Section17TECHNICALDATA
Subsection 05 (GTX 4-TEC MODELS)
ENGINE GTX 4-TEC GTX 4-TEC SUPERCHARGED
1
st
Upper compression ring
2
nd
Lower compression ringPiston ring type and quantity
3
rd
Oil scraper ring
Rectangular 0.3 mm (.012 in)
Taper-face 0.15 mm (.006 in)
Oil scraper ring
Minimum (new)
0.15 mm (.006 in)
Rectangular 0.5 mm (.020 in)
Taper-face 0.3 mm (.012 in)
Oil scraper ring
Maximum (new)
0.3 mm (.012 in)
Ring end gap
All Wear limit 1.5 mm (.06 in)
Rectangular 0.02 mm (.0008 in)
Taper-face 0.015 mm (.0006 in)
Oil scraper ring
Minimum (new)
0.02 mm (.0008 in)
Rectangular 0.07 mm (.0028 in)
Taper-face 0.06 mm (.0024 in)
Oil scraper ring
Maximum (new)
0.055 mm (.0021 in)
Ring/piston groove
clearance
All Wear limit 0.15 mm (.006 in)
Minimum (new)
0.024 - 0.056 mm
(.001 - .0022 in)
0.04 mm (.001 in)
Piston/cylinder wall clearance
Wear limit 0.1 mm (.0039 in)
Cylinder taper (maximum) 0.03 mm (.0011 in)
Cylinder out of round (maximum) 0.008 mm (.0003 in)
Minimum (new) 24.93 mm (.9815 in)
Maximum (new) 24.96 mm (.9827 in)Front
Wear limit 24.93 mm (.9815 in)
Minimum (new) 39.89 mm (1.5705 in)
Maximum (new) 39.9 mm (1.5709 in)
Camshaft bearing
journal
PTO and center
Wear limit 39.88 mm (1.5701 in)
Minimum (new) 25.000 mm (.9842 in)
Maximum (new) 25.01 mm (.9846 in)Front
Wear limit 25.02 mm (.9850 in)
Minimum (new) 40.000 mm (1.5748 in)
Maximum (new) 40.01 mm (1.5752 in)
Camshaft bore
PTO and center
Wear limit 25.02 mm (.9850 in)
Minimum (new) 31.48 mm (1.2394 in) 31.69 mm (1.2476 in)
Maximum (new) 31.59 mm (1.2437 in) 31.8 mm (1.2520 in)Intake
Wear limit 31.43 mm (1.2374 in) 31.65 mm (1.2461 in)
Minimum (new) 31.69 mm (1.2476 in) 31.48 mm (1.2394 in)
Maximum (new) 31.8 mm (1.2520 in) 31.59 mm (1.2437 in)
Cam lobe
Exhaust
Wear limit 31.65 mm (1.2461 in) 31.43 mm (1.2374 in)
Minimum (new) 0.08 mm (.0031 in)
Crankshaft axial clearance
Maximum (new) 0.22 mm (.0087 in)
Connecting rod big end clearance
Wear limit 0.09 mm (.0035 in)
Minimum (new) 49.98 mm (1.9677 in)
Maximum (new) 50.000 mm (1.9685 in)Crankshaft journal diameter
Wear limit 49.950 mm (1.9665 in)
Crankshaft radial clearance Wear limit 0.007 mm (.0028 in)
Connecting rod big end diameter Service limit
45.080 mm (1.7740 in)
Connecting rod big end clearance Service limit
0.09 mm (.0035 in)
782 smr2004-Complete Line Up
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