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Old Apr 19, 2017 | 04:07 PM
  #1  
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Default Cutting Fenders

I want to cut the front fenders on my jeep. I don't want to mess with the back ones because i know you have to cut them in sections and fold them back and i just don't want to screw that up. So for the front do you just pick your line and cut with a sawzall or such? It seems pretty straight forward but i just wanted to make sure.
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Old Apr 19, 2017 | 04:38 PM
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It really depends on how you want to finish them- usually people cut with the intention of adding some larger fender flare. If you're going bare metal, some lawn edging can conform to whatever shape you cut and give it a finished look. I think I saw someone just trace the stock flare and cut along that line.


The back cut-and-fold isn't that bad.
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Old Apr 19, 2017 | 06:09 PM
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When we did my front flares. My buddy used a plasma cutter, made it seem effortless. Are you adding flares? Or just trimming then using some kind of edge molding?
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Old Apr 19, 2017 | 09:07 PM
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Lawn edging material! Thats a real good idea and i have some too!!! Mine are chopped(previous owner) front and back, not sure of the tool used. Nicely cut though, but a tad sharp edge(have used the grinder to make less sharp). Glad i did grind them cause when doing ball joints i would have cut my arm to the bone... Thanks for the idea!!!
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Old Apr 19, 2017 | 09:11 PM
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Also that automotive door trim stuff works nice.
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Old Apr 19, 2017 | 09:13 PM
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Originally Posted by CurrySoSpicy
When we did my front flares. My buddy used a plasma cutter, made it seem effortless. Are you adding flares? Or just trimming then using some kind of edge molding?
im not adding any new flares or anything, just trimming them up to get rid of the rub up front and for a different look.
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Old Apr 19, 2017 | 09:14 PM
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Originally Posted by alpine.adrenaline
It really depends on how you want to finish them- usually people cut with the intention of adding some larger fender flare. If you're going bare metal, some lawn edging can conform to whatever shape you cut and give it a finished look. I think I saw someone just trace the stock flare and cut along that line.


The back cut-and-fold isn't that bad.
lawn edging sounds like a good idea since i don't plan on adding more flares. I was also just thinking of cutting along the flare line as well. Thank you
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Old Apr 22, 2017 | 12:57 PM
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4 1/2" grinder with a cutting wheel works well.
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Old Apr 22, 2017 | 01:01 PM
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Originally Posted by dlr92xj
I want to cut the front fenders on my jeep. I don't want to mess with the back ones because i know you have to cut them in sections and fold them back and i just don't want to screw that up. So for the front do you just pick your line and cut with a sawzall or such? It seems pretty straight forward but i just wanted to make sure.
don't be afraid of the rear fender cut... It's really easy and a lot simpler than you think.

Too many bs stories out there... It's not a big deal at all. The benefits are well worth the effort

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Old Apr 23, 2017 | 09:49 PM
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Originally Posted by JD Cravin
don't be afraid of the rear fender cut... It's really easy and a lot simpler than you think.

Too many bs stories out there... It's not a big deal at all. The benefits are well worth the effort
how would you suggest cutting the rears?
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Old Apr 24, 2017 | 08:34 AM
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Originally Posted by dlr92xj
how would you suggest cutting the rears?
you cut vertical lines between the spot welds, the more the better especially on the round corners. then hammer the lip in. when you cut verically, don't go too far. in the pic below i'd say he/she could've stopped a millimeter or two before, that way when you fold it you don't see the cut.

i did the same in the front to keep some rigidity in my fenders.

here's an example :

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Old Apr 24, 2017 | 08:39 AM
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Arrr I'm a pirate here to hijack a thread.

What are you guys doing for sealing the vertical cuts after hammering them in?

Coating in POR15? Suggestions? I will be undertaking this task soon.
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Old Apr 24, 2017 | 11:57 AM
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Rustoleum to the rescue. Get crazy with the spray paint.
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Old Apr 24, 2017 | 05:14 PM
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Originally Posted by Cane
you cut vertical lines between the spot welds, the more the better especially on the round corners. then hammer the lip in. when you cut verically, don't go too far. in the pic below i'd say he/she could've stopped a millimeter or two before, that way when you fold it you don't see the cut.

i did the same in the front to keep some rigidity in my fenders.

here's an example :

awesome thanks man this is very helpful
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Old Apr 24, 2017 | 05:31 PM
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Originally Posted by bad_idea
4 1/2" grinder with a cutting wheel works well.
This is what I used.

Put down masking tape. Mark the lines you want to cut then have at it. Go over the edge with a flap disc afterwards.

I put some adhesive door edge guard around the openings after I was done to clean it up and protect against the sharp edge.




Originally Posted by CurrySoSpicy
Arrr I'm a pirate here to hijack a thread.

What are you guys doing for sealing the vertical cuts after hammering them in?

Coating in POR15? Suggestions? I will be undertaking this task soon.

I roughed up the exterior paint before I folded them under, also sprayed the back with some primer before the fold.

Then folded them and primed. I do however plan on bedliner on my rear quarters so they are just staying primed to prevent corrosion for now.

Last edited by LACK; Apr 24, 2017 at 05:33 PM.
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