of the frame.
2. Spray Ospho on the outside and inside to treat any remaining rust
3. Paint over the outside frame with Krylon Rust Tough
4. Spray the inside / outside of the frame with some film. Possibly the pb blaster surface shield as it is supposed to last twice as long as fluid film

Any contrary or additional advice is welcomed
Click to expand...

If I'm in your shoes, I'm spraying Eastwood internal frame coating inside that frame while it still looks so clean and rust free. If it does what they claim, you'll likely never have to worry about rust again.

Edit: just noticed you mentioned using Ospho INSIDE the frame also. My bad.
 
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Rcroane said:
This is a good suggestion. You can always put film over the Eastwood's, but not vice versa.
Click to expand...

I'm not real familiar with Ospho, but if I remember correctly it's supposed to be a rust inhibitor coating. In that case, his current plan is fine as it's personal preference. If I'm wrong about what Ospho does, I'd use Eastwood.
 
WVJeep304 said:
I'm not real familiar with Ospho, but if I remember correctly it's supposed to be a rust inhibitor coating. In that case, his current plan is fine as it's personal preference. If I'm wrong about what Ospho does, I'd use Eastwood.
Click to expand...

The ospho is supposed to react with any rust and change its chemical property to an inert paintable surface. So in theory I could do all 3. Ospho, Eastwood, FF. Or Maybe I just fill it with molten steel, Ha
 
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