Ford Pre-ignition

[markdett]

My daily has started to Pre-ignite. Its a 4L EF falcon. Haven't really fucked with Fords before, but is the ignition timing adjustable? Also have heard if its caked up with carbon that can cause pre-ignition (carbon deposits heat and ignite the mixture). Only does it when its at op temp. Help appreciated :)

[-Luke-]

Italian tune up time, likely to be carbon build up

[markdett]

^ the fix?

[fieldy]

Can buy an additive to add to your fuel that reduces carbon build up.

[-Luke-]

take it out and hurt it, or see if you can find somebody that still uses carbon clean and get it cleaned out. It is possible the dizzy has jumped a couple of teeth, but pinging only when hot would suggest carbon buildup

[markdett]

Thanks guys, My works got a ton of different carbon cleaner. Might try the subaru cylinder spray, That shit works a treat. Even run a vatek through it seee how that goes.

Also doesnt run dizzy, has coils.

[-Luke-]

That subaru shit is good stuff, you used to be able to get a cleaner that was pump into the fuel rail and cleaned the injectors and cylinder head,it banned a few years back cause it caused cancer in baby albino dolphins or something along those lines..... :D

[markdett]

Yeah we got that too. Its called Injector max, pour it into this cylinder which has a pressure gauge, air line and a line which feeds into your fuel rail. Connect the airline, adjust the pressure and your rolling. Dunno how good it works but.

[-Luke-]

green and white can's? (dont tell the EPA :D)

[markdett]

Yep green and white, think made by fortron?

[-Luke-]

yeah right, i was under the impression it got banned. They may have changed the active ingredient?

[South]

Being an EF its got a coil pack, timing is set.

Rape it to clean it out

[markdett]

Another issue thats baffled the fuck out of me is, Ill drive around and the thing wont overheat, park the car up, come back in 5 mins to start it and boom the needle reads all the way hot. Start the car and let it run for a few minutes and its fine again :s

[_oz]

That sounds like excessive heat soak, my GTR does that too on a really really hot day but not so much where the needle actually moves but on the PFC, when i turn it off it rises from 80 degrees to about 85-88 depending on the day. As soon as i turn it on and the water pump is operating, all the hot water at the top evens out and temp goes down to 80 degrees again.

FYI pre-ignition and detonation are two different events, If your engine is still alive your most likely getting detonation, not pre-ignition :P

[markdett]

FYI pre-ignition and detonation are two different events, If your engine is still alive your most likely getting detonation, not pre-ignition :P
Yeah you could be correct there, either way its ingniting the air/fuel at the wrong stage. Wheather it be air/fuel igniting before spark (pre ignition), or igniting the end gas (detonation). Ill give it a carbon clean and see what happens.

[Tocchi]

EF falcon - that's your problem... much hate for EF's ... best bet is to "clear it out" ... hammer the car.. should work a treat

[esky]

didn't your ef run 10.8 at the drags last night?

[Tocchi]

lol hell no... that would of most likely been Rod's ... he's got a new motor he's wearing in. so the high ET seems on the mark

[Turbo2.6L]

Nope, wasn't Rod's. Pretty sure it was your old shitter

[Tocchi]

if that was the case fuck yeah :) but the owner flew out to work 2 days ago (tuesday) so cant be :(

[Phyber]

Cars go faster when they are your mates and he's out of town?

[Turbo2.6L]

Looked pretty tidy from a distance, so may not have been your old one on second thoughts :p