Monzilla
New Member
- Joined
- Aug 16, 2007
- Messages
- 52
- Reaction score
- 0
- Points
- 0
- Age
- 46
- Location
- Holt, MI
- Vehicle Year
- 1989
- Make / Model
- Ranger
- Engine Size
- 4.0L
- Transmission
- Automatic
Im building a 4.0L X engine. 1994 short block with small OEM dish pistons. 1996 heads with small combustion chambers. I have non adjustable rockers. Comp cams custom grind with about .550" lift at vavle. I need to cut about .030" off the heads. If I cut the heads, I need to space the rockers back up. Are there rocker shaft mount spacers available? There seems to be a oil feed hole in the center shaft mount? It comes from the center head bolt hole.
On 90 degree V8 we loosen rockers to lessen then collapse of the hydrualic. Less horsepower used to collapse lifter means more at flywheel. Has anyone added additional shims to the mounts to loosen rockers? Or used old 2.9L adjustable rockers? Is the shaft size the same from 2.9L to 4.0L?
On 90 degree V8 we loosen rockers to lessen then collapse of the hydrualic. Less horsepower used to collapse lifter means more at flywheel. Has anyone added additional shims to the mounts to loosen rockers? Or used old 2.9L adjustable rockers? Is the shaft size the same from 2.9L to 4.0L?