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4 link suspension

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Old Feb 5, 2010 | 05:18 PM
  #1  
84 fbird45's Avatar
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From: syracuse n.y
Car: 84 firebird
Engine: 350
Transmission: th 350
4 link suspension

I am bouncing back and forth between investing in a performance torque arm or a four link suspension.If I understand it correctly if you go with a fourlink you can eliminate the torque arm.this would be fine for me as the car will have a small block(approx 400hp) and th350 tranny.Would I also have to go to a coil over suspension? If parts need to be welded that would not be a problem. Any info would be great.
Thanks
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Old Feb 5, 2010 | 07:02 PM
  #2  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: 4 link suspension

Originally Posted by 84 fbird45
I am bouncing back and forth between investing in a performance torque arm or a four link suspension.If I understand it correctly if you go with a fourlink you can eliminate the torque arm.this would be fine for me as the car will have a small block(approx 400hp) and th350 tranny.Would I also have to go to a coil over suspension? If parts need to be welded that would not be a problem. Any info would be great.
Thanks
you need to do some more reading. To do a 4 link in the car, you have to back half the car, install a full cage, ect. thats a lot of money, usually over 10k if done by a shop, and total overkill for your setup.

torque arm cars are running in the 8's and faster in the 1/4. I would stick with a torque arm setup for now.
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Old Feb 5, 2010 | 07:47 PM
  #3  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: 4 link suspension

You can fabricate some sort of short arm 4-link system without back halving the car but it's still a lot of money to do the conversion. A short arm 4-link isn't a good performance suspension because of the restricted amount of travel.

To do a 4-link properly, the car should be back halved which means spending at least $10k to have it done properly.
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Old Feb 5, 2010 | 09:11 PM
  #4  
84 fbird45's Avatar
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Joined: Aug 2008
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From: syracuse n.y
Car: 84 firebird
Engine: 350
Transmission: th 350
Re: 4 link suspension

thanks for the advice. for a street car thats not worth it.
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Old Mar 19, 2010 | 02:50 AM
  #5  
RyanZ's Avatar
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Joined: Jan 2008
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Car: 1986 Camaro
Engine: 355
Transmission: 700r4
Axle/Gears: 4.55
Re: 4 link suspension

im actually going to be trying a 4 link set up myself here when i get some more time. im planning on using a 12 bolt out of a 70's chevelle. i made myself some lower control arms and im working on making the uppers at school now too. im using the same length that the chevelle used but i cant have a back seat cuz i have to cut the sheet metal out for my top mount.
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