Quote:
Originally Posted by chris75
If the heads of the existing bolts are stamped 10.9 , do not replace with stainless . They will not be as strong . 
Even if they are 8.8 , many stainless bolts will still not be as strong and as said are more brittle , which is not desirable in impact use . |
This.
Stainless is fine in most areas but not as replacements for 10.9 High tensile.
Your bumper beam is fine but be aware stainless does wonders to ally as a disimilar metal
__________________
Jon C
Living the dream
MK IV VVTI Tiptronic TT Toyota Supra
MG ZT 190+
BornTuesday, 10th July 2001 @ 09:01:10
259th ZT to run off the production line, out of 18,894
252nd ZT 190 + to be made out of 4,023
101st ZT in Solar Red (code: CEU) to be made out of 1,888