Another Top Mount Setup
01-28-2011, 09:55 AM
#251
Boostin'
Thread Starter
After making a few more intakes for O9Factors car, its probably the MAF too close to the turbo...
Maybe you should just drive to AZ instead of flying us out to CO?
Then 15 psi
Maybe you should just drive to AZ instead of flying us out to CO?
Then 15 psi
01-28-2011, 11:13 AM
#253
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...that is alot of bOOOsssst!!! (well...relatively speaking) When i get my 20B we'll see just how high that bad boy goes
Ill def make a trip out to AZ...just dont know if i'll do it on R&R. If im feelin froggy tho...ill make a trip out...in the next couple o weeks...
E-magic...you got a new MAF configuration on hand to entice me...??
01-28-2011, 11:48 AM
#256
MM, I am having the exact same issue as Jamaalsmith. And I have started to leave it in gear when decelerating which has prevented stalls. Old habits die hard though and I want to put the car in neutral when coming to a stoplight or sometimes want to coast and take it out of gear.
01-28-2011, 02:30 PM
#258
Londons Yellow Peril
Hi all great and interesting thread I have just read through. No doubt I ahve missed stuff, but I have manflu, so thats my excuse.
1. Congrats on the build and the numbers!
2. Question. I am thinking that the tuning was done with stock ECU and MAF via accessport combined with dyno tuning? Is that correct? There is no outboard ECU being used...?
How did you deal with the MAF? Is the intake MAF mount pipe just bigger dimensionally and scaled up to accomodate high air flow and trick the MAF into thinking that what it thinks is X is in fact Y (y being the real and bigger number?) Then that is combined with bigger injectors etc to flow the correct amounts all with OEM ECU?
Sorry for ignorance or missing something written earlier....
Is the current stall happening while coming off throttle and coasting (i.e. instant stall off throttle), or only when revs drop to idle?
1. Congrats on the build and the numbers!
2. Question. I am thinking that the tuning was done with stock ECU and MAF via accessport combined with dyno tuning? Is that correct? There is no outboard ECU being used...?
How did you deal with the MAF? Is the intake MAF mount pipe just bigger dimensionally and scaled up to accomodate high air flow and trick the MAF into thinking that what it thinks is X is in fact Y (y being the real and bigger number?) Then that is combined with bigger injectors etc to flow the correct amounts all with OEM ECU?
Sorry for ignorance or missing something written earlier....
Is the current stall happening while coming off throttle and coasting (i.e. instant stall off throttle), or only when revs drop to idle?
01-28-2011, 06:23 PM
#263
Most people that want "X" horsepower have no idea how that drives or what that really means.
I will take a 280 HP car with a relatively flat 300 ft/lb torque curve over a 400 HP car (with almost any typical torque curve that goes along with that kind of power)
any day.
01-28-2011, 06:52 PM
#264
Yeah, but it is pretty easy to find examples that have more of one than the other at one end of the RPM band or the other.
Most people that want "X" horsepower have no idea how that drives or what that really means.
I will take a 280 HP car with a relatively flat 300 ft/lb torque curve over a 400 HP car (with almost any typical torque curve that goes along with that kind of power)
any day.
Most people that want "X" horsepower have no idea how that drives or what that really means.
I will take a 280 HP car with a relatively flat 300 ft/lb torque curve over a 400 HP car (with almost any typical torque curve that goes along with that kind of power)
any day.
01-29-2011, 02:07 AM
#266
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Yeah, but it is pretty easy to find examples that have more of one than the other at one end of the RPM band or the other.
Most people that want "X" horsepower have no idea how that drives or what that really means.
I will take a 280 HP car with a relatively flat 300 ft/lb torque curve over a 400 HP car (with almost any typical torque curve that goes along with that kind of power)
any day.
Most people that want "X" horsepower have no idea how that drives or what that really means.
I will take a 280 HP car with a relatively flat 300 ft/lb torque curve over a 400 HP car (with almost any typical torque curve that goes along with that kind of power)
any day.
Hey!! i resemble that remark... lol
01-29-2011, 04:21 AM
#267
MM; Post 245 was a question you might know the answer for?
01-29-2011, 05:43 AM
#268
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Hi all great and interesting thread I have just read through. No doubt I ahve missed stuff, but I have manflu, so thats my excuse.
1. Congrats on the build and the numbers!
2. Question. I am thinking that the tuning was done with stock ECU and MAF via accessport combined with dyno tuning? Is that correct? There is no outboard ECU being used...?
How did you deal with the MAF? Is the intake MAF mount pipe just bigger dimensionally and scaled up to accomodate high air flow and trick the MAF into thinking that what it thinks is X is in fact Y (y being the real and bigger number?) Then that is combined with bigger injectors etc to flow the correct amounts all with OEM ECU?
Sorry for ignorance or missing something written earlier....
Is the current stall happening while coming off throttle and coasting (i.e. instant stall off throttle), or only when revs drop to idle?
1. Congrats on the build and the numbers!
2. Question. I am thinking that the tuning was done with stock ECU and MAF via accessport combined with dyno tuning? Is that correct? There is no outboard ECU being used...?
How did you deal with the MAF? Is the intake MAF mount pipe just bigger dimensionally and scaled up to accomodate high air flow and trick the MAF into thinking that what it thinks is X is in fact Y (y being the real and bigger number?) Then that is combined with bigger injectors etc to flow the correct amounts all with OEM ECU?
Sorry for ignorance or missing something written earlier....
Is the current stall happening while coming off throttle and coasting (i.e. instant stall off throttle), or only when revs drop to idle?
01-29-2011, 08:04 AM
#270
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Good q Kane. I'll def get the log when i get home. I'm not even going to hazard a guess whether its going rich or lean. Jeff, did you pull almost all the fuel @ no throttle? I understand its probably not the tune and the MAF design reversion is probably messin with the readings.
01-29-2011, 08:32 AM
#271
i know i have a different set up but i also had that problem one time and it ended up being a intake line(not vacuum line) --somewhere-- that wasnt working right. MAF couldnt stabilize because of the venturi affect at higher rpm. It wasnt enought to notice on my a/f's, but just engough to mess with the idle after sudden decel.
01-29-2011, 09:22 AM
#272
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i know i have a different set up but i also had that problem one time and it ended up being a intake line(not vacuum line) --somewhere-- that wasnt working right. MAF couldnt stabilize because of the venturi affect at higher rpm. It wasnt enought to notice on my a/f's, but just engough to mess with the idle after sudden decel.
01-29-2011, 02:31 PM
#273
Londons Yellow Peril
if its stock MAF, which I think hits peak g/s airflow on normalish size intake at 365g/s, how did you set it up for the crazy big power you are getting?
