Anyone using the Global West Cat 5 System? - Team Camaro Tech
Brakes, Suspension & Steering Conversion questions, Steering & Handling

 
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post #1 of 12 (permalink) Old Mar 2nd, 02, 07:29 AM Thread Starter
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The Global West System is supposed to give the same handling and ride qualities of a C4 Corvette setup without having to swap out the front subframe (which I'd rather not do). And at $3,995 including 12x1.25" front discs, 4 piston Wilwood calipers and their upper control arms, it's pretty reasonably priced if it does what's claimed.

Is anyone here running the GW CAT5? What are your opnions?

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post #2 of 12 (permalink) Old Mar 3rd, 02, 06:17 AM
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I haven't but I was reading about it the other night. I thought about buying it also.
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post #3 of 12 (permalink) Old Mar 4th, 02, 02:54 AM
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Check out the Vette Brakes Camaro Maximum Performance System. I had this kit installed in my '72's stock subframe. It required a few small mods: the openings on the lower sides of crossmember had to be notched (very small cuts) and a few holes had to be drilled in order to mount the brackets for the lower control arms and transverse leaf spring. Once installed, I believe this kit converts the Camaro's front suspension to be nearly identical to the C4 Vette's. Haven't driven the car yet, as it is still under restoration, but I'll definitely post my pics of the suspension and my opinion of the ride quality and handling. I read an article a while back in either Chevy High Performance or Super Chevy that claimed that their '71 Camaro equipped with the same kit and some pretty huge tires (17x10 275 front, 17x11 315 back)scored a .98 lateral g on the skidpad. That's up there for a 30 year old car, wouldn't you say? Also, as far as cost goes, the kit goes for about $1500, throw on another $370 for the matching upper A-arms, and about another $700 for front brakes that basically give you Camaro mountable Corvette brakes (the rotors that come with the kit are upgradable to slotted, cross-drilled). So far the cost is below the Global West kit, but I don't know how the quality/handling compares. Check 'em out though, I've heard nothing but good things about this stuff, and I can't wait to drive mine!

[This message has been edited by Igot2'72's (edited 03-04-2002).]

[This message has been edited by Igot2'72's (edited 03-04-2002).]
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post #4 of 12 (permalink) Old Mar 4th, 02, 08:23 AM Thread Starter
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I have lots of VB stuff on my 75 Corvette and love it. However, the kit you are talking about is not available for the first gen F-body.

Anybody know anything about the GW CAT 5 system? I can't find anybody running it.

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post #5 of 12 (permalink) Old Mar 4th, 02, 10:15 AM
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I just received the last pieces of the system a week ago, I ordered it at the end of november, and installed it yesterday. The car won't be done anytime soon, so I can't say anything about it except it looks real nice.
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post #6 of 12 (permalink) Old Mar 4th, 02, 04:10 PM Thread Starter
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fscope:
What kind of modifications are required to the frame? Do you have to move/alter the upper a-arm mounts like the Gulstrand mod or like with the DSE arms?

What all comes with the kit besides the a-arms, spindles, brakes & steering?

Thanks for the reply.

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post #7 of 12 (permalink) Old Mar 5th, 02, 03:46 AM
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You don't need to modify the frame at all, it is completely bolt on. The kit replaces everything in the steering, suspension and brakes, except the lower control arms, idler arm, steering box and pitman arm, and sway bar (which I bought from them also). the upper a-arms come assembled with ball joints, bushings, and the cross shaft. The spindles come with the aluminum hubs, 1/2 inch wheel studs, two piece curverd vane rotors with the bolts safety wired, wilwood superlite calipers and brake pads all assembled as one unit. they give you the lower ball joints and bushings that need to be pressed onto your original lower a-arms. They also give you a master cylinder and stainless braided flex hoses, tie rods, and a modified centerlink. When you order the system they ask about your car and how you plan to use it so that they can pick out what they feel would be the best springs for you, which are also included. They threw in a set of 1 inch rubber spacers in case my car sits to low. I am very happy with the quality, I just hope it performs at least close to how they claim it does. They also offer a package for the rear suspension, but I don't know too much about it because I'm using a corvette irs.
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post #8 of 12 (permalink) Old Mar 5th, 02, 05:29 AM
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The kit looks pretty good, just adds up to quite a bit of money for the whole thing.
David

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post #9 of 12 (permalink) Old Mar 5th, 02, 05:39 PM Thread Starter
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fscope: I look forward to hearing your coments on the CAT5 system once you get it on the road. By the way, are you gonna use the C4 vette rear suspension? How are you making that work?

Mr. Pozzi: Yeah, the GW CAT5 system is a little more expensive than a upper a-arm seetup or the gulstrand mod, but GW claims: "Proper negative camber gain for this particular car requires a taller spindle. The stock spindle is too
short even with dropping the upper control arm pivot 1-inch. Negative camber gain is still not generated, contrary to popular belief." Straight from GW's website discussing their negative roll system.
What's your opinion on this claim and the CAT5 system?


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post #10 of 12 (permalink) Old Mar 6th, 02, 03:23 AM
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I'm certainly no expert on suspensions. My car has the Guldstrand mod, and when my car had no front spring in, I put a wheel on, and put a jack under the lower control arm, when jacking up the control arm I could visibly see the wheel producing negative camber. I think there are graphs on David's web site that shows the Guldstrand mod does produce negative camber.

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[This message has been edited by MarkM (edited 03-06-2002).]
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post #11 of 12 (permalink) Old Mar 6th, 02, 02:22 PM
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I've seen this kit too, and all of the research I have seen suggests that it is probably an improvement over the Gulstrand mod, but man, it's not cheap! I chose to go with their upper control arms, and lower themper the Gulstrand method. The arms are really nice, and they adjust for caster as well, which is really nice. Haven't driven the car yet, so my info here is useless, sorry.

One thing I have heard about the brakes is that Wilwoods tend to be noisy, rattling, etc. I had a "pro street" kit on a 72 Chevelle a couple years back, and I did not experience this, but have heard this complaint from several sources. In addition, Wilwood just came out with some newer kits that clearly state improvements that reduce the noise issues, so there must be something to it.

I think that if I was thinking about dropping that much money, I would probably consider an aftermarket front subframe, with rack, etc. $4k is alot of money, but then again, I'll have spent about $2500 on mine with brakes, so maybe it isn't too outrageous. I guess it comes down to "how well do you want it to work?" I am confident the the Gulstrand/control arm package will be all I need for aggressive street fun.

Mark

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post #12 of 12 (permalink) Old Mar 6th, 02, 03:24 PM
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I hope I don't have problems with the brakes being noisy and rattling, but to clarify the calipers are the superlite series not the dynalite, which are the smaller, cheaper version that they use on the pro street kits. I've heard the pro street kits were under powered, probably more due to rotor size than caliper design, but I don't think I would have bought the system if it came with the smaller calipers. The brakes were a major selling point in my decision.
I looked at what i would have spent for brakes and replacement suspension parts and wasn't that far off that I couldn't justify spending the extra money on a complete system that is suposed to work together and is tested and proven to work well(suposedly).
as soon as I get a chance i'll measure the difference in spindle height and post it here. I'll also post some pics if I have the time to figure out how.
As for the rear, I have installed a dana 36 irs out of a 84-87 vette because i got a good price on it. If I post pics of the front suspension, I'll post some of the rear also.
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