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LT1 MAF - How much boost?

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Old Jun 17, 2009 | 09:32 PM
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Default LT1 MAF - How much boost?
How much boost on a T76 turbocharged LT1 before the MAF would need to be switched to speed density? thanks.
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Old Jun 17, 2009 | 10:33 PM
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.01lbs boost i would switch to 2 bar SD, first thing i did when i bought my car
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Old Jun 17, 2009 | 10:44 PM
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Originally Posted by Grr
.01lbs boost i would switch to 2 bar SD, first thing i did when i bought my car
Thanks for the info. All I need is a 2 or 3 bar MAP sensor correct? But where do I install it/how does it run/will it need a tune right away?
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Old Jun 17, 2009 | 11:04 PM
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Originally Posted by boosted4life
Thanks for the info. All I need is a 2 or 3 bar MAP sensor correct? But where do I install it/how does it run/will it need a tune right away?
it replaces your stock MAP sensor and yes you will need a tune right away.
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Old Jun 18, 2009 | 12:47 PM
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I ran 5psi on my 96Z28 with a P1SC procharger and the MAF wasnt maxed out on it...
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Old Jun 18, 2009 | 01:05 PM
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give me some details on your car again, i know its a t76 383, but what injectors are you using and do you have tunercats availible?
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Old Jun 18, 2009 | 02:05 PM
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Originally Posted by Grr
give me some details on your car again, i know its a t76 383, but what injectors are you using and do you have tunercats availible?
its actually a 355 t76, 60lb injectors. Yes, I know a tuner that can tune for me with tunercats but he is about 2 hours away.
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Old Jun 18, 2009 | 02:37 PM
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my car maxed the maf at the track around 8 pounds of boost.
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Old Jun 18, 2009 | 02:56 PM
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Originally Posted by shankels94ta
my car maxed the maf at the track around 8 pounds of boost.
Ls1s max out at 8 psi also, at least mine and a few others here in my part of town.
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Old Jun 18, 2009 | 03:02 PM
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do you have the software to do it yourself? if so and you have a wideband i can send you my file, im only running about 10psi currently on pump gas, but it would be a very good start. Took me a lot of work to get it so it has good cold start manners and idle, i am running 60# injectors at 48psi base pressure and its set a tad rich as of yet. I would buy the sensor and if you can load the file in and try it, only takes 5min to change it
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Old Jun 18, 2009 | 07:55 PM
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Originally Posted by Grr
do you have the software to do it yourself? if so and you have a wideband i can send you my file, im only running about 10psi currently on pump gas, but it would be a very good start. Took me a lot of work to get it so it has good cold start manners and idle, i am running 60# injectors at 48psi base pressure and its set a tad rich as of yet. I would buy the sensor and if you can load the file in and try it, only takes 5min to change it
I dont have the cable or software. I do have a wideband though. Right now I am running like 11:1 wide open.
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