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View Full Version : Need help on Sub-frame conn.


chrisingermany
11-27-2005, 03:30 PM
own a 02 Z28 in Germany race my car on Nurburgring every chance I get and I am a little worried I am going to bend my frame being as the track and roads over here are crazy..and way to much fun. I just want to know if weld in ones are better than bolt on ones. Germany has laws making it really hard to get my hands on a welder so bolt on would be a lot easier but I don't know you tell me. are they both equal?

Bomber Z
11-27-2005, 05:17 PM
I got the Competition engineering bolt in SFC's. I welded then in after I had a chance and they made an big difference just bolted in. Well worth the money. I got them from Summit. I hope this helps you. Good luck.

Phoenix57
11-27-2005, 06:28 PM
weld in is typically seen as better. with that stress on the car, you might want to look for one that also makes an x accross the bottom of the car, with a good tunnel brace. LG Motorsports(sorry sponsors, yall might also carry something similar) makes a nice piece that you might want to check out. shippin is goin to be the biggest bitch for you.

CustomSSI
11-27-2005, 07:31 PM
Weld in is better but if all you can do is bolt in thats better that nothing. Also look into a strut tower brace. Those will stiffen up your front alot better also.

Josh

gettinthere
11-28-2005, 02:46 PM
I've got the Kenny Brown Double Diamonds. IMO they are the top of the line. They really helped.

Jrracing
11-30-2005, 08:53 AM
I have LG weld ons and they are great. They tuck up under the car nicely and they have brackets were I can bolt on an X bracket that they sell.

Jaberwaki
12-06-2005, 07:49 PM
i can from expirience recomen the UMI boxed SFC's weld in... the price was nice, and the peice was as good of build quality as i have seen.
added bonus they are a sponcer.

chrisingermany
12-07-2005, 02:12 PM
Thanks for the input I will hopefully be getting a big box for Christmas and either bolt-on or weld on will be all good

Mad-Max
02-08-2006, 06:30 PM
Look into a set of slp sfc, they offer both bolt on and weld on versions.

NBM2001z28
02-13-2006, 11:25 PM
We recommend weld ins, after some time turning with the bolt ins, they oval holes in the floor. I have Competition engineering ones and i had some nice 1/2" ovaled holes fast with just street driving.
Mike