Quote:
Originally Posted by Mark Yacavone
I honestly didn't know that you could use a 9" Ford rear in any make of Stocker, 2008 and newer. Someone just directed me to the rule amendment.
Doesn't surprise me. Nothing does anymore.
I wonder why they chose 2008?. If they went back to 2004, they could have included the GTO, and a few more Corvettes.
Anyone care to speculate?
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I had to look for it and read it myself.
Page 10 of the Feb 2017 amendments
http://promod.nhra.com/Userfiles/Fil...s%202-6-17.pdf
Copy:
Swing axle differential may be replaced with conventional housing; 9-inch
housing permitted in 2008 and newer vehicles; stock trailing arms must be
retained, may be beefed up and adapted to housing, must retain transverse
spring. Must install Panhard bar. Frame may be notched for driveshaft clearance.
Distance between OEM backing plates and OEM wheelbase must be
maintained. Coil-over shock or four-link adaptations prohibited. See General Regulations 2:11.