Spohn 993 - Manual

1
Spohn Performance, Inc.
494 E Lincoln Ave Myerstown, PA 17067
1-888-365-6064 www.spohn.net
Part # 993 – Bolt-In Driveshaft Safety Loop
1982-1992 GM F-Body
INSTRUCTIONS
The Part # 993 bolt-in driveshaft safety loop is to be used on any 1982-1992 F-Body
factory equipped with a 700R4 or T-5 transmission.
1. You must use a polyurethane transmission mount
2. Support the transmission with a jack
3. Remove the transmission crossmember
4. Note the mark on the transmission crossmember where the transmission mount
bolt was located at in the slotted hole in the crossmember
5. Cut out the template at the bottom of these instructions. Place the center
template hole so it is positioned over top of where the transmission mount bolt was
located in the slotted crossmember hole
6. Using a center punch, mark the two outside holes
7. Drill the above marked locations to 7/16”
8. Lay your polyurethane transmission mount on the crossmember and make sure
the two holes you just drilled (7/16”) line up with the two outside holes in the
polyurethane transmission mount. Using the supplied 7/16” bolts, make sure you can
thread both bolts through the crossmember and into the polyurethane transmission
mount
9. Re-install the polyurethane transmission mount onto your transmission
10. Re-install the transmission crossmember, make the four crossmember bolts hand
tight only at this time
11. Disconnect the rear of the driveshaft and slide the loop over the shaft
12. Re-connect the rear of the driveshaft
13. Position the driveshaft loop underneath the transmission crossmember so that
the two holes line up with the holes in the transmission crossmember
14. Using the supplied 7/16” bolts and flat washers, put a flat washer onto the bolts
and put the bolt through the driveshaft loop mount, through the transmission
crossmember, and thread them into the polyurethane transmission mount