The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 67-72 Electric speedo

67c10rustbuket · 05-25-2013, 12:14 AM

1. Rear view of speedo, T15 screws installed.

2. Install S10 circuit board with T9 Torx screw. Why does GM use odd sized Torx screws ??

I bought a fold out multi Torx tool at lowes.

3. Notice the two holes under the speedo where the rear tin is clearanced ?? These are for the cover box

05-25-2013, 12:14 AM	#180
67c10rustbuket Registered User Join Date: Apr 2011 Location: Mustang, Oklahoma Posts: 2,807	Re: 67-72 Electric speedo 1. Rear view of speedo, T15 screws installed. 2. Install S10 circuit board with T9 Torx screw. Why does GM use odd sized Torx screws ?? I bought a fold out multi Torx tool at lowes. 3. Notice the two holes under the speedo where the rear tin is clearanced ?? These are for the cover box Attached Images __________________ Dan <---(my name) 67 SWB C10 project "GEORGIA"-59 Brookwood 2dr wag...Next project-03 Tahoe 4x4 5.3 family ride-07 Hondur Accord, commuter car