crankshaft specs

acmillr · June 24th, 2007, 02:42 PM

Does anyone know where to find the correct specs for the 4.6 crankshaft measurements? I.E. main journal diameter, rod journal diameter, and allowances.

DrHolliday · June 24th, 2007, 05:26 PM

Crankshaft
Main Bearing Journal Diameter 67.482- 67.504 mm (2.66 - 2.661 inch)
Connecting Rod Journal
• Diameter 52.983-53.003 mm (2.085941-2.086728 inch)
Crankshaft Free End Play 0.075-0.377 mm (0.003-0.015 inch)
Crankshaft Runout to Rear Face of Block 0.050 mm (0.01969 inch) max
Connecting Rod Bearings
Clearance to Crankshaft
• Desired 0.027-0.069 mm (0.0010629-0.0027165 inch)
• Allowable 0.027-0.069 mm (0.0010629-0.0027165 inch)
Bearing Wall Thickness (Std) d 2.442-2.453 mm (0.096-0.097 inch)
Main Bearings
Clearance to Crankshaft
• Desired 0.025-0.044 mm (0.001-0.002 inch)
• Allowable 0.025-0.050 mm (0.00098-0.00197 inch)
Bearing Wall Thickness (Std) f 1.919-1.925 mm (0.0756-0.0757 inch)

Got this from another forum so I'm not sure how accurate it is.

here's the link:
http://forums.mightymustangs.net/ind...&mode=threaded

acmillr · June 24th, 2007, 07:16 PM

I found this chart and it tells a slightly different story. They are close to each other, but I would like to feel comfortable with the measurements I am finding.

DrHolliday · June 24th, 2007, 10:57 PM

I would trust the numbers you found... Its made by ford.

June 24th, 2007, 02:42 PM	#1
acmillr MM's Mad Scientist Stockish GT 15.6@89MPH Join Date: Jul 2006 Location: Tampa, FL Posts: 4,911	crankshaft specs Does anyone know where to find the correct specs for the 4.6 crankshaft measurements? I.E. main journal diameter, rod journal diameter, and allowances. __________________

June 24th, 2007, 05:26 PM	#2
DrHolliday Enthusiast Join Date: Mar 2007 Location: New Port, NC Posts: 717	Crankshaft Main Bearing Journal Diameter 67.482- 67.504 mm (2.66 - 2.661 inch) Connecting Rod Journal • Diameter 52.983-53.003 mm (2.085941-2.086728 inch) Crankshaft Free End Play 0.075-0.377 mm (0.003-0.015 inch) Crankshaft Runout to Rear Face of Block 0.050 mm (0.01969 inch) max Connecting Rod Bearings Clearance to Crankshaft • Desired 0.027-0.069 mm (0.0010629-0.0027165 inch) • Allowable 0.027-0.069 mm (0.0010629-0.0027165 inch) Bearing Wall Thickness (Std) d 2.442-2.453 mm (0.096-0.097 inch) Main Bearings Clearance to Crankshaft • Desired 0.025-0.044 mm (0.001-0.002 inch) • Allowable 0.025-0.050 mm (0.00098-0.00197 inch) Bearing Wall Thickness (Std) f 1.919-1.925 mm (0.0756-0.0757 inch) Got this from another forum so I'm not sure how accurate it is. here's the link: http://forums.mightymustangs.net/ind...&mode=threaded __________________ Mustangless atm 2006 2500 HD Diesel. Built allison trans and other goodies

June 24th, 2007, 07:16 PM	#3
acmillr MM's Mad Scientist Stockish GT 15.6@89MPH Join Date: Jul 2006 Location: Tampa, FL Posts: 4,911	I found this chart and it tells a slightly different story. They are close to each other, but I would like to feel comfortable with the measurements I am finding. __________________

June 24th, 2007, 10:57 PM	#4
DrHolliday Enthusiast Join Date: Mar 2007 Location: New Port, NC Posts: 717	I would trust the numbers you found... Its made by ford. __________________ Mustangless atm 2006 2500 HD Diesel. Built allison trans and other goodies

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