Suspension upgrade - Pontiac GTO Forum
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post #1 of 12 (permalink) Old 04-14-2010, 10:10 PM Thread Starter
 
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Suspension upgrade

Hi all,
I cruise alot with my friends, and we, generally speaking, go on very windy roads. I love cruising there, its just that one drive a 350Z,one a, forgive me, Mustang with a complete track suspension, and one a Toyota Supra. currently i have the worst handling car of the group, however i would like for that to change, is there any way i could eaither become competative with them or, even better, surpass them? im tired of being at the back of the pack because i cant corner!!! thanks,
Kurt
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post #2 of 12 (permalink) Old 04-14-2010, 11:36 PM
 
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My car is going to be multicolored like the rainbow. I'm running Lovells bushings, Energysupension bushings and Prothane bushings. I have Lovells springs awaiting install. I'm a corner carver too man, thats where the fun is. I love the bends and that one of the reasons why I'm upgrading my suspension. Took it to the track and I hated how I was leaning on the door handles. I don't do to bad with friends and folks with AWD cars.
Different brands out there.
- Energy Suspension
- Pedders
- King Springs
- Lovells
- Koni
- Hotchkis
- There are others out there I can't call right now.
From what I can tell King Springs have the highest spring rates, Pedders and Lovells with the softer spring rates. I may be wrong but Pedders don't reveal their spring rates but Lovell and King does.
JHP Vehicle Enhancements - Specialise in Holden Monaro and Commodore Spoilers, Body Kits, Tyre and Wheel Packages.
Kollar Racing Products Home Page
GTO Pedders Suspension - Wretched Motorsports
Pontiac GTO Solutions - GTO Solutions Overview - Pedders Suspension

Also one of the most importaint things to handling is tires. Good tires is whats needed too.



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post #3 of 12 (permalink) Old 04-14-2010, 11:39 PM
 
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i smoke my friends who have a sti, evo, and gti , what helped me was a full energy suspension kit, eibachsprings and koni shocks. and the fact that i know my car, bfg g force sport tires help to, there way sticky
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post #4 of 12 (permalink) Old 04-14-2010, 11:40 PM
 
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(oh and just to let you know i beat them on mountain roads) its more neck and neck on just short twists.
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post #5 of 12 (permalink) Old 04-14-2010, 11:47 PM Thread Starter
 
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About tires...

i didnt purchase my car long ago, and it came with linglong tires, they're absolute garbage, i can break them in 4th if i really try. the issue with tires is that me and my parents have a deal that they cover regular maintenance, and i cover anything that i break or is performance related (for example, they cover oilchanges, i cover HID'S or blowing the clutch before they consider acceptable). I do get to pick the parts, but i have to wait for the tires to be shot fml.
also, thanks fort the info on the springs, as soon as i have the money i will be going with the kings, i would prefer coilovers but would have to save for an incredibly long time...
Thanks for the info, and if anybody has any more info it would be appreciated
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post #6 of 12 (permalink) Old 04-15-2010, 07:09 PM
 
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Full bushing kit and a harrop sport differential mount and you will have a different car. The factory bushings and mount are GARBAGE.
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post #7 of 12 (permalink) Old 04-15-2010, 07:42 PM
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Garage
Quote:
Originally Posted by GM4life View Post
My car is going to be multicolored like the rainbow. I'm running Lovells bushings, Energysupension bushings and Prothane bushings. I have Lovells springs awaiting install. I'm a corner carver too man, thats where the fun is. I love the bends and that one of the reasons why I'm upgrading my suspension. Took it to the track and I hated how I was leaning on the door handles. I don't do to bad with friends and folks with AWD cars.
Different brands out there.
- Energy Suspension
- Pedders
- King Springs
- Lovells
- Koni
- Hotchkis
- There are others out there I can't call right now.
From what I can tell King Springs have the highest spring rates, Pedders and Lovells with the softer spring rates. I may be wrong but Pedders don't reveal their spring rates but Lovell and King does.
JHP Vehicle Enhancements - Specialise in Holden Monaro and Commodore Spoilers, Body Kits, Tyre and Wheel Packages.
Kollar Racing Products Home Page
GTO Pedders Suspension - Wretched Motorsports
Pontiac GTO Solutions - GTO Solutions Overview - Pedders Suspension

Also one of the most importaint things to handling is tires. Good tires is whats needed too.
I'm pretty much the same thing. I got parts where the deals were with an eye towards making sure I was getting quality parts. Most are in my specs but i have:

Super Pro: Front RR, Rear inner and outer Control arm bushings, Shock bushings

Energy Suspension: Rear subframe bushings (street). IMHO the best

Lovells: 20mm drop Springs front and back, Strut bushings with bearings

Koni: Sport adjustable shocks and struts

Noltec: (Front) Rear radius and Control arm bushes

Pedders: Front sway end links and strut tower brace

Harrop: Rear diff cover

Hotchkis: Front and rear sway bars with their bushes

Air Lift: Mazda MPV rear air bags

Tires are of course a big part of handling and the prices of the best can get ridiculous. I picked up some Firestone Firehawk Wide Ovals which were medium priced and rated by Tire Rack better that BFG KDWs. I had the back wheels widened to 9" to accommodate 285s to keep the back end from coming out as easy. I think I put about $2,200 (Not counting tires and wheels, another $1,100) and did all the work myself so it's not a cheap thing to to it all altho I bought most of the stuff when they were on sale. It does handle nice tho

2004 Blk/Rd M6
6.3 litre LS1

Built and tuned by svede
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post #8 of 12 (permalink) Old 04-16-2010, 01:21 AM
 
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I purchased a King Spring and Monroe Sport GT shock and strut combo package from JHP in AU. Just got them installed and picked the car up this afternoon(still needs the alignment to de dialed in) but WOW what a difference over the rubbish stock set up. I never truely appreciated just how loose the stock suspension is until today. I also changed out the radius rod and strut mount bushes which were completely destroyed. The car is much firmer, feels tighter and corners indescribably better. Not to mention when you drop your foot it doesnt squat to the stops like it used too. Best upgrade I've done so far, can't wait to hit Topanga Canyon this weekend and see how it holds in the twists.
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post #9 of 12 (permalink) Old 04-16-2010, 02:22 PM
 
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Originally Posted by Gunslinger View Post
Best upgrade I've done so far, can't wait to hit Topanga Canyon this weekend and see how it holds in the twists.
Parts of Topanga and Angelas Forest was closed last weekend when we where going up. Maybe thats just on my side of the mountain.



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post #10 of 12 (permalink) Old 04-17-2010, 01:52 AM
 
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Hadnt heard about that. Topanga is having some earth day hippie fest this weekend so thats a traffic nightmare. Traffic is always rotten on the weekends around here. Night driving is the only way to really get an open road in L.A. I'm always on the lookout for a good road...
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