Turbo Action 17880XA Torqueflite 727, 904, 998 & 999 Pro Race Only Manual Valve Body (PRN321) - Manual

Part #17880XA 8-14-14
1535 Owens Road, Jacksonville, FL 32218
Phone (904) 741-4850 *** FAX (904) 741-4853
www.turboaction.com
This valve body will give excellent results when properly installed, but care must be taken to read
these instructions very carefully. This valve body can be installed much easier if transmission is
cool. A new transmission filter is recommended, #17013 Filter, but not necessary.
FRONT BAND (Kickdown) ADJUSTMENT (If Wedge or Hemi Band): Adjust front band per the
following specs - (a) Locate the adjustment on driver’s side on the outside of the transmission, just
ahead of the linkage. (b) You will need a 3/4” wrench and an open end 5/16” wrench. Break the
locknut loose (3/4” nut). Now holding the locknut, turn the square lug in the center of the locknut
with your 5/16” open end wrench. Turn wrench clockwise until wrench becomes snug (10 in./lbs.).
Make sure locknut doesn’t move while tightening the square lug. (c) Now carefully turn 5/16”
wrench counter clockwise
1 1/2 (6 Flats) turns. Holding the 5/16” wrench, tighten the 3/4” wrench
to 35 ft./lbs. (very tight). DO NOT allow the square lug to move while tightening the 3/4” locknut.
STEP #1: If vehicle is on the ground, secure so it will not roll. (Preferably, vehicle should
have all four wheels off the ground.) Place vehicle shift selector in park range.
Remove throttle pressure linkage and gear selector linkage located on the
driver’s side of the vehicle. Disconnect only at the shaft coming out of the trans-
mission case. You will note the two linkage levers on the shaft are fastened by a
bolt in each case. Loosen these bolts but do not remove bolts completely. After
loosening bolts, carefully pry levers upward with a screwdriver. The top (throttle
pressure) lever is no longer needed.
STEP #2: Remove all pan bolts but two on one end. This way you will be able to drain the
transmission without getting soaked with oil. These two bolts can be gradually
loosened off after most of the oil has been drained.
Special Characteristics about your Cheetah Valve Body:
1. First Gear - no engine compression braking .
2. First to second shift on jackstands will not be noticeable , unless you hold
your foot on brake as you make the shift.
3. Second to third shift will be vastly improved.
4. There is no line pressure reading at center check point in case. If pressure
reading is desired, check on front servo in high gear (105 lbs.)
CHEETAH Manual SP Valve Body - PRN321 Stock Pattern
Part # 17880XA - Torqueflite 727 & 904 1966-Up Non Lock-Up
(Competition Drag Strip Use Only)
IMPORTANT - Water Burnout Instructions on Page 4.
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