This page is about the Original Aluminum Torque Thrust "D"
Not about the original magnesium wheel or the NEW TTD
If you are not sure about how to measure Aluminum wheels to get the front & back space information you need.
Please go to the MEASURMENT page.
Picture below is of an Original 60's 15x7 American Racing Aluminum "D" spoke.
Original 60's D spoke 15x7 wide
Above is a 15x7 Original Torq Thrust "D" that was originaly designed for Corvettes with disc brakes.
I have worked on 4.5 4.75 & 5 inch bolt patterns.
Below is the NEW Torque Thrust "D" that started in 1988 and is still produced today.
LOOK VERY carefully at the shape of the spokes.
This is a NEW Torq Thrust D from 1988 / today
Original 60's D spoke backside
Pic # 51 This is not a TTD currently produced
APPLIANCE Torq Thrust "D" Aluminum Wheels.
................Front.....Back
15X6......3 1/8".....3 5/8"
15X7......4 1/4".....3 3/4"
There are casting and machining differences between the American D spokes.
Its not un common to have a set AP D spokes taken off a car and find small differences with the set
Aluminum TORQ THRUST "D"
The D spoke shows up in the 1966 A catalog 661 prices effective 1 Jan 1966
Adds for this wheel can be found in 1965 car magazines.
................front.......back
15X6......3 1/4".....3 3/4" pn# A-1560D
15X7......4 1/4".....3 3/4" pn# A- 1570D
both measurements taken from brake drum mounting surface