i am in the process of collecting parts for my sas.
all i need know are some springs for the coil overs.
now my question is
i have been told that i have to run a bar over the engine like a roll bar to connect the top of the coil over mounts together to keep the frame from twisting under load?
i have been doing lots of reasearch and have not seen this yet.
should i or shouldnt i
thank you

 

in a perfect world, they would be tied together yes. it adds to their rigidity. however, its pretty difficult to get a straightt bar located above the motor unless the top of your CO's are going to be waay up there (think up to the hoodline) to give you lots of travel without being sky high. you'll see them alot on tuner cars...also known as strut tower braces...front and rear.

what kinda CO's are you running? dont most have springs that come with? or are you putting a set together yourself?

 

i purchase the f-o-a coil overs.
i could have bought them with springs but chose not to at that time.

 

These are very helpful in strength, rigidity, and sometimes longevity (depending on how well the rest of the shock hoop work is braced and welded). However, sometimes they are just time, cost, or clearance prohibited. Most of the coilover jobs we perform in the shop have a "crossover". Some don't. We sell coilover kits to customers with tubular shock hoops, the crossover is an option that many don't purchase. In a Toyota it can be difficult to build and clear at all times.

If you can make one, do it. If you don't build one, make sure you have very good gussetting and plating on the frame (you should either way). Good luck with the project!