Flexing of the strut towers,
both fore/aft and side to side, causes unpredictable alignment and handling
changes, lack of roll coupling, vibration and metal fatigue. The MM Strut
Tower Brace keeps the strut towers from moving relative to each other, by
providing a load path between the strut towers and between each strut tower
and the firewall. This will prevent alignment from changing under braking
and cornering, making the car more stable and predictable. In addition,
the increase in rigidity from the strut tower brace will also reduce firewall
and dashboard vibration, metal fatigue and noise.
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The MM Strut Tower Brace is unique:
- The MM strut tower
brace uses three bolts at each strut tower top, as three bolts are more
rigid than two. We use 5/16" bolts, rather that the commonly used 1/4"
bolts (which are known to break).
- MM's main tube is
made of rigid 1-1/4" DOM seamless tubing. 1-1/4" tubing is twice as
stiff as the generally used 1" tubing, and DOM seamless tubing is is
30% stiffer than the commonly used ERW type tubing.
- The firewall mounting
point for the strut towers’ rear braces is the pinchweld which runs
the width of the firewall. This pinchweld was formed by folding three
pieces of metal together, and then welding them together. When attaching
something to sheet metal, the best mounting point is at a joint or a
corner, such as the pinchweld (the joining of the upper firewall, the
lower firewall, and the floor of the cowl). The pinchweld is the strongest
portion of the firewall, providing an extremely stiff mounting point
for the strut brace.
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- Nearly all other
strut tower braces attach to the center of the firewall - the weakest
and most flexible point. Attaching there adds little stiffness, and
leads to cracking and tearing out of the firewall.
- Our strut tower
brace allows the use of all popular intake manifolds because no part
of the brace passes over the top of the intake manifold.
- The MM strut tower
brace is designed to allow the use of caster/camber plates.
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