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**The Rocknrod** · 10-21-2021, 04:26 AM

With manual I'd go with 1". With power I'd go 1-1/8". Don't forget to re-drill your brake pedal arm.

10-21-2021, 04:26 AM	#2
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: thoughts on master bore size? With manual I'd go with 1". With power I'd go 1-1/8". Don't forget to re-drill your brake pedal arm. __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats?