rebuilding f22a6 need crank bearing clearances
I am slowly rebuilding a f22ay, the block has been honed and decked. I have king crank bearings and I need to know the clearances. This was a perfectly good running engine with 160K on it. I just want it fresh before i put a turbo on it.
I have searched and found nothing that seems direct for this motor, I just found H22 specs.
I have searched and found nothing that seems direct for this motor, I just found H22 specs.
Crankshaft
End Play
Standard 0.004-0.014 (0.10-0.35)
Service Limit 0.018 (0.45)
Runout
Standard 0.0012 (0.030)
Service Limit 0.0016 (0.040)
Main Bearings
Journal Diameter
No. 1 1.9679-1.9688 (49.984-50.008)
No. 2 1.9676-1.9685 (49.976-50.000)
No. 3 1.9674-1.9683 (49.972-49.996)
No. 4 1.9679-1.9688 (49.984-50.008)
No. 5 1.9680-1.9690 (49.988-50.012)
Journal Out-Of-Round
Standard 0.000197 (0.005)
Service Limit 0.000234 (0.006)
Journal Taper
Standard 0.000197 (0.005)
Service Limit 0.000234 (0.006)
Oil Clearance
No. 1
Standard 0.0005-0.0015 (0.013-0.037)
Service Limit 0.002 (0.05)
No. 2 Journal
Standard 0.0008-0.0018 (0.021-0.045)
Service Limit 0.0020 (0.050)
No. 3 Journal
Standard 0.0010-0.0019 (0.025-0.049)
Service Limit 0.0022 (0.055)
No. 4 Journal
Standard 0.0005-0.0015 (0.013-0.037)
Service Limit 0.0020 (0.050)
No. 5 Journal
Standard 0.0004-0.0013 (0.009-0.033)
Service Limit 0.0016 (0.040)
Connecting Rod Bearings
Journal Diameter 1.8888-1.8898 (47.976-48.001)
Journal Out-Of-Round
Standard 0.000197 (0.0050)
Service Limit 0.000234 (0.0060)
Journal Taper
Standard 0.000197 (0.0050)
Service Limit 0.000234 (0.0060)
Oil Clearance
Standard 0.0008-0.0019 (0.021-0.049)
Service Limit 0.0022 (0.055)
End Play
Standard 0.004-0.014 (0.10-0.35)
Service Limit 0.018 (0.45)
Runout
Standard 0.0012 (0.030)
Service Limit 0.0016 (0.040)
Main Bearings
Journal Diameter
No. 1 1.9679-1.9688 (49.984-50.008)
No. 2 1.9676-1.9685 (49.976-50.000)
No. 3 1.9674-1.9683 (49.972-49.996)
No. 4 1.9679-1.9688 (49.984-50.008)
No. 5 1.9680-1.9690 (49.988-50.012)
Journal Out-Of-Round
Standard 0.000197 (0.005)
Service Limit 0.000234 (0.006)
Journal Taper
Standard 0.000197 (0.005)
Service Limit 0.000234 (0.006)
Oil Clearance
No. 1
Standard 0.0005-0.0015 (0.013-0.037)
Service Limit 0.002 (0.05)
No. 2 Journal
Standard 0.0008-0.0018 (0.021-0.045)
Service Limit 0.0020 (0.050)
No. 3 Journal
Standard 0.0010-0.0019 (0.025-0.049)
Service Limit 0.0022 (0.055)
No. 4 Journal
Standard 0.0005-0.0015 (0.013-0.037)
Service Limit 0.0020 (0.050)
No. 5 Journal
Standard 0.0004-0.0013 (0.009-0.033)
Service Limit 0.0016 (0.040)
Connecting Rod Bearings
Journal Diameter 1.8888-1.8898 (47.976-48.001)
Journal Out-Of-Round
Standard 0.000197 (0.0050)
Service Limit 0.000234 (0.0060)
Journal Taper
Standard 0.000197 (0.0050)
Service Limit 0.000234 (0.0060)
Oil Clearance
Standard 0.0008-0.0019 (0.021-0.049)
Service Limit 0.0022 (0.055)
keep in mind you will want more room when using this engine for boost. I was near the service limits with these king bearings as well but it seems to work well for boost.
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