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#1
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Piston to Cylinder Wall Clearance ?
What is the factory piston to cylinder wall clearance for the 190E 2.5 - 16v ? Also since I'm building the engine for FI should I use the factory clearance or maybe modifiy it ?
thanks Joreto
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190E 3.0-24v (M104 980) turbo @ 0.8 bar 1/4 mile: 2.483 / 13.540 / 175.17 km/h (street tires) |
#2
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The spec is .020-.034 MM. The type of injection shouldn't matter.
Running clearance at the UPPER tolerence will allow you to make HP quicker.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#3
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Thanks M.B.DOC, I'll leave the clearance at .030mm .
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190E 3.0-24v (M104 980) turbo @ 0.8 bar 1/4 mile: 2.483 / 13.540 / 175.17 km/h (street tires) |
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