raywang5

i found this after my first dyno, the air fuel ratio concerned me, this is the custom tune from brenspeed.

hammeron

i'm curious, do you hear pinging if you go heavy on
the pedal driving around?

my untrained eye says the MAF transfer function table may
need some tweaking (assuming everything else in the tune
is correct).

BruceH

I'm guessing analog 1 is boost. I don't see the problem. The af is a little lean going to a hair over 12 in part of the pull. The first part is a little rich at 14:1 with no load.

Again, this is an untrained opinion based off of all my tuning sessions.

hammeron

i think you're right, now that i opened up the other eye
and saw there are two lines down below.....
it doesn't look that bad.....

BruceH

I forgot to mention the numbers look pretty good. 12 psi peak, I'm guessing a centri of some kind. I wonder why the dyno place gave you std correction?

Anyway if I was to guess I'd say Paxton HO. Any more info to share?

raywang5

ye, i wonder why harmmeron didnt tell u lol, its a paxton novi2200 HO with brenpseed tune. i just put the blower by myself in the weekend,(i was hoping some of my friend could help, damit none of them have time, so i decide do it myself lol).. no more mods except hurst short throw shifter, i m pretty happy with the result, CANT believe i did this by one man..

so u are saying i m going to get worse fuel econmy like 20%-30%, nothing else? will adjust the KENNEL BELL BAP fix this cuz it is running rich at the beginning?

raywang5

at high rpm? didnt notice, is high octane suppose to fix pinging?( that what u told me bro ), but feel some lag when shift from 1st to 2nd, i guess thats the shifter or transmission problem,and a bypass valve sounds like i blowed my motor, every time after heavy load....

btw, as u mentioned MAF, u know that the factory MAF sensor is not long enough to reach the paxton air filter tube, i need to splice another 5 lines to reach the MAF connector, so maybe there were a bad connection in them?

hammeron

my pinging question was because i was looking at the wrong
line at the bottom. it looks pretty good overall and good job
on the install.

raywang5

thank you man, just be rdy, i have tons of question for u at July. lol.

hammeron

lol i'll be ready