Piston protrusion specs,,,Im so confused | Cummins Diesel Forum I'm in the process of putting together a 12 valve for a conversion project The block needed a 0 020 overbore and I waited for like four months for some Mahle motorsport performance cast pistons What I don't understand is how much piston protrusion is acceptable before a thicker head gasket is
Piston Protrusion Over Spec. What Head Gasket? The problem: I measured my piston protrusion over the wrist pin as the manual instructs and had a couple of pistons that are a bit out of spec coming in with a total protrusion of 0 022" The service manual says that min protrusion is 0 006" and max is 0 019" and if you are outside this range then you have a problem
Headgasket thickness PTV compression HELP | Cummins Diesel Forum For piston protrusion I have tried to find exact figures for my 97 I read one thread that posted 0 024-0 028 protrusion is oem spec Mine being 030- 034 if I went with a 010 over head gasket I'm assuming I would lose a little bit of compression across the board but also increase my PTV
Protrusion, CR | Cummins Diesel Forum Currently, the protrusion is at the level of 0 035 (0 9 mm) What should I do? A thicker gasket (hardly available in Europe) and a protrusion of 0 025 or lower the top of the piston by 0 005 and keep the protrusion at 0 030? Can these pistons be machined at all? Thanks for help
Piston protrusion | Cummins Diesel Forum Hey I just finished installing my pistons and was going through to check the protrusion and number 1 was in aspect 25 thousands but the rest where all at 35 thousands Im not sure what to do about this should I run the 10 thousands over head gasket or try to fix it The block was cleaned up at
Head Gasket kit-which gasket is thicker? | Cummins Diesel Forum The gasket thickness is determined by piston protrusion above the block Measure the protrusion any thing above 030 use the thicker gasket marked by two holes anything les use the thinner one marked by one hole
Injector Tip Protrusion. . . Risk of hitting pistons? Is there any risk of the injector tips being hit by the piston if too thin of seal washers are installed? Are there any other risks? Reason I ask is because upon reassembly of changing my head gasket, I checked the tip protrusion on each injector before putting the head in They were all WAY
Just a fyi with Genuine Cummings head gaskets - Dodge Cummins Diesel Forum Using the average piston protrusion recorded earlier, determine which head gasket is needed from the following table: Head Gasket Determination Average Piston Protrusion Head Gasket Grade >= 0 30 mm [0 012 in] Thick < 0 30 mm [0 012 in] Thin The head gaskets for 5 9 L engines without EGR and 5 9 L engines with EGR with oversize pistons or repair