- QUAD 4 FAQ's
- How to post a Quad4 FAQ
- RocketParts Catalog
- Performance Parts Vendor Contact Information
- General Performance Info for 2.4 Twin Cam Engines
- Quad 4 Performance Parts List
- Quad 4 Part Numbers (partial)
- General Intake Manifold Dynamics
- Achieva SCX production volume info
- What is "cryotreatment?"
- 2.3L QUAD 4 model availability
- Quad 4-equipped automobiles list
- Automatic transmission info
- Shot Peening
- Head Porting Info..
- Compression Calculator
- Basic Head Porting Info
- W41 chip part numbers
- GM RPO Codes and What They Mean
- GM front end brace general info
- Injector Sizing
- 2.4 Twin Cam ARP Part #s
- Eaton M90
- Transmission Info
- Specs for my Wiseco pistons (turbo)
- Oldsmobile Cutlass Calais Quad 442 - Just Say "W41"
- The Quad Squad -- Olds' 16 Valvers are Hot in Showroom Stock
- Quad Mods
- Olds Cutlass Calais 442 W41
- Rocket Oldsmobile, the Sequel -- 220 Miles Per Hour ... With Four Cylinders
- Aerotech Historical Info
- Rebuilding the GM Quad 4
- Gasoline FAQ
- Head flow numbers
- Quad 4 - The Inside Story
- 1988 - 1998 ECM Wiring Diagrams
- the evolution of J-bodies (pics)
- Throttle Body FAQ
- Photos of Quad racers and Quad rods
- Quad 4 Stock Dyno Graphs
- N-Body FAQ
- Great Turbo Info
- Feburary 1991 Rocket Parts Catalog
- Quad4 Rods weights
- Quad8 picture
- Water pump specs for 94 DOHC
- Piston Weight Comparison
- Alot of OEM and Afternarket Parts here for our cars.
- Aerotech Quad
- A/C Eliminator Pulley Info
- Intro to the Quad4 (and then some!)
- Rebuilding the Quad4 - original article by Doug Anderson