Questions concerning suspension. - Team Camaro Tech
Brakes, Suspension & Steering Conversion questions, Steering & Handling

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post #1 of 6 (permalink) Old May 5th, 17, 07:10 PM Thread Starter
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Mike
 
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Questions concerning suspension.

Concerning suspension, I read David Pozzi's (pozziracing) info and other's as well,still not sure what I should do. It seems like most of them use polly bushings, lowering springs, larger sway bars, etc. All the up grades I look at use polly, I want a nice ride that handles really really well, but still looks pretty much like stock. I used Moog rubber bushings in the stock control arms, as I didn't want to feel every little bump in the road (getting old).

I don't know if I should upgrade the upper control arm shafts or just use stock. The upgrade gives 3 degrees more castor, I don't know much about it. I would not mind upgrading, some to get better handling if I can get rubber bushings.

Any advice will be greatly appreciated. Thanks in advance.
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post #2 of 6 (permalink) Old May 5th, 17, 07:43 PM
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Don
 
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Re: Questions concerning suspension.

Far from an expert but I don't see how a cross shaft can add caster unless it is somehow offsetting one mounting point more than the other. It can add negative camber but I'm not seeing caster.

Control arm bushings are not a key suspension element for determining ride harshness. Your springs and shock absorbers are. I've run Delrin and metal bushings with no ride harshness.

Poly bushings squeak and bind. Delrin is better.

If you want improved handling with stock appearance check out the Ridetech Street Grip package along with a 600 steering box.

Don

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post #3 of 6 (permalink) Old May 6th, 17, 04:00 PM
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Re: Questions concerning suspension.

X2 what Don said about upper shaft and caster with clarification. Some aftermarket shafts are offset. Originally designed to correct a sagging frame to allow the camber to be set to an increased positive number. That said if you add shims to one bolt to decrease camber you can add postive caster at the same time.

I bought poly bushings for my car and have not installed them yet. I'm having thoughts about running them "loose" somehow. My concern in doing so with the stock shafts is that 3/8 bolt at the end. Aftermarket shafts usually have a nut on them which I think would be a better method of retaining the bushings if you are running anything except factory style rubber bushings.

Jeff
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post #4 of 6 (permalink) Old May 6th, 17, 06:50 PM
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Mike
 
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Re: Questions concerning suspension.

Hello Mike,
I was in the same boat as you a couple of years ago when I decided to rebuild my front end. I own a 74 Nova, but our front suspensions are very similar. I also wanted to keep my ride height stock, but improve overall handling. When I first started, I did not understand anything about caster, camber, and toe-in... and how they affect a vehicle's handling. I also knew nothing about delrin bushings. I did a lot of research before starting, and read most (if not all) of David Pozzi's information on front suspension upgrades and handling. I was amazed with the amount of detailed information David provided.

I read enough post to stay away from poly control arm bushings. I have never used them and have nothing against them... but I took the recommendations of many TC members and went with delrin bushings. I installed the Del-a-lums into my stock lower control arms, and I went with the Global West tubular upper control arms (with delrin) for the caster gains. I also installed Proforged 1/2" taller upper ball joints for some camber gains, and used their taller tie rod ends to help with bump steer. New lower ball joints installed too. I installed a larger front sway bar and kept my stock front springs and used regular KYB Excel-G gas filled front shocks. The other item I upgraded was installing a close ratio power steering box. Good front tires will help too. I learned how to proceed with all of these upgrades by reading many forums... but mostly Team Camaro's. I even did my own front end alignment in my garage from the information I learned in this forum.

While I am far from Pro Touring, I think my car handles great. There is not one squeak while bouncing the front end and the ride is not harsh at all. I am very happy with the results of these upgrades.

Hope this helps.
Mike
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post #5 of 6 (permalink) Old May 7th, 17, 08:13 AM
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Re: Questions concerning suspension.

I used the MOOG offset upper control arm shafts and PST's polygraphite (black) bushings... 7 years and no squeaks (I did lube the hell out of them before installing) .

I'm happy with the results.
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post #6 of 6 (permalink) Old May 7th, 17, 03:57 PM Thread Starter
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Mike
 
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Re: Questions concerning suspension.

Thanks Guys, appreciate the advice. I will check out the Ridetech Street Grip package and the delrin bushings.
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