Corral

tconkling · 11-03-2009, 09:25 PM

I have some subframe connectors that are close enough to the floor pan where I could weld them on there for most of the length and in the larger gaps I'm wanting to make some plates to fill the negative space and weld them all to the floor pan. I am hoping against hope that I could get away with doing the welding with the interior in? I am assuming the metal isn't thick enough were I wouldn't just fry the carpet but I figured I would ask

2ksteeda · 11-03-2009, 09:38 PM

It will definitely burn the carpet.

carrew · 11-04-2009, 12:37 AM

Dude its tin metal thickness, I would pull the carpet where ever your welding.

toyman · 11-04-2009, 12:41 AM

I don't think there's any benefit to welding the SFC's to the floorpan. Just weld along the full contact length of the subframe's on both sides.

tconkling · 11-04-2009, 02:15 AM

yeah, I did assume it would roast the carpet, just hoping that i was wrong

As far as it helping I would like to tie all the structures together as much as possible. I can't see it hurting rigidity and filling in the gaps would definitely increase the stiffness in bending as there is more then a linear increase of strength in bending with increased 'height' i.e. a 1x2 vs a 2x2 will have about 4x the strength in bending.

plus its fun playing with my welder lol.

MFE · 11-04-2009, 09:54 AM

Then you'll have plenty of fun reparing all the holes you create

carrew · 11-04-2009, 11:12 AM

Actually the old mm SFC's had little pieces that filled gaps between the torque boxes, but the new ones don't seemed to have them. Must of been a cost thing.

DAVE94LIGHTNING · 11-04-2009, 01:07 PM

The floor pan is so thin that even with the lowest settings on the welder it burned holes in the floor pan. I finally managed to strengthen the seat mounting area by welding it to the floorpan from the inside of the car with the carpet removed.

11-03-2009, 09:25 PM	#1
tconkling Registered User Trader Feedback: (0) Join Date: Aug 2008 Location: iowa Posts: 110	welding undercarriage with carpet in? I have some subframe connectors that are close enough to the floor pan where I could weld them on there for most of the length and in the larger gaps I'm wanting to make some plates to fill the negative space and weld them all to the floor pan. I am hoping against hope that I could get away with doing the welding with the interior in? I am assuming the metal isn't thick enough were I wouldn't just fry the carpet but I figured I would ask

11-04-2009, 12:41 AM	#4
toyman Registered User Trader Feedback: (8) Join Date: Aug 2007 Location: BC Posts: 1,110	I don't think there's any benefit to welding the SFC's to the floorpan. Just weld along the full contact length of the subframe's on both sides. __________________ Richard KB 2.1L, FRPP M5400-A Suspension System, FRPP Aluminum D/S, Shift Kit, High Stall TC, FRPP 3.73 Gears, Balanced Roller Cammed Engine, Edelbrock Performer Heads, Comp 270HR cam, AEM EMS, 3.5 Bar MAP, Zeitronix ZT-2 WB, FRPP 70mm TB, modified UPR CAI, Be Cool Aluminum Rad

11-04-2009, 01:07 PM	#8
DAVE94LIGHTNING Registered User Trader Feedback: (1) Join Date: Oct 2000 Location: Southern California Posts: 568	The floor pan is so thin that even with the lowest settings on the welder it burned holes in the floor pan. I finally managed to strengthen the seat mounting area by welding it to the floorpan from the inside of the car with the carpet removed. __________________ 1994 Ford Lightning. (357 Vortech YS) 1988 white 5.0 Coupe (100% original) 1991 white 5.0 Coupe (98% original)

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11-03-2009, 09:38 PM	#2
2ksteeda Registered User Trader Feedback: (2) Join Date: May 2004 Location: Northern Virginia Posts: 172	It will definitely burn the carpet.

11-04-2009, 12:37 AM	#3
carrew Registered User Trader Feedback: (3) Join Date: Feb 2002 Location: Home of the Indy 500 Posts: 15,723	Dude its tin metal thickness, I would pull the carpet where ever your welding.

11-04-2009, 02:15 AM	#5
tconkling Registered User Trader Feedback: (0) Join Date: Aug 2008 Location: iowa Posts: 110	yeah, I did assume it would roast the carpet, just hoping that i was wrong As far as it helping I would like to tie all the structures together as much as possible. I can't see it hurting rigidity and filling in the gaps would definitely increase the stiffness in bending as there is more then a linear increase of strength in bending with increased 'height' i.e. a 1x2 vs a 2x2 will have about 4x the strength in bending. plus its fun playing with my welder lol.

11-04-2009, 09:54 AM	#6
MFE Super Moderator Trader Feedback: (7) Join Date: Nov 1999 Location: There Posts: 5,786	Then you'll have plenty of fun reparing all the holes you create

11-04-2009, 11:12 AM	#7
carrew Registered User Trader Feedback: (3) Join Date: Feb 2002 Location: Home of the Indy 500 Posts: 15,723	Actually the old mm SFC's had little pieces that filled gaps between the torque boxes, but the new ones don't seemed to have them. Must of been a cost thing.