Big Block Conversion in '72 Blazer ?'s

[1972 Jimmy]

68 GMC Step long and Fw190d9.... I'm assuming you guys kept the transfer case mounting position in the original position and modified the firewall according for clearance??

[Fw190d9]

I switched to an Atlas 4 speed Tcase which necessitated moving the crossmember back about 1". The DIy4x engine mount will allow you to move the engine forward or back slightly, about 3" total.

[68 GMC step long]

Originally Posted by 1972 Jimmy

68 GMC Step long and Fw190d9.... I'm assuming you guys kept the transfer case mounting position in the original position and modified the firewall according for clearance??

The big block came out of a 78 c30 p/u. We used the origional 350 trans and np205 t-case and didn't have to move any cross members. The only cutting that was done was on the firewall and not even 1/2" worth of trimming on the frame for header clearance.