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70BLAZERX2 · 02-07-2010, 09:15 PM

Ok your blazer now has a dana30 transfer case in it...got to go..you will need a granny 4speed for 4x4 with case...and both driveshafts are different too. The frame to case bracket is different too. I have done this before...It is about a bolt on to the bellhousing you allready have.

02-07-2010, 09:15 PM	#4
70BLAZERX2 Registered User Join Date: Jan 2010 Location: GREENEVILLE TENNESSEE Posts: 1,311	Re: 1970 Blazer: 3 speed to 4 speed swap Ok your blazer now has a dana30 transfer case in it...got to go..you will need a granny 4speed for 4x4 with case...and both driveshafts are different too. The frame to case bracket is different too. I have done this before...It is about a bolt on to the bellhousing you allready have.