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UMI SFC Weld in or bolt on?

Old 06-02-2007, 04:07 PM
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Default UMI SFC Weld in or bolt on?

im curious to find out how much better (if any) are the weld on sub frame connectors than the bolt on type? i dont have a prob welding them to my car but im just worried that once there welded on i might not like the feel of them! all you guys that welded them on have you had any regrets? thanks alot!!!
Old 06-02-2007, 04:23 PM
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I'm pretty sure you can buy the bolt-in SFCs and weld them in later if you like them.
Old 06-02-2007, 05:20 PM
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Lightbulb Umi bolt in SFC

Hey bud it states in their website that the bolt in SFC's (3 point) can be welded in at any time, i would go with the bolt in for now, then add the rear torque arm that mounts away from the tranny w/drive shaft loop b/c it bolts up where the SFC ( 3 point) bolt in the same location,

just check out the pics of the torque arms, i am pretty sure there is SFC bolted on in those pics, and you will see what i am talking about.


i like bolt in stuff b/c just in case i have to pull S#$T apart after something else fails.
Old 06-02-2007, 11:07 PM
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the only difference between the weld-ins and bolt-ins (as far as i can tell from the pictures) is that the bolt-ins come with holes punched in the mounting plates for the bolts to go through, and they naturally come with the bolts needed to bolt them in.....and then the extra price increase for having to stamp the holes and provide the mounting hardware.

but yes.....if you are worried that you might not like them, buy the bolt-ins and try them out first....if you don't like them, pull them off and sell them to someone else. if you do like them, have them welded permanently. easy.
Old 06-02-2007, 11:09 PM
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yup yup. buy the bolt-ins. if you like them then weld them in
Old 06-03-2007, 05:01 PM
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Originally Posted by cookba
yup yup. buy the bolt-ins. if you like them then weld them in
agreed....
Old 06-03-2007, 11:37 PM
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why are you worried you wont like them?
Old 06-04-2007, 12:19 AM
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Originally Posted by 02NBMWS6
why are you worried you wont like them?
Thats one reason!!! and i would also like to know if there is a big difference performance wise between bolt-on and welded!!!
Old 06-04-2007, 12:25 AM
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Originally Posted by SSmoked!
Thats one reason!!! and i would also like to know if there is a big difference performance wise between bolt-on and welded!!!
what worries you about them? I see no downsides
Old 06-04-2007, 08:44 PM
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Originally Posted by 02NBMWS6
what worries you about them? I see no downsides
well, someone told me that they might radle and cause noise inside the car!! thats the one of the reasons!! and 2nd i would like to know how much stronger are welded SFC to bolt-on!! let me just say that i dont know jack about suspension stuff so please help!!!
Old 06-04-2007, 09:57 PM
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Originally Posted by SSmoked!
well, someone told me that they might radle and cause noise inside the car!! thats the one of the reasons!! and 2nd i would like to know how much stronger are welded SFC to bolt-on!! let me just say that i dont know jack about suspension stuff so please help!!!
someone is full of crap. there's nothing to be worried about. Get the weld on ones and forget about them like i have. If you want, you can the 3 points, but id say the 2 points are sufficient, like i run.


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