replace Stock Cam for MPG
#1
replace Stock Cam for MPG
Does anybody know if there are ots cams for 87-93 5.0 mustangs that will net better MPG all else being equal?
I hear that while the stock cam is good, the factory did not grind them to the exact tolerances that aftermarket manu. use.
Anyway somebody threw out my stock 1989 5.0 H.O. cam so I need to buy SOMETHING... and this car is just DD for my gal and I... 90% highway miles I expect
THANKS [sm=bangbang.gif]
I hear that while the stock cam is good, the factory did not grind them to the exact tolerances that aftermarket manu. use.
Anyway somebody threw out my stock 1989 5.0 H.O. cam so I need to buy SOMETHING... and this car is just DD for my gal and I... 90% highway miles I expect
THANKS [sm=bangbang.gif]
#2
RE: replace Stock Cam for MPG
any suggestions or comments? how about these two from ISKY?:
PART NUMBER: 371257/265
GRIND NUMBER: RR-257/265 HYD
RPM RANGE: 1400-5600
- - - - - - - - - - - - - - - - -
INTAKE TIMING
DURATION: 257 deg.
OPEN: 16.5 BEFORE TDC
CLOSE: 60.5 AFTER BDC
CAM LIFT: .30"
VALVE LIFT: .480"
- - - - - - - - - - - - - - - - -
EXHAUST TIMING
DURATION: 265 deg.
OPEN: 64.5 BEFORE BDC
CLOSE: 20.5 AFTER TDC
CAM LIFT: .313"
VALVE LIFT: .50"
- - - - - - - - - - - - - - - - -
LOBE CENTER: 112 deg.
OVERLAP: 37 deg.
=================================
=================================
PART NUMBER: 371252/257
GRIND NUMBER: RR-252/257 HYD
RPM RANGE: 1200-5000
- - - - - - - - - - - - - - - - -
INTAKE TIMING
DURATION: 252 deg.
OPEN: 14 BEFORE TDC
CLOSE: 58 AFTER BDC
CAM LIFT: .291"
VALVE LIFT: .465"
- - - - - - - - - - - - - - - - -
EXHAUST TIMING
DURATION: 257 deg.
OPEN: 60.5 BEFORE BDC
CLOSE: 16.5 AFTER TDC
CAM LIFT: .30"
VALVE LIFT: .480"
- - - - - - - - - - - - - - - - -
LOBE CENTER: 112 deg.
OVERLAP: 30.5 deg.
=================================
=================================
PART NUMBER: 371257/265
GRIND NUMBER: RR-257/265 HYD
RPM RANGE: 1400-5600
- - - - - - - - - - - - - - - - -
INTAKE TIMING
DURATION: 257 deg.
OPEN: 16.5 BEFORE TDC
CLOSE: 60.5 AFTER BDC
CAM LIFT: .30"
VALVE LIFT: .480"
- - - - - - - - - - - - - - - - -
EXHAUST TIMING
DURATION: 265 deg.
OPEN: 64.5 BEFORE BDC
CLOSE: 20.5 AFTER TDC
CAM LIFT: .313"
VALVE LIFT: .50"
- - - - - - - - - - - - - - - - -
LOBE CENTER: 112 deg.
OVERLAP: 37 deg.
=================================
=================================
PART NUMBER: 371252/257
GRIND NUMBER: RR-252/257 HYD
RPM RANGE: 1200-5000
- - - - - - - - - - - - - - - - -
INTAKE TIMING
DURATION: 252 deg.
OPEN: 14 BEFORE TDC
CLOSE: 58 AFTER BDC
CAM LIFT: .291"
VALVE LIFT: .465"
- - - - - - - - - - - - - - - - -
EXHAUST TIMING
DURATION: 257 deg.
OPEN: 60.5 BEFORE BDC
CLOSE: 16.5 AFTER TDC
CAM LIFT: .30"
VALVE LIFT: .480"
- - - - - - - - - - - - - - - - -
LOBE CENTER: 112 deg.
OVERLAP: 30.5 deg.
=================================
=================================
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