cam timing is retarded after 1mm head put on

[Naz-b23]

i ported and polished my head installed every thing to manufacturers specification eg timing but now he timing is retarded its pinging quite bad and lost best part of 15bhp

how can i solve this any help would be nice also if u have done this before pics would be nice

my engine is a cga3de

 

[frank]

file the dowels naz, plenty of info on here

 

[Naz-b23]

i had a look on the page frank what would u recommended me doing just leave the exhaust timing and just advance the inlet only

 

[frank]

it might be your retarded cam sensor that is making it "pink" tbh mate, but you probably need to advance both cams to get the hp

 

[skymera]

it might be your retarded cam sensor that is making it "pink" tbh mate, but you probably need to advance both cams to get the hp

Bit harsh there about that cam sensor mate.