- '92 4.9 L cylinder head problem/identification
- pulling gears
- Sheet metal air funnel?
- i have questions on my 300 |6 rebuild
- sm six Oz heads n intakes
- head port and polish
- Bolt on performance
- 4.9 ENGINE STUDDERING
- Rocker Stud Removal?
- Holley 390cfm Secondaries
- Greatest Facebook group ever
- Crankcase Milkshakes
- INTAKE COOLANT PLATE
- PCV System Build
- 81,300 to 66,240 flywheel swap
- motor mounts
- Want to Upgrade the carb
- More power at 3/4 throttle than I do at full throttle. Why????
- Do 300s have any headgasket issues ?
- Multi-level experimental build
- Intake Leaking Issues
- 1990 F150 I6 no start issue
- knock sensor
- need help with my fuel system
- bad gas?
- 300 better milage after 4.10s?
- Head and Camshaft Install Pics
- 300 towing from a 390 perspective
- intake manifold?
- Offenhauser/holley combo runs great :)<-new member