Originally posted by Laney Am I right in thinking that if there is a gap down the side of one of the pistons I would have been losing compression and that would explain the lack of boost that i had?
The Bores seem perfectly fine on the centre pistons. Is it safe to rotate the engine on the bottom pulley so that i can see the other two bores?
I might be able to fix things sooner than i thought as i may be doing 24hrs of overtime this weekend. Thats more than £500 after tax in my pocket (although I don't get it till the end of next month).
Yes you can rotate the crankshaft pully to get the pistons up. When you re-assemble the engine you just make sure it is on TDC on the No1 piston.
A common way to check for bore and ring wear is to put two of the pistons TDC and put a little oil into the gap between the piston and the bore. go have a cup of tea and come back and see if the oil has escaped. Repeat with the other pistons.