1st gen rear Suspension
#1
Senior Member
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1st gen rear Suspension
Hey guys just wondring what some of you guys racing 1st gens have done to the poor stock setup. My plans were to run heim joints on the lower links, watts link and new stock upper links.
#2
GET OFF MY LAWN
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I don't normally say 'search' but this has been beaten to death. You're on the right track with your thinking but in general:
Lose the watts link, run a panhard about 6" off the ground
Heim joints on lowers, make the uppers as useless as possible because the ideal set up is a Tri-Link from G-force Engineering to replace them.
If you have to deal with rules, be sure what you are doing is allowed.
Lose the watts link, run a panhard about 6" off the ground
Heim joints on lowers, make the uppers as useless as possible because the ideal set up is a Tri-Link from G-force Engineering to replace them.
If you have to deal with rules, be sure what you are doing is allowed.
#3
Senior Member
Thread Starter
Thanks for your reply i searched found few good threads just wanted to see if the direction i was going sounded good.
This thread had a lot of good info
https://www.rx7club.com/showthread.p...=fb+rear+setup
This thread had a lot of good info
https://www.rx7club.com/showthread.p...=fb+rear+setup
#6
Senior Member
Thread Starter
The car has a ford 8.8 soild axle with a 3 link. The cars built for ST-1, but last season I was busy running drifting events and working. So I mostly just worked out alot of the bugs on the small track at Englishtown NJ. Motor is a buick 3.8 V6 has a 64mm turbo with a G-Force dogbox behind it. Solid axle was just to try somthing new see how it worked, But I ended up really liking the feel of the car more so then with the IRS. Also I dont break anymore rear parts.....
Sorry for the crapy cell phone pictures
The picture in my AVT is my old FC with a turbo 350 chevy SB on alcohol
Sorry for the crapy cell phone pictures
The picture in my AVT is my old FC with a turbo 350 chevy SB on alcohol
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#8
Well, DAMN!
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How about a Lotus Link? Don't know exactly how much power you're running but this type of link definitely lowers your roll center substantially....It very much like a four-bar design except that the triangulated point at the differential is mounted underneath the diff instead of on top.
Check:
http://www.carbibles.com/suspension_bible.html
~M
Check:
http://www.carbibles.com/suspension_bible.html
~M
#10
Well, DAMN!
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Yeah, definitely not thinking of using stock upper links. My thoughts were if he were to build a suspension from scratch. His upper link pick-up points both on the body of the car and on the axle will change completely. The roll-steer you speak of would not come into play so long as your apex point under the diff is in fact, one point & not multiple points like in the triangulated diagram in the link i placed in a previous thread.
Just to add, its a lot lighter than a panhard bar set-up. Designing this setup with multiple pickup points will also someone to taylor their anti-squat/dive tendencies.
Just to add, its a lot lighter than a panhard bar set-up. Designing this setup with multiple pickup points will also someone to taylor their anti-squat/dive tendencies.
#11
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Thread Starter
Im not a huge fan of lotus link setup on non-tube frame car.
That being said I really like the feel of my 3 link in the fc. Setup with lower links level and upper about 8 deg down.
How low do you guys have you panhard bars set? It's about 3/4" lower then axle tube on my FC.
#12
Mr. September FB 2011
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Yes its a 3800 SII block ported head larger valves ect..
Im not a huge fan of lotus link setup on non-tube frame car.
That being said I really like the feel of my 3 link in the fc. Setup with lower links level and upper about 8 deg down.
How low do you guys have you panhard bars set? It's about 3/4" lower then axle tube on my FC.
Im not a huge fan of lotus link setup on non-tube frame car.
That being said I really like the feel of my 3 link in the fc. Setup with lower links level and upper about 8 deg down.
How low do you guys have you panhard bars set? It's about 3/4" lower then axle tube on my FC.
I have a 3 link in my FB. In my thread you can see one of the 1 1/8" aluminum links I used. My panhard bar is 43" long (42"-44" adj) and "essentially" goes from shock bolt to shock bolt.
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