SPR Performance

TBI Fuel Injection Calculators

• Fuel InjPres Calc
• BPC-TBI

Installation and Overhaul Instructions

• TBI Parts Identification
• Crossfire
• Crossfire 2
• Crossfire 3

7.4L 454 TBI Differences

• 7.4L TBI Comparison

Computer Controlled Diagram

• Computer Controlled Items

How to Make an Adjustable Fuel Pressure Regulator

• TBI-AFPR

Aeromotive 13301 Instructions

• 13301

Edelbrock 3704 Performer TBI Intake Instructions

• Edl 3704 Performer TBI Intake

Holley Pro-Jection TBI Intakes

• Holley 300-66
• Holley 300-49

TBI Fuel Pressure Regulator Cover Comparisons

• Regulator Cover Comparison

Torque Specifications

• Intake Torque Sequence
• Torque Seq1
• Firing Order
• Cylinder Head Torque Seq

Serpentine Belt Diagram w/o Smog Pump

• Belt Diagram
• Belt Diagram Image

IAC & TPS Adjusting

• Throttle Minimum Air Position
• Thirdgen.org - TPI Mod

Timing, TPS, IAC, Idle & Computer Relearn Procedures

• Timing

TBI Trouble Shooting and Performance Issues

• Performance

How to Test the ECM and TBI Sensors

• Component Testing

Favorite Links

• Harris Performance, LLC
• Witch Hunter Performance
• Thirdgen.org