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Old 05-11-2012, 01:03 PM
BigMac76 BigMac76 is offline
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Default Suspension Upgrades on my DD 99 Z28

Ok guys, looking to get some input on some suspension upgrades. Going to be adding some lca's and possibly a panhard to eliminate any possible side shifting in the rear. It'll be on my daily driver 99 Z28. I want to get rid of the stamped steel componets and upgrade to either a steel boxed or tubular design for the lca's. Any suggestions or comments here? Thinking I might go with the boxed style Lakewoods. Need some suggestions here on what vendor and style, tubular vs boxed and what you guys are running. Any issues with the non-adjustables as far as length, pinion angle change due to length variations, etc?

Thanks!
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Old 05-12-2012, 06:00 AM
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I finally added a PHB, to my setup, already had SFC, LCA, and was thinking of adding tunnel brace, but decided against it. but it's much better now.

I really felt the difference on my first ride.
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Old 05-16-2012, 01:19 PM
BigMac76 BigMac76 is offline
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Had the full kit from southside machine on the iroc back in the day with the sfc's and a 4 link kit that made a HUGE difference. Probably just going to go with the lca's for now and maybe the panhard later on down the road if lateral shift begins to seem like an issue.
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Old 05-17-2012, 02:27 AM
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stock height? biggest help will be a set of both LCA's and Panhard. as well as either a sway bar upgrade or get rid of the stock shocks or both. and as far as LCA's go, get some BMR or UMI tubular ADJUSTABLE! haha you may not need them now. But if you ever plan to upgrade that 10 bolt your going to need them. and if you didnt buy them now. you will later. Do It Once!
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Old 05-17-2012, 10:44 PM
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i got some spohn sways for sale!
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Old 05-18-2012, 01:11 PM
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^^ Great Upgrade over the stock pieces!!! will make a huge difference in handling.
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Old 05-18-2012, 04:55 PM
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You can throw a ton of parts at your car. Everything has its pros and cons. I'd try to figure out what your goal is first before buying a bunch of stuff.

The stock stamped LCA's aren't a bad thing by any means. In my car I let the springs, shocks, and swaybars handle all the suspension control and let the LCA's just worry about holding the suspension in place. With stock suspension and boxing up the control arms, your control arms start to act like a swaybar.
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Old 05-25-2012, 11:24 PM
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1- 2 point tubular subframe connectors welded in

2- tubular LCA and Panhard bar - fully adjustable, poly

3- sway bar kit if needed.

I like BMR products
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Old 05-26-2012, 12:08 AM
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Ahhh forgot the sub frames! made a HUGE improvement in my car!
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Old 05-26-2012, 02:44 AM
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Thanks, Don.

Yeah, sfc's made a huge difference in my 86 Iroc. Bought the southside machine kit a long time ago with the 4 link setup. It took a long time to get it all in there and mounted but when it was, man that car handled like a friggin dream!
Sfc's are pretty much a must have with these t-top cars. Too much flex even with the hardtop and it amplifies like 10x with the t-tops.
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