HI all
Quick introduction as my first post is a mechanical issue lol
I have V3 STI with SC42 twin scroll conversion, Deatchworks 740 injectors, HDI FMIC, Walboro fuel pump, ESL ECU, forged short block with cosworth pistons. Its running mafless too
OK here's the issue:
Since having the twin scroll conversion done the car is really difficult to start sometimes when cold or left overnight. I literally have to have the accelerator flat to the floor to get it to fire up, and when it does it fires up lumpy at about 100, then climbs to 1500 after a while and is fine.
However its intermittent - wont do it all the time, sometimes she fires up perfectly?
But another issue which im sure is related is - if I drive the car up to temp then park up and let it cool for say an hour, when I start her up again the engine fires up literally as soon as it starts to crank over - almost as tho its starting too easily? If that makes sense? It will start when it does this but again limping on at 100, then if I blip the throttle it seems to sort itself out.
Both of these issues are intermittent and seem totally random, but its happening so often now that I just want it sorted.
Racedynamix has looked at the map twice now so pretty sure the map side if things is fine.
So far I have replaced - Brand new Subaru Oxygen sensor (genuine part), Brand new Walboro fuel pump,
I have ordered a new Crank sensor from ICP to see if that helps, and I also have brand new coil plugs to fit
Anyone have any ideas at all?
Cheers
Alex