engine compression mercury 150 v6 efi

[sarel]

hello,<br />if anyone know what is the normal compression<br />on mercury 150 v6 efi,my reading is 150 psi<br />at all cil

 

[Fouled Plug]

Re: engine compression mercury 150 v6 efi

Most important is that all cylinders are within 15% of each other.

 

[clanton]

Re: engine compression mercury 150 v6 efi

1992/99, 110 to 135.

 

[Nitro_boy]

Re: engine compression mercury 150 v6 efi

My 97 efi 150 tested at 100 on all cylinders and the mechanic didn't seem worried about it. SHould I be worried?