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The following operations will have to be undertaken
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Fit uprated / stronger VW big end shells
Fit uprated big end bolts 110ps TDI turbo and associated pipework required 110ps brain control unit required Additional cabling on computer required
TDI engine 90ps useful Data
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Compressions |
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New engine |
25 to 31 bar |
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Worn engine |
19 bar |
Note – temp should be at least 30 degrees C
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Thermostat |
80 degrees C |
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Pump timing |
0.70 mm |
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Big end bolt torque |
30 nm + 90 degree |
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Ring gap |
0.20 to 0.40 new Top and second rings |
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1.0 to 1.20 worn |
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0.25 to 0.50 new Oil rings |
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1.00 to 1.20 worn |
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Cylinder Head |
40 nm Step 1 |
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60 nm Step 2 |
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then a 90 deg turn |
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then another 90 deg turn |
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Oil Pressure |
200 rpm 80 deg C – 2.0 bar |
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Max 7.0 bar |
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