Yet another RR thread for me :)

right my car is down with leighton yet again but now it doesn't have a boost leak (or it didnt before i changed to nigels group buy hose clips anyhow how)

soo anyway my car now has another new manifold on as last time was cracked when Flea mapped it so MAY have affected afr reading very slightly but not alot, but the boost leaks was definatly an issue causing pulsating boost as one leak was only occuring after 1.2/3 bar of boost

soo flea is now gonna finally fine tune it completely and then back on the rollers i go and we gonna tweak the boost upjust a little bit more too this time to SEE if it makes much difference or not.

hello luke it should be good if you have sorted the boost leaks,what boost will you be running

Sounding good Luke

I think you'll make 370bhp and 310ft/lb.

Ben

yeah it should be

Boost will be 1.7bar (cough . . Cough) only now and again it will be run at that tho

Main setting will be 1.4 I think but flea has my permission to try few things out so we will see

looking forward to see your results luke!

what turbo do you have?

Gt3071r

ok soo i did still have major boost leak coming from my thrttle body too plenum Leighton (flea) has now fixed this and my boost is not wavering anymore as im told

finally getting the niggles sorted out with my car it seems.

Big chunk of the gasket missing, you coud feel the draft with the bonnet closed

Zero boost leaks, she now holds what is required very nicely

1.4bar
350bhp @ 6757rpm
290lbs/ft @ 5940rpm
314bhp wheel power @ 6633rpm

1.65bar
366bhp @ 6835rpm
299lbs/ft @ 5522rpm
327bhp wheel power @ 6682rpm

So making good power no doubt, although there is room for improvement as the torque is lower than average. Increasing the boost made more power but only 10lbs/ft more torque, you would expect to see 20-30lbs/ft on a GT3071R. While there could be a number of reasons for this the most likely culprit is the peashooter exhaust causing excessive back pressure. Luke is unsure of the downpipe but I am 99% confident it is only 2.5" (an original H&S downpipe) with a 2.5" exhaust all the way back, too small for Luke's application.

Yes a 3" DP with and 2.75" or 3" exhaust should unlock the "missing" power. It made a major change to my power when I changed over. Getting rid of any exhaust back pressure can only be beneficial. What is the full spec?

hi where do i start on tunning my 20v turbo if i just stick a bigger turbo on do i need to change injectors can anyone tell we were to begin please

You start here:

http://www.fiatcoupeclub.org/forum/ubbthreads.php?ubb=showflat&Number=658825#Post658825

cheerspal how much it cost you so far to get to that bhp