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-   -   Im starting to think my front subframe is bent. (https://www.miataturbo.net/suspension-brakes-drivetrain-49/im-starting-think-my-front-subframe-bent-95325/)

samwu8k 12-02-2017 12:12 PM

Im starting to think my front subframe is bent.
 
I am considering replacing the front sub-frame but im not sure if i want to fool around with this car anymore.

I have a lot of caster (7*) on the front right with the cam bolts centered and the rear right sits a bit lower. Ive already changed all the front and rear control arms + a rear sub-frame trying to track this issue down. I noticed the front sub-frame looked a bit bent on the suspect side where the upper control arm bolt went through it. Looks like the upper control arm got pushed towards the rear of the car at some point. The long bolt came out pretty easily and it looked straight when i put it against a straight edge.

Im curious if anyone thinks a new sub-frame might fix my ride height and what i think is excessive caster

curly 12-02-2017 02:05 PM

What do you consider excessive camber?

samwu8k 12-02-2017 02:43 PM


Originally Posted by curly (Post 1454774)
What do you consider excessive camber?

I havent even really looked at the camber values since the car sits unevenly and the rear right is getting toed in so much its chewing up my upper control arm bushings when i get the toe right. In the rear, i have to turn the leading cam bolt in (Clockwise) all the way, and the trailing bolt all the way outwards (counter clockwise) to get the toe right with the front.

My issue is with the 7 degrees of caster on the front right with the bolts in the 12 oclock position and the ride height in the rear.

The left side of the car aligns nicely with the bolts very close to the center.

curly 12-02-2017 04:36 PM


Originally Posted by samwu8k (Post 1454762)
Im curious if anyone thinks a new sub-frame might fix my ride height and what i think is excessive camber.

Ah, I was going off this.

What suspension are you running?

samwu8k 12-02-2017 05:04 PM


Originally Posted by curly (Post 1454782)
Ah, I was going off this.

What suspension are you running?

Crap, ok i fixed it.

Well i have a bunch of different setups, right now i just tossed in the stock springs and dampers till get things sorted out.


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