freedom2006
Member
Hi everyone. I'm having to replace the cylinder head on my 300tdi, the original is cracked. Do I use the same 'hole number' head gasket . Mine had a ' no hole ' gasket, do I stick with that ? Thanks.
jamesmartin
Well-Known Member
unless you measure piston protrusion and valve stand down ,use the same as was fitted
adrian hogg
Well-Known Member
personally i would always measure piston protrusion and use correct gasket as otherwise you are trusting whoever fitted the last gasket to have done the job properly.
adrian hogg
Well-Known Member
just found this
Protusion 0.50 - 0.60mm use a 1 hole gasket
Protusion 0.61 - 0.70mm use a 2 hole gasket
Protusion 0.71 - 0.80mm use a 3 hole gasket
Protusion 0.81 - 0.90mm use a gasket with no holes.
If your engine needs a 1 hole and you fit a no hole then compression and performance will be down
If you don't have a dti a flat edge and feeler gauges can do the job
Protusion 0.50 - 0.60mm use a 1 hole gasket
Protusion 0.61 - 0.70mm use a 2 hole gasket
Protusion 0.71 - 0.80mm use a 3 hole gasket
Protusion 0.81 - 0.90mm use a gasket with no holes.
If your engine needs a 1 hole and you fit a no hole then compression and performance will be down
If you don't have a dti a flat edge and feeler gauges can do the job
