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Thread: 2 or 3 point SFC?
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12-04-2008, 06:02 PM #1
2 or 3 point SFC?
My car will be mostly a bolt on car and Im looking into some UMI SFC's. Im looking into to getting bolt ins then maybe weld them in down the road. My question is should i get the 2 or point ones. Is there much of a difference between the two? Im trying to upgrade things on my car since im on a smaller budget but if the 3 points make a huge difference I am willing to save up for that.
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12-04-2008, 08:19 PM #2
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Red- 2002 Trans Am WS6 (M6)
This doesn't answer your question but I went with the 3 point SFC's just because it seemed like they'd add a little more stability. The 3's will add more weight than the 2's if that's an issue.
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12-05-2008, 05:16 AM #3
this might help
http://www.ls1.com/forums/showthread.php?t=101957
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12-05-2008, 05:39 AM #4
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blacker than wesleysnipes- 98' trans am
3 point..but this depends on your needs for the car? if you run auto X etc...make sure that 3 points are allowed in your class etc
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12-05-2008, 05:53 AM #5
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Red- 1998 Camaro SS
2pts are okay, but 3pts are better. I personally would only install 3 pts, due to they give support for front to back and side to side loads. Where 2 pts really just give front to back support.
1998 Camaro SS Hard Coupe Bright Red #1593
Mods: Lots!!, still my daily driver except for winter
383rwhp 370rwft/lbs
1979 Corvette
Mods Lots!!, weekend cruiser
325rwhp and 320rwft/lbs
2007 Dodge Ram 1500 4x4 (Yes its got a HEMI)
Mods: Catback, BFI CAI, Winter daily driver
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12-05-2008, 07:47 AM #6
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White- 2001 Z28
3's are definitely more rigid, 2's cost less. Like anything it depends on your priority...
Sam Strano
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SCCA ProSolo Class Champion (x5)
2009 SCCA ProSolo Overall Champion
Owner--Strano Performance Parts
814-849-3450
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12-05-2008, 10:41 AM #7
I dont auto x but I do take corners pretty fast and I like a very rigid car. I want to go bolt in. I just dont want any body flex or any more damage to rear quarter panel, etc. Is it a lot of weight like something I would notice a difference in? I dont take it to the track that much and its mostly a DD but the 3 points arent that much more and look like they provide a lot more stability/less flex
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12-05-2008, 12:00 PM #8
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White- 2001 Z28
Ok, let me say here and now it's a myth that SFC's do anything to stop any rippling of the quarter panel. They don't attach anywhere near that area, and we have had cars dimple them after SFC's were installed. That is caused by wheelhop, nothing the SFC's do anything about. And if you don't believe me, watch a car with severe wheelhop closely sometime (in video is even better), you can watch the quarter flex an immense amount.
Drag racing is much harder on chassis in terms of twisting than cornering is. The car will not fall apart without connectors (I don't have any an I pull way more G's far more often than anyone else here). They've not been legal for me to run in my class until now. I will add them now that I can. I'm also likely going 2-pt tubular for the minimum weight gain since I know the car isn't going to break in half anyway...
Bottom line if your reason for SFC's is to maximize the rigidity, you go 3-pt. If you want it better, 2-pts are certainly better than nothing, and cheaper, and lighter. What's your preference?
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12-05-2008, 12:16 PM #9
ok so how much lighter is the 2pt compared to the 3pt??? every one is talking like the 3pt is about 100lbs heavier.
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12-05-2008, 12:23 PM #10
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White- 2001 Z28
Gotta love the internet...
2-pts run about 28-30 depending on material
3-pts run about 50-54 depending on material
That's total for a pair. 26 pounds is the biggest difference between a Chrome-Moly 2pt, and a mild steel 3pt. Far, FAR, *FAR* from 100 pounds heavier. A pair of 3pts don't even weigh 100 pounds (or close to it), it'd be impossible for them to add 100 pounds over some other connector.
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12-05-2008, 12:27 PM #11
Well for a mostly street car I guess the 2 point will suffice my needs
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12-05-2008, 12:41 PM #12
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White- 2001 Z28
If it helps, here's my page that has SFC's listed, with pics.
http://www.stranoparts.com/searchbym...D=22&ModelID=7
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12-05-2008, 12:55 PM #13
Yes I have been on your site and once I purchase my ford 9" and I get my car out Im lookin at that Chassis stiffening package #2. God I cant wait for winter to end. First winter with the TA and its terrible to just let her sit in the cold.
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12-05-2008, 01:05 PM #14
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White- 2001 Z28
Gotta love winter (as I watch is snow out my window in the dark @ 5:05 pm...)
*sigh*
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12-05-2008, 03:07 PM #15
Its not snowing right now but its cold as hell. But i wouldnt be drivin the TA even if it was nice because of the broken diff. lol fail
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12-06-2008, 10:45 AM #16
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12-06-2008, 12:01 PM #17
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12-06-2008, 01:10 PM #18
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12-08-2008, 01:55 PM #19
- Join Date
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White- 2001 Z28
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12-08-2008, 07:50 PM #20
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