Re: Drum to disc conversion 70 Blazer
Welcome to the 67-72 Chevy Truck Board from West Michigan!
If you swap out a diifferential from a 71 or 72 and change out the master cylinder/lines it is a pretty easy upgrade. Blazers and trucks have the same differential. You will want to keep the same gear ratio.
There are kits available, also.
You may want to check with the Blazer Board for their suggestions.
Jim
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end
1965 Impala SS 400 sbc, Muncie rock crusher
1966 Impala SS 396 bbc, TH 400
1969 El Camino, 350 sbc, TH 350
1971 Snowplow built on a Blazer frame
1972 GMC Short bed, stepside, TH 400, 427 BBC
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