Bondo or not to bondo HELP!

Tr1gger · February 24th, 2007, 11:54 PM

Hey guys, just picked up a car and im changing out the carpet. After ripping it out I realized on the floor around the drivers seat rail, the floor is rusting out and there is a 3X2 inch hole. I was thinking about bondo-ing the hell out of it to fill it in. Would tha work? Or do I have to go with another method?

JBIGBOOTSY · February 24th, 2007, 11:58 PM

fiberglass sheet and resin.

1slo5.0 · February 25th, 2007, 12:01 AM

Cut all of the rusted metal out and section in a piece of good metal. Weld it.

Tr1gger · February 25th, 2007, 12:02 AM

would that be the strongest/best idea? I wanna avoid any welding as well.

86blkmustang · February 25th, 2007, 11:10 AM

Cut ur rust out like Darrell said cause bondo won't stop it from rusting. Cut it out weld a new piece in and throw some rustoleum paint on to it the ur done for a long long time.

redalert89 · February 25th, 2007, 11:33 AM

yup you cant fix rust unless you cut it totally out.

Dell · February 25th, 2007, 04:16 PM

Originally Posted by insnedrmr

would that be the strongest/best idea? I wanna avoid any welding as well.

If ya can't weld it i'd go the fiberglass route (as mentioned above)...

.Cut out all the rust.
Grind clean (nice and shiny) the surrounding area, top and bottom (under car if it's exposed)
Clean with a good degreaser
Apply fiberglass matt and resin in layers, top and bottom (make each layer a little bigger than the last)

If you got the tools should only cost ya around $20/$30 for the glass/cloth

good luck

ReverendDexter · February 26th, 2007, 01:06 AM

If you don't want to weld it, find someone who will. It'll be a lot better in the long run.

FIVE-0 · February 26th, 2007, 10:58 AM

Originally Posted by ReverendDexter

If you don't want to weld it, find someone who will. It'll be a lot better in the long run.

+1, its stronger and it'll last longer

speedy431 · February 26th, 2007, 07:59 PM

definitely take the time out to cut it out and then weld it with good metal. will last a lot longer than the cheap fiberglass method. the rust will go right through the fiberglass

February 24th, 2007, 11:54 PM	#1
Tr1gger Regular Join Date: Jan 2007 Posts: 203 iTrader: 0 reviews	Bondo or not to bondo HELP! Hey guys, just picked up a car and im changing out the carpet. After ripping it out I realized on the floor around the drivers seat rail, the floor is rusting out and there is a 3X2 inch hole. I was thinking about bondo-ing the hell out of it to fill it in. Would tha work? Or do I have to go with another method?

February 24th, 2007, 11:58 PM	#2
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,391 iTrader: 0 reviews	fiberglass sheet and resin. __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

February 25th, 2007, 12:01 AM	#3
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Cut all of the rusted metal out and section in a piece of good metal. Weld it. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

February 26th, 2007, 01:06 AM	#8
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,808 iTrader: 0 reviews	If you don't want to weld it, find someone who will. It'll be a lot better in the long run. __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\

February 26th, 2007, 07:59 PM	#10
speedy431 Newbie Join Date: Jan 2007 Posts: 7 iTrader: 0 reviews	definitely take the time out to cut it out and then weld it with good metal. will last a lot longer than the cheap fiberglass method. the rust will go right through the fiberglass __________________ 308, 13.5:1, TW heads, GT-40 Intake, QA1 front kit, UPR Pro rear, Aluma-stars, Pro-Stars rear, 10.95@120, 1.40 60'

February 25th, 2007, 12:02 AM	#4
Tr1gger Regular Join Date: Jan 2007 Posts: 203 iTrader: 0 reviews	would that be the strongest/best idea? I wanna avoid any welding as well.

February 25th, 2007, 11:10 AM	#5
86blkmustang Regular Join Date: Jan 2007 Location: Seaford, Delaware Posts: 106 iTrader: 0 reviews	Cut ur rust out like Darrell said cause bondo won't stop it from rusting. Cut it out weld a new piece in and throw some rustoleum paint on to it the ur done for a long long time.

February 25th, 2007, 11:33 AM	#6
redalert89 Regular Join Date: Feb 2007 Posts: 55 iTrader: 0 reviews	yup you cant fix rust unless you cut it totally out.

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