Bracing a ST165?

Suspension and other discussion

Bracing a ST165?

Postby JRWperformance » Tue Jan 09, 2018 12:06 am

My 88 AllTrac seems to be a bit more flexy than modern cars. It will squeek and creek when going over uneven terrain. I'm not sure if I want to cage the whole car. What is the most effective way to strengthen the chassis? I will be building a strut bar for the rear strut towers. Also, my rear seats are long gone, so the room for the rear seats can be occupied by other things. Maybe a simple roll hoop linked to the rear strut towers? This car will remain primarily a street car.
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88 Celica Alltrac
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Re: Bracing a ST165?

Postby underscore » Tue Jan 09, 2018 12:18 am

Is it squeaking from suspension parts moving or from the actual chassis flexing? From my understanding the STxx5's are supposed to be quite stiff out of the box, which is part of why they're so heavy.
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Re: Bracing a ST165?

Postby JRWperformance » Tue Jan 09, 2018 12:24 am

Suspension is good. It's been completely redone. I just wanted to see what other people have done.
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Re: Bracing a ST165?

Postby GT4_DRED » Tue Jan 09, 2018 4:26 pm

In my experience, most of the squeeking has been from interior panels and using felt strips has helped. As for the creeking, mines were mostly due to bushings (poly and rubber) and the oem body kit/mounts wearing/moving about over 25+ years. As for the flexing, a rear strut bar will help and also a front bar to triangulate the towers to the firewall. A roll-bar would def. tighten it up as well and I would also tie the strut towers together using the same tubing. Im also considering fabricating a bar to tie the front of the lower control arms together or back to the chassis leg. HTH
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Re: Bracing a ST165?

Postby JRWperformance » Thu Jan 11, 2018 11:46 pm

Cool. Thanks for the responses. I think I will be doing a simple roll bar behind the seats...now to find a simple tube bender.
88 Celica Alltrac
78 Honda GL1000
04 Volvo S60R (Now Dead)
91 VW Jetta Turbo Diesel
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