scotty4130

After some feedback on the above dyno plot, spec is as follows,

2wd saph, t3 (14psi), blueflame system, k and n panel, chip of unknown origin.

Pulling an afr of 11.0 right to the limiter.

kosienutter

Shouldn't afr's be 14.7? Good figure for stage 1 I think.

scotty4130

Would I be right in saying 14.7 is lambda1 and the 'ideal' figure to aim for?

ClevoCapri

iTrader: (1)

No 14.7-1 is ok for cruising and idle but full throtle should be closer to 12.8-1 or richer.
You dont want to go richer than 10.5 normaly. So your 11-1 is a safe afr.

kosienutter

Oh right ok

R5FORD

iTrader: (1)

Seems to be a little low on power though? My stage one pushed out 280hp.. But then again i had a bigger I/C and air filter so thats prob where the extra 30hp came from

bluntys1rsturbo

think you would gain a tad by leaning it out slightly

tabetha

It's shit big time for the boost, my old engine was 277bhp 270TQ on same boost, same turbo, was a GGR chip then.
It being 11:1 afr is a bit rich for that boost/spec but better richer than leaner, I've no doubt it leans a lot under no boost driving.
11.5 under hardest boost shown would be nearer the mark imo, but it's safe anyway which is the most important thing.
The power and torque are made a little higher up than you'd normally expect, so maybe it's not std cams ?
I've seen a lot worse put it that way, but power is down for that boost.
tabetha

scotty4130

Its certainly down on what i expected (made 234 on std chip and boost at a different outfit). With regards to the cams, the car was standard when i got it and showed no signs that it had messed with, certainly not to the extent of changing cams. Starting to get the bits and pieces together for stage 3 and then i get a chip of a known quantity in there.

tabetha

I would check the cam timing on the inlet is not out 1 tooth, ie 1 tooth retarded, check cam pulley pointers and LUG nearest the V groove in the crank pulley NOT the v groove itself.
It is very low for the spec, though I saw worse from a VERY big name person of a stage 1 he did on a 2wd at 224bhp, lean as f**k after 5K to a defo damaging level.
tabetha

mr noisy

Ya sure is not great and not very smooth either

Im running a 2wd with a t3 on gray's with level 8 ecu and chip for grays and pulled 329bhp with 355tq pull's very well running 25psi so next is a t34 with roller bearing