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question Zetor 4911 head gasket thickness 1.2 or 1.5 mm

G

gazintheshed

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Jan 14, 2018
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Garry a
Hi everyone
I'm rebuilding the engine on my Zetor 4911 3-cylinder and I cant find out which thickness head gasket I should use 1.2 or 1.5 mm any ideas

engine no is 4901-06048
serial no 7168
year 1978
 
Hi everyone I'm rebuilding the engine on my 4911 3 cylinder and I cant find out which thickness head gasket I should use 1.2 or 1.5 any ideas engine no is 490106048 serial no 7168 year 1978
Click to expand...

I only worked on a 7340 so the manual says use 1.5 mm head gasket, but someone on this forum previously said only ever use 1.2 mm as it helps with compression
 
The workshop manual says you have to measure the overlap of each piston over the crankshaft if its correct measurement fit a 1.5mm but if its less fit 1.2mm
 
Ok I am guessing that you mean the squish clearance measurement any idea what it should be anyone
 
Ok I am guessing that you mean the squish clearance measurement any idea what it should be anyone
Click to expand...

the overlap of each piston in tdc above the crankcase contact surface >= of .35 mm fit a 1.5mm gasket


but as I say this is for a manual for a 7340
 
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