361- 390 swap
361- 390 swap
Laughing Gas
Joined: Nov 2003
Posts: 898
Likes: 1
From: southeren Oh
I happen to have a 390 that has installed a 391 front timing cover and 391 bellhousing mounts. it is a 67 390 9.5 to 1 It has been rebuilt by me a couple of years ago. It is setting in a old 2 1/2 ton mil truck. I had to machine a small sleeve for the front timing cover as the snout of the harmonic dampner is a different size. I had the 13 inch flywhhel rebalenced to 0 for the 390 new flywheel gear. cam is a crane cam the cam card is at the bottom of this reply. and it has a street 4bbl intake.
If interested let me know.
Part Number: 134052 Grind Number: 272 H10
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1963 1976 FORD-MERCURY 8 GOOD IDLE, DAILY USAGE, OFF ROAD, HIGHWAY TOWING, FUEL EFFICIENCY PLUS PERFORMANCE, 2600-3000 CRUISE RPM, 8.75 TO 10.5 COMPRESSION RATIO ADVISED. BASIC RPM 2000-5000
Engine Size Configuration
352-428 C.I. V
Valve Setting: Intake .000 Exhaust .000 HOT
Lift: Intake @Cam 3027 @Valve 533 All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 3027 @Valve 533
Rocker Arm Ratio 1.76
Cam Timing: TAPPET @.004
Lift: Opens Closes ADV Duration
Intake 27 BTDC 65 ABDC 272 °
Exhaust 67 BBDC 25 ATDC 272 °
Spring Requirements: Triple Dual Outer Inner
Part Number 99837
Loads Closed 90 LBS @ 1.828 or 1 53/64
Open 262 LBS @ 1.328
Recommended RPM range with matching components
Minimum RPM 2000
Maximum RPM 5000
Valve Float 6500
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake 3 BTDC 33 ABDC 105 216 °
Exhaust 43 BBDC (7) BTDC 115 216 °
Remarks:
Crane Cams continuously improves and upgrades its cam designs. In some cases this may mean that two Crane Cams with the same part number may actually be different grinds. You must check the GRIND NUMBER stamped on the front of the camshaft and check it against the Grind Number near the top of the Spec Card. For more information on the finest available camshafts, valve train components, and automotive ignition products, visit your local Crane dealer or call the Crane Cams tech line at (386) 258-6174 or FAX (386) 258-6167
If interested let me know.
Part Number: 134052 Grind Number: 272 H10
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1963 1976 FORD-MERCURY 8 GOOD IDLE, DAILY USAGE, OFF ROAD, HIGHWAY TOWING, FUEL EFFICIENCY PLUS PERFORMANCE, 2600-3000 CRUISE RPM, 8.75 TO 10.5 COMPRESSION RATIO ADVISED. BASIC RPM 2000-5000
Engine Size Configuration
352-428 C.I. V
Valve Setting: Intake .000 Exhaust .000 HOT
Lift: Intake @Cam 3027 @Valve 533 All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 3027 @Valve 533
Rocker Arm Ratio 1.76
Cam Timing: TAPPET @.004
Lift: Opens Closes ADV Duration
Intake 27 BTDC 65 ABDC 272 °
Exhaust 67 BBDC 25 ATDC 272 °
Spring Requirements: Triple Dual Outer Inner
Part Number 99837
Loads Closed 90 LBS @ 1.828 or 1 53/64
Open 262 LBS @ 1.328
Recommended RPM range with matching components
Minimum RPM 2000
Maximum RPM 5000
Valve Float 6500
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake 3 BTDC 33 ABDC 105 216 °
Exhaust 43 BBDC (7) BTDC 115 216 °
Remarks:
Crane Cams continuously improves and upgrades its cam designs. In some cases this may mean that two Crane Cams with the same part number may actually be different grinds. You must check the GRIND NUMBER stamped on the front of the camshaft and check it against the Grind Number near the top of the Spec Card. For more information on the finest available camshafts, valve train components, and automotive ignition products, visit your local Crane dealer or call the Crane Cams tech line at (386) 258-6174 or FAX (386) 258-6167
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