Mahle Piston Wall Clearance 86mm
#1
Evolved Member
Thread Starter
Mahle Piston Wall Clearance 86mm
Hi, im helping a friend to find the piston wall clearance for his 2nd hand mahle piston.
Pls do kindly share if you know.
Thanks
Pls do kindly share if you know.
Thanks
#4
Evolving Member
iTrader: (20)
I have mine at .0028. The first 4g63 I built I set them at .0033 and had a lot of piston slap when on E85. Mahle pistons do not expand as much as the other manufacturers. IIRC the suggested PTW is .0023-.0033 but you're better off calling them since it has been over 2yrs. There is another guy on here that likes Mahle also (94awdcoupe)?
Last edited by laramie_05MR; Mar 27, 2012 at 11:15 AM.
#5
EvoM Guru
iTrader: (1)
i've just built my engine with Mahle 86mm pistons.
They are hard to measure because of the skirt coating on them.
I machined my bores to 86.000mm and put them in, that is what Mahle told me to do.
The coating is an inconsistant thickness so if you machine the bore to suit the piston skirt, it will not be accurate.
They are hard to measure because of the skirt coating on them.
I machined my bores to 86.000mm and put them in, that is what Mahle told me to do.
The coating is an inconsistant thickness so if you machine the bore to suit the piston skirt, it will not be accurate.
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