Originally Posted by J871yhk
Its not an ideal engine to turbocharge, your porbably finding the limits of the combustion design.
Alex
I havent quoted myself before....
A decomression plate is a bodge!
Thats why your getting det, very bad combustion chamber design. You've change the attributes of the CChamber completely, things like squish, flame front and end gasses are now completely different to the original design.
Alex