Granatelli MAF fixes A/F!
Granatelli MAF fixes A/F! 
06-23-2006, 05:37 PM
#6
12 Second Club
iTrader: (1)
Join Date: May 2005
Location: Bradenton, FL
Posts: 684
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by qwikz28
its got a lid and a catback, of course its gonna be lean. but the a/f line is dead straight and very consistant. from a factory tune?
Your A/F is WAY off.
In fact, it's dangerously off!!!
At 2k you're around 14.2 to 1.
3k 13.8
4k 13.6
5k 13.5
6k 13.4
You SHOULD be reading 12.5 to 1 on the dyno wideband. (that's about 12.8 on the street).
You're missing out on a decent amount of power, especially in the low end. Lean hurts tq down low a lot.
06-23-2006, 06:13 PM
#7
i know i made this thread out of boredom to be honest. it was meant to be sarcastic. i got a set of headers but i've been scared to put them on cause of how lean the car is. i'm assuming its cause of the MAF cause all other cars i see with similar mods are no where near as lean as mine. it just sucks cause i sold my stocker to someone who really needed it asap. 
to make a long story short: aftermarket MAFs blow my crotch
hey bill. let me know if your ever coming by the northern part of the state. i finally ordered h/c and i'm gonna need a baseline tune 
to make a long story short: aftermarket MAFs blow my crotch
Originally Posted by foff667
being at 13.5:1 for the most part on a dynojet your probably closer to 14.0:1 on the street which is super lean, thats far from being "fixed" it means you need a tune lol. Besides, a few runs on a dyno in one gear only gives part of the story 
Trending Topics
06-25-2006, 09:39 PM
#8
12 Second Club
iTrader: (1)
Join Date: May 2005
Location: Bradenton, FL
Posts: 684
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by qwikz28
i know i made this thread out of boredom to be honest. it was meant to be sarcastic. i got a set of headers but i've been scared to put them on cause of how lean the car is. i'm assuming its cause of the MAF cause all other cars i see with similar mods are no where near as lean as mine. it just sucks cause i sold my stocker to someone who really needed it asap.
to make a long story short: aftermarket MAFs blow my crotch
hey bill. let me know if your ever coming by the northern part of the state. i finally ordered h/c and i'm gonna need a baseline tune
to make a long story short: aftermarket MAFs blow my crotch
hey bill. let me know if your ever coming by the northern part of the state. i finally ordered h/c and i'm gonna need a baseline tune
FYI, sarcasm doesn't come across well on the internet, unless it's WAY over the top.
Not to be mean, but...... If you're bored, go do a puzzle, or read a book or something, don't spend time making fake posts and discouraging people who actually want to help others. That, and this kinda misinformation doesn't help anyone.
And yeah, keeping the MAF stock seems to be the most popular approach.
06-25-2006, 10:04 PM
#9
Originally Posted by silverTA2002
BOO! Bad form...
FYI, sarcasm doesn't come across well on the internet, unless it's WAY over the top.
Not to be mean, but...... If you're bored, go do a puzzle, or read a book or something, don't spend time making fake posts and discouraging people who actually want to help others. That, and this kinda misinformation doesn't help anyone.
And yeah, keeping the MAF stock seems to be the most popular approach.
FYI, sarcasm doesn't come across well on the internet, unless it's WAY over the top.
Not to be mean, but...... If you're bored, go do a puzzle, or read a book or something, don't spend time making fake posts and discouraging people who actually want to help others. That, and this kinda misinformation doesn't help anyone.
And yeah, keeping the MAF stock seems to be the most popular approach.
06-25-2006, 11:03 PM
#10
TECH Resident
iTrader: (17)
Join Date: Sep 2004
Location: NC - Charlotte area
Posts: 3,747
Likes: 0
Received 0 Likes
on
0 Posts
does your car have the stock tune in it? if so...what the hell happend to the cat converter protection? my car always wanted to go rich at WOT around 4800 or 5000rpm...it dropped from a 12.7 down to about a 12.1
06-25-2006, 11:10 PM
#11
Originally Posted by ZL1Killa
does your car have the stock tune in it? if so...what the hell happend to the cat converter protection? my car always wanted to go rich at WOT around 4800 or 5000rpm...it dropped from a 12.7 down to about a 12.1
i know the MAF is playing a big part in it but i figured the car would correct itself eventually somehow. bill (foff) has helped me clear a ton of codes my car has thrown from that stupid device. i'm thinking i might buy a stocker MAF to compare and contrast, i think i may gain some power once the PCM goes back to normal after some driving
06-26-2006, 12:01 AM
#12
TECH Resident
iTrader: (17)
Join Date: Sep 2004
Location: NC - Charlotte area
Posts: 3,747
Likes: 0
Received 0 Likes
on
0 Posts
try dialing it in....there is a right up on it somewhere...dialing in the MAF
i did it..but right now its slipping my mind quite how i did it. I think you have to do something in halfway open loop and watch the values and have a set AFR
i did it..but right now its slipping my mind quite how i did it. I think you have to do something in halfway open loop and watch the values and have a set AFR
06-26-2006, 12:12 AM
#13
Originally Posted by ZL1Killa
try dialing it in....there is a right up on it somewhere...dialing in the MAF
i did it..but right now its slipping my mind quite how i did it. I think you have to do something in halfway open loop and watch the values and have a set AFR
i did it..but right now its slipping my mind quite how i did it. I think you have to do something in halfway open loop and watch the values and have a set AFR
06-26-2006, 12:15 PM
#14
12 Second Club
iTrader: (1)
Join Date: May 2005
Location: Bradenton, FL
Posts: 684
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by qwikz28
actually i was showing my A/F ratios cause on one of the local boards these MAFs have been a big topic of debate so i figured i'd share my results since i had time. thanks for the detailed, yet worthless response.
That all said....
If you're going to keep the MAF and tune, you'll need to dial in your VE table first, then calibrate the MAF. There's a few stickies in the top of the forum that will help guide you through the process. Good luck.
06-26-2006, 09:30 PM
#15
Originally Posted by silverTA2002
Fine, share your results. But don't waste our time with sarcasm and misinformation. It doesn't do anyone good.
That all said....
If you're going to keep the MAF and tune, you'll need to dial in your VE table first, then calibrate the MAF. There's a few stickies in the top of the forum that will help guide you through the process. Good luck.
That all said....
If you're going to keep the MAF and tune, you'll need to dial in your VE table first, then calibrate the MAF. There's a few stickies in the top of the forum that will help guide you through the process. Good luck.
maybe a misleading title i guessi'm just gonna throw a stocker on there and see what changes. any idea what i should do after the heads/cam? an 85mm maf? or should i port the stocker or something?
06-27-2006, 12:31 PM
#17
12 Second Club
iTrader: (1)
Join Date: May 2005
Location: Bradenton, FL
Posts: 684
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by qwikz28
no misinformation here maybe a misleading title i guess
i'm just gonna throw a stocker on there and see what changes. any idea what i should do after the heads/cam? an 85mm maf? or should i port the stocker or something?
maybe a misleading title i guessi'm just gonna throw a stocker on there and see what changes. any idea what i should do after the heads/cam? an 85mm maf? or should i port the stocker or something?
Or, some people go mafless altogether (SD tune).
But, all debate aside, there's no large advantage to that unless your MAF is maxed out (forced induction).
06-27-2006, 06:29 PM
#18
Originally Posted by silverTA2002
Yep, just use the stock MAF. I've heard it's good to about 600hp.
Or, some people go mafless altogether (SD tune).
But, all debate aside, there's no large advantage to that unless your MAF is maxed out (forced induction).
Or, some people go mafless altogether (SD tune).
But, all debate aside, there's no large advantage to that unless your MAF is maxed out (forced induction).