Robliddle

Turbo engine starts to pink when comes on boost, ive been told to retard the ingnition a little to cure the problem while im running in. is this correct?

Oranoco

Firstly is it on the right fuel?

I had loads of problems with mine pinking and in the end I just took the dizzy timing back a degree or so. Never done it since and made good power on the rollers

davidreader5

IF its on good fuel super unleaded, and the fuel system is functioning
as it should, then you can as above retard the ignition but i would
just check your boost presure is correct , and just turn it down till
it stops pinking either way you lose power, but you need to stop the
pinking or det before you do some serious damage,


DAVE R

bassboy

if you have access to a timing gun then make sure its set at 12degrees advanced with the vacuum off...also i see your running the engine in? engine shouldnt have the chance to pink...shouldnt be driving above 3k rpm any way?

would double check the timing and make sure its on 12 deg adv with vacuum off...its the standard figure for RST's...when the engine is run in and if you have a aftermarket cam then ask the person who sets it up to dial it in properly for u

bassboy

Oranoco

Pinking is down to ignition timing not cam timing so this won't help

davidreader5

The cause of pinking ie timing, but just incase the noise is wrongly diagnosed, ie could be detonation, so to cover yourself, check timing
air fuel ratio,(to lean) spark plugs wrong grade etc, to much boost
fuel pressure etc, just check the basic setup ignition timing 12deg, btdc.
at idle speed approx 850-+50 rpm. souds like it just needs a check up.

DAVE R.