Ingalls 93031 - Manual

© Ingalls Engineering Co., Inc. ● 2011 Cherry Street, Suite 104 ● Louisville CO 80027
(800) 641-9795 ● (303) 665-7800 ● Fax: (303) 665-7810 ● www.ingallseng.com
P ERFORMANCE S USPENSION
Installation Instructions for 93031
Ingalls Stiffy ™ Engine Torque Damper For 2003-2004 Pontiac GTO
The Stiffy™ Adjustable Engine Torque Damper is engineered to reduce deflection under hard acceleration
and cornering for improved performance and power to weight transfer. Deflection in the motor mounts, as with the
chassis and suspension, is a formidable enemy in power and weight transfer, robbing valuable horsepower and
control. The innovative, built-in damper eliminates the huge amounts of “torque shock” that result from wheel-hop
and once installed; transfers more power to the road and improves acceleration, shifting, overall control and balance.
The adjustable feature allows the assembly to be tuned and pre-loaded for racing and street applications.
CAUTION: Observe proper safety and repair procedures for installation of all chassis parts. Some chassis parts require specialized tools and experience and
therefore MUST be installed by a qualified technician otherwise an unsafe vehicle and/or personal injury could result. Wear safety glasses and other protection.
WARNING: Before beginning, check for any damaged or loose suspension connections. Loose connections here indicate worn or broken parts which MUST
BE REPLACED. Failure to replace a damaged or worn spindle and/or link may cause the wheel to separate from the vehicle, possibly resulting in serious
personal injury. Installer MUST check for proper clearance. Modification(s) may be required. Please proceed ONLY if the vehicle owner is completely aware of
these potential suspension modifications.
Estimated Installation Time: One Hour
Technical Rating: Easy
Kit
Includes: Tools Required:
(1) Stiffy™ Engine Torque Damper Metric and/or SAE Socket Set
(1) Engine Mounting Bracket Metric and/or SAE Open/Closed Wrench Set
(1) Chassis Mounting Brackets Metric and/or SAE Drill bits and 3/8” Drill
(1) Hardware Kit Floor Jack and Jack Stands
Installation:
Note: You must first jack the vehicle into the air and remove the passenger’s side front tire for proper
installation. There is enough clearance to gain access to the inner fender and assemble the entire kit without
actually removing the tire, but it will aid greatly in the assembly process.
1. Under the hood, locate the battery on the passenger’s side just behind the headlamp assembly. Using a 10mm
wrench, remove the positive and negative battery wire assembly from the battery posts. Remove the battery
completely from the vehicle. Refer to Illustration 1.
2. Locate the face of the passenger’s side engine cylinder head and remove the bolt that secures the ground wire
that face of the head. Refer to Illustration 2. There will be three (3) threaded bolt holes on the face of the
cylinder head and each those will be used to mount the engine bracket to evenly spread the loads of the
assembly and eliminate any failure mode. Secure the Engine Mounting Bracket onto the cylinder head using the
supplied 10mm x 30mm long bolts and lock washers, but make sure not to torque the bolts beyond 40 ft./lbs.
Note: The engine bracket has a tab that mounts the torque damper and that tab should be pointing toward the
back of the car. Refer to Illustration 3.
3. As shown in illustration 4, assemble two of the chassis brackets using the supplied 10mm x 20mm long bolts,
washers and locking nuts, but do not torque all the way. As shown in illustration 5, locate the chassis
mounting bracket assembly on the inner fender using the seam for the ABS tray as a guide. Mark the three
10mm holes for drilling using a marker or paint pen. Note: The holes on the brackets are slightly over-sized to
compensate for vehicle production tolerances and to allow for some error in the drilling of the actual 10mm holes.
Using a standard hand drill, place three 10mm (+/- 1mm) holes through the inner fender.