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Strut Tower Bar
http://4g61t.org/forum/viewtopic.php?f=6&t=888		 Page 1 of 2
Author:  Guest [ Wed Dec 31, 1969 7:00 pm ]
Post subject:  Strut Tower Bar
When I got home from work today, there was a nice big package waiting for me!

Ben K's STB was sitting there just waiting to be put on.

The bar works great! It looks awesome and is surprisingly lightweight!

For those of you who have known me for a while, you may remember that I'm not a fan of STB's. I used to own a 2G dsm and I had a STB for it. It didn't do ANYTHING at all for that car, because of the double A-arm suspension. The loads just aren't distributed the same as they are on our cars.
However, with the type of suspension that is on our cars it makes a huge difference. Definitely worth getting!.

Here are the images:
[img:2hufycu9]http://www.4g61t.com/forum/uploads/stb1.jpg[/img:2hufycu9]
[img:2hufycu9]http://www.4g61t.com/forum/uploads/stb2.jpg[/img:2hufycu9]
Author:  Gregd [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
I was a bit sceptical on things like this myself. Nothing like installing a mod and then finding out it's all hype. Now I can't wait to try one out. Does that mean you have your TRE trans back already? Greg
Author:  Guest [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
I wish!! Unfortunately, it didn't get to him in time for him to do the work before they closed for remodeling. They are re-opening on monday. I'm still using my mirage transmission. I sent him a spare DSM tranny to re-work.
Author:  jay [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
How soon will these be available?
Author:  Guest [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
added images.
Author:  souk [ Wed Dec 31, 1969 7:00 pm ]
Post subject:  ben k stb
hey where can i get one!
Author:  xlr8 [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
One thing worth checking when you fit an STB is your level of negative static camber. Since MacPherson Strut suspension has very little -ve camber induced by body roll, manufacturers sometimes rely on body flex to induce -ve camber while cornering.

By fitting an STB you make the towers far more rigid and hence less -ve camber is induced on cornering. This often makes cars 'push' or understeer more when cornering.

You can counteract the effect by dialing in a little more static -ve camber although this will loose you a little turn-in.

Considering the problems that an STB can fix (reduced torque steer anyone?) they are defn a good buy.
Author:  Guest [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
It is a good point to make about the flexing allowing more negative camber without a STB. And I considered this. But. I decided that predictable handling is a better trade-off then sporadic negative camber that's going to be affected by 10 or more variables, that completely out of the driver's control.

Plus I have 2.5 degrees of negative static camber. :-)

Also, you may lose turn in by going to more negative camber, but the bar will increase your turn in, my not allowing the chassis to flex as much.
Author:  Phlipfreq [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
where can i get those strut bars and do they have any rear bars too
Author:  xlr8 [ Wed Dec 31, 1969 7:00 pm ]
Post subject:  -ve camber
2.5' -ve camber is pretty high for street. Are you using camber correctors? When I didn't have the camber correct kits on my Excel I had -2.6' camber (after a 2" drop). The tyre wore quite severely on the insides however. Plus the turn-in was horrible (I only found out after I drove another stock Excel). I plan to run ~1.5' -ve camber and play with castor angle to dial out a little bump steer when I put it over the police pits (4G61T into '85 Excel). I dont mind a little bump steer and super tram-lining but constable plod thinks otherwise.

BTW - I will be running an STB on this car without a doubt! Torqe reaction from turbo motors on lightweight FWDs like mine need something like an STB to keep the strut towers from flexing together and inducing torque steer.
Author:  Guest [ Wed Dec 31, 1969 7:00 pm ]
Post subject:  Re: -ve camber
[quote="xlr8":oy0g3hxh]2.5' -ve camber is pretty high for street. Are you using camber correctors? When I didn't have the camber correct kits on my Excel I had -2.6' camber (after a 2" drop). The tyre wore quite severely on the insides however. Plus the turn-in was horrible (I only found out after I drove another stock Excel).
[/quote:oy0g3hxh]

I've had no problems with my -2.5' of camber. Did you put your toe back to 1/8" out? when I changed installed the camber kit, and lowered the car, my toe was so bad you could see it.
Author:  xlr8 [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
yah, I put the suspension kit I got (KMAC) on myself and then had suspension shop align the toe. I only just got the camber correctors fitted so I can dial out some of the -ve camber. Im after getting a little more precision in the steering when at centre. With -2.5' its a little vague cornering at first from the reduced turn-in. I haven't had the chance to play with different toe settings as yet. I can see how a little toe out could be advantageous - Im pretty sure its set close to zero ATM.

Mind you I also just replaced the last of the front suspension bushings with Nolathane inserts. I only had poly bushes on the sway bar previous which was still a vast improvement. The new bushings should make for an improvement again - hopefully no wheel hop.
Author:  Guest [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
[quote="xlr8":10yjfehq]
Mind you I also just replaced the last of the front suspension bushings with Nolathane inserts. I only had poly bushes on the sway bar previous which was still a vast improvement. The new bushings should make for an improvement again - hopefully no wheel hop.[/quote:10yjfehq]

Where'd you get these bushings from? And are they for the US Spec 89-92 chassis?
Author:  xlr8 [ Wed Dec 31, 1969 7:00 pm ]
Post subject:  bushings
[url=http://www.rpw.com.au:1c3scdcv]RPW[/url:1c3scdcv] made them up custom for my '85 Hyundai Excel. They buy in big rolls of Nolathane in various sizes and then cut them down on the lathe. Its a bit tricky to work poly on a lathe but that's what RPW is good for. Im sure they could do same for you. I know they do alot of work on the 89-92 Lancer (as its called here).

Actually, last time I was down there they were putting a 4G93 MIVEC motor into a ~90 Lancer (which had a NA 4G61 stock).

Alternatively you could try and find someone local who will do it.
Author:  Ben K [ Wed Dec 31, 1969 7:00 pm ]
Post subject: 
Here's the deal on the bars. We are going to do a run of them. We have the jig, all the materials, etc., however time is our issue. We are working heavily on our turbo line right now, so the strut bars have kind of been pushed aside. Realistically, it won't be until about two more weeks before we get back to making them. We will be making them, just give us a few more weeks to get them done. If you have any questions, email me at ben@agpturbo.com

Thanks.
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