subframe reinforcement?

[Bearmw]

I am in the process of redoing the front and rear suspension on my 72 Bav and am wondering if the front subframe should be reinforced before I powder coat it? I have an E30 which I reinforced the motor mount areas of the subframe (a known weak spot) as a preventative measure and wonder if the E3 subframe similarly has any weak areas? FWIW I will be swapping in a high compression B35 and I tend to drive fairly aggressively at times and may do an occasional autocross.

On the rear I will be doing an E28 subframe swap.

Thanks

 

[bavbob]

In the years of being on this forum and owning an E3, never read that anyone had issues. Aggressive driving in Ma is a misnomer don't ya think ( excluding the autocross ).

 

[Bearmw]

Bob thanks for your response and I probably should have said "spirited" driving on some select country roads...

 

[sfdon]

E9 subframes last until they are driven into concrete blocks in parking lots.

 

[Bearmw]

Well that is certainly encouraging!

 

[norcal-bav]

Yeah, It will be fine, I wouldn't mess with it. My V8 with delrin engine mount bushings has not cracked the subframe. Spirited driving as well.