Anyone have a vert pushing significant boosted HP levels, say around 400-500HP? Do you get any noticeable chassis flex? If so what did you do to eliminate it? Custom cage?

 

I know the 'verts are very stiff, just heavy. I know some people pushing 250-300WHP, and they've never said anything about chassis flex (and they autocross it as well), so... I wouldn't worry too much about it.

-=Russ=-

 

The reason I ask is cause I was told by someone with a 20b vert that when the boost kicks in they can feel the chassis flex and that a full cage will prevent that. I plan on pushing around 4-500 hp so I may experience some flex as well.

 

I would expect anyone pushing more than 350hp to have some flex on a vert if the top was down no matter what.

 

427 hp. from a 20B with 478 lb./ft. of torque. No observable chassis flex. The other poster who claimed chassis flex may have been experiencing driveline flex. Without a torque brace, my driveline would twist so much that it would break the differential mount and cause the differential to smack the underside of the car. A torque brace solved the problem.

Opinion: If you're getting high horsepower from a two-rotor, the torque won't be high enough to be a problem.

 

well there you go... proven wrong again

 

WOW, 478tq? That's friggen amazing!

 

Yeah its gonna be two rotor for now, I figured I wouldn't have enough torque to cause a problem. Once my 13b blows up I'll be going 3 rotor though.

Very nice torque numbers by the way.

 

NONONO, you were just letting someone ELSE be right this time... on PURPOSE!!! Totally.

 

nice..

 

In the interest of accuracy, it's 425 at the rear wheels. Allowing for a 15% driveline loss, that's 478 at the flywheel. It really makes a convertible a lot of fun.