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64GMCHorsepower · 05-03-2008, 07:46 PM

I got 35 3/4 to the inside of the core support, but it can be a little different depending on where you measure it bocause of how the firewall is......

hope this helps

05-03-2008, 07:46 PM	#2
64GMCHorsepower Justified! Join Date: Apr 2007 Location: Valencia, Ca Posts: 1,366	Re: a quick measurement please I got 35 3/4 to the inside of the core support, but it can be a little different depending on where you measure it bocause of how the firewall is...... hope this helps __________________ Chad 1964 GMC Fleetside Shortbed....350/700R4 tranny Last edited by 64GMCHorsepower; 05-03-2008 at 07:46 PM.