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02-13-2007, 11:24 PM
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#1
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Stalker
Join Date: Aug 2004
Posts: 12,080
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Subframe Connector Install done
and might i say, that was so easy to do. And they fit perfect. Several months ago I bought the bolt-in UMI 3 point tubular subframe connectors. I figure with the engine going back in, i might as well strengthen up the chassis, somethign ive wanted to do sinc ei bought the car in '01. Anyhow, today i finally got around to it. I got the car up in the air, 2 jackstands under the rear axle, and the front wheels up on stacks of wood, all so that the car would be resting on the suspension. I then just removed the Chassis TQ arm mount bolts, held the subframe up and slide it in place. I started all the bolts by hand then moved the the LCA bolt. i used a large rachet strap between the chassis and rear axle to prevent the rear from moving back when the front LCA bolt was removed. It worked perfectly. I got that side done and repeated it on the other which went even faster. I honestly dont know why i didnt buy these years ago. They didnt cost me any more ground clearence and they are tucked up right to the body AND they fit with my Spohn chassis mount TQ arm perfectly.
so, if you are thinking about doing these, i say YES. lol.
Last edited by V; 02-13-2007 at 11:34 PM.
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02-13-2007, 11:32 PM
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#2
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NJFBOA Supporting Sponsor
Join Date: Jan 2006
Posts: 2,372
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hows the quality on the sfc's ive been thinking bout grabbing the 3pt but dont know if they will make a difference vs. 2 pt tubulars
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www.JerseyDevilDetails.com
2002 Trans am ws6.. black on black bolt ons with a JS built trans, 3200 stall,TTM's w/315's, full umi adj rear suspension, strano springs/sways, and koni 4/4's
2015 Forester XT touring... STI Sway bars
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02-14-2007, 10:20 AM
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#3
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BadMod
Join Date: Aug 2004
Location: hamilton, nj
Posts: 8,889
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i run 2 point weld ins, hopefully they will have someting with 6 points tieing them together this season
__________________
So much stupid, so little time.
Quote:
Originally Posted by 79CamaroDiva
It started before I drove your car. I just have to look at it the wrong way and your car poops parts.
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Mercerville MotorSports, LLC
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02-14-2007, 08:36 PM
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#4
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Join Date: Feb 2007
Location: Williamstown
Posts: 355
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did anyone notice a real difference with sfc?
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02-14-2007, 08:55 PM
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#5
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NJFBOA Co-Founder
Join Date: Jul 2004
Location: All up in your kool aid!
Posts: 12,235
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they make a huge difference. they will eliminate a lot of the traditional f-body rattles, car will ride better, and corner better.
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02-14-2007, 08:57 PM
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#6
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by Z28Justin
did anyone notice a real difference with sfc?
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Beam stiffness of the chassis is greatly increased. Yes, you will notice.
Last edited by WildBillyT; 02-14-2007 at 08:57 PM.
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02-14-2007, 09:10 PM
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#7
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Stalker
Join Date: Aug 2004
Posts: 12,080
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Quote:
Originally Posted by Z28Justin
did anyone notice a real difference with sfc?
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like they already said, a big difference will be seen... as fo my first hand experience, i havent driven my car with them yet, so i cant say, but i am expecting a change for the better... but also to be honest, im not sure if ill remember what the car rode like before them sinc ei didnt drive the car in 1.5 years.
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02-14-2007, 09:10 PM
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#8
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NJFBOA Supporting Sponsor
Join Date: Jan 2006
Posts: 2,372
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yea but what about a difference between 2pt and 3pt has anyone tried both yet?
__________________
www.JerseyDevilDetails.com
2002 Trans am ws6.. black on black bolt ons with a JS built trans, 3200 stall,TTM's w/315's, full umi adj rear suspension, strano springs/sways, and koni 4/4's
2015 Forester XT touring... STI Sway bars
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02-14-2007, 09:11 PM
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#9
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Stalker
Join Date: Aug 2004
Posts: 12,080
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since i have the chassis mounted tq arm, now it ties my whole chassis into that center mounting point as well which i think is a benefit
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02-14-2007, 09:12 PM
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#10
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BadMod
Join Date: Aug 2004
Location: hamilton, nj
Posts: 8,889
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not to mention its one BIG jack point
__________________
So much stupid, so little time.
Quote:
Originally Posted by 79CamaroDiva
It started before I drove your car. I just have to look at it the wrong way and your car poops parts.
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Mercerville MotorSports, LLC
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02-14-2007, 09:23 PM
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#11
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Banned Camp Director Emeritus
Join Date: Aug 2004
Location: Somerset County
Posts: 8,395
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Quote:
Originally Posted by cbrrmike
not to mention its one BIG jack point
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very good point 
now you can jack up an entire side of your car without worrying about it folding in half 
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Quote:
Originally Posted by baddest434
and 1 more smart ass answer by you and i'm going to reach into this monitor and grab you by the throat
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02-14-2007, 09:25 PM
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#12
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Stalker
Join Date: Aug 2004
Posts: 12,080
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heres a quick picture.....
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02-14-2007, 09:30 PM
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#13
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,165
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Man, I wish they had that 'back in the day'. You could feel my 82 Trans Am twist. Looks good.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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02-14-2007, 09:34 PM
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#14
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by Rich189
yea but what about a difference between 2pt and 3pt has anyone tried both yet?
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Somebody feel free to correct me if I'm wrong:
The two point (tubular or boxed) style that don't attach in the center primarily increase the beam stiffness of the chassis with a secondary benefit being a slight increase in torsional stiffness.
Three point (diamond style) increase beam stiffness just like the 2 points but they offer a lot more in terms of torsional stiffness, making them more effective when the chassis tries to twist. However, they can get in the way of underbody components in some cases.
Last edited by WildBillyT; 02-14-2007 at 09:35 PM.
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02-14-2007, 09:47 PM
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#15
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Stalker
Join Date: Aug 2004
Posts: 12,080
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afaik, the 3 point ones dont interfere with anything underneath. In the pic i just posted, that double cross bar in the center is my TQ arm mount. With just 3 point subframes, that piece isnt there(stock is a sheet metal brace), so the exhaust, driveshaft, and stock TQ arm arent affected. The 3 points are only under the floorpans.
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02-16-2007, 11:45 AM
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#16
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Banned
Join Date: May 2006
Posts: 175
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i had mine welded in and man i noticed the differents as soon as i took it out of my shopno more rattles
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03-24-2007, 06:17 PM
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#17
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Join Date: Feb 2007
Location: Wrightstown, NJ
Posts: 491
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This is also a great idea for those that have T-tops as your frames are slightly weaker than the hardtop cars.
I have BMR 2 point weld ins in my Z, and I just ordered a set from UMI for my Formula. Anyone know of a good cheep place that can weld them in?
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95 Z28 M6, 383, D1SC, FMIC, ect., ect., 614 RWHP with the stock PCM and pump gas!
98 Formula WS6 M6
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