Which subframe do I have
Hi Guys
I'm looking at my subframe and was wanting to install some Global west Del alum bushings , there was a set for sale her on py ....
The lower control arm bolts I can take a 9/16 wrench and slide it over the threaded end of the bolt which from what I've read means I have a 74 subframe...73 subframe cars have 1/2 bolts
However the upper control arm bushings on my car are both the same size or so they look very close ...which would mean they are 73 upper arms ???
Can anyone shed some light on this
Are the upper control arm bushings considerably different in size looking at them with your eye...
Thanks for any help.....
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 1973 Firebird Navajo Orange w/shaker,1973 400/461,1972 Intake SD CNC'd,1977 Q-Jet 800 CFM w/ Cliffs Kit,Tanks Inc PA4 255 Walbro intank pump ,-8an feed/return,RobbMc Regulator,RobbMc 40 micron filter,253 CFM 6x-8's w/H.S 1:5 Roller Rockers,SD Stump Puller H/R Cam 230/236 @.050 112 lobe separation 565/.570 lift,Crower Solid Rollers,28150 Hedman Headers,3" exhaust,full tailpipes,350 Turbo,9.5" 3200 Converter,3:42 gear,8.5 posi,C/E slide-alinks,Koni adj frt shocks,Best 12.18@110.55 Lookin for 11's
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