question about the SAFC II

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question about the SAFC II

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question about the SAFC II - 9/30/2007 9:54:23 PM

96tsi

Posts: 22
Joined: 1/24/2006
Status: offline

I have a 96 talon tsi with a t/3t4 hybrid 57 trim turbo, walbro 255 fuel pump, B&M command flow fpr, 750cc injectors etc... I am tuning with a SAFC II right now but i was going to build the bottom end of my car this winter and push some more boost to it. I was wondering if there is a limit as far as how much boost you can push with the SAFC. I am not trying to make an all out drag car. it is just a nice car to take out on weekends and have some fun with, still has a/c and power steering but i didn't know if i would have to get dsm link after a certain amount of boost to keep up with the fuel flow and everything else. any help is appreciated. thanks

Post #: 1

RE: question about the SAFC II - 10/1/2007 12:45:31 AM

Sebba

Posts: 14467
Joined: 2/20/2006
From: San Antonio, TX
Status: online

Not really a limit as to the amount of boost. That has ntohing to do with the SAFC... The SAFC will only limit you to the quality of the tune.

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These cranks are made for walkin'', and thats just what they''ll do, one of these days these cranks are gonna walk all over you

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Post #: 2

RE: question about the SAFC II - 10/1/2007 4:54:12 AM

TheEngineer

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Joined: 1/25/2006
Status: offline

Well actually there is a limit to the SAFC because there is only so much tune you can do with it. And as you need larger injectors, the safc will start to be not enough. Actually id say where your at now is too much for the safc. The 750's are pretty large for it to handle. Do you have a wideband guage. Exactly how is it tuned now. If it were me i would definetly get DSMlink

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ORIGINAL: pilsenblue
Even tho My car looks great It will never be fast. Kinda like a hot girl that dosent give it up

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Post #: 3

RE: question about the SAFC II - 10/1/2007 12:06:15 PM

Sebba

Posts: 14467
Joined: 2/20/2006
From: San Antonio, TX
Status: online

I hope you werent dissagreeing with me lol.

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These cranks are made for walkin'', and thats just what they''ll do, one of these days these cranks are gonna walk all over you

(in reply to TheEngineer)

Post #: 4

RE: question about the SAFC II - 10/2/2007 6:11:25 AM

96tsi

Posts: 22
Joined: 1/24/2006
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it was tuned on a wideband. it is at 16 lbs now. the afr gauge said it was running at 14.8

(in reply to Sebba)

Post #: 5

RE: question about the SAFC II - 10/2/2007 9:44:17 AM

Sebba

Posts: 14467
Joined: 2/20/2006
From: San Antonio, TX
Status: online

Thats a little leaner than i would personally run.

What im trying to convey, is the SAFC II only limits you to the quality of your tune. There is no real 'boost limit' for SAFC, just as much as the tune will allow.

_____________________________

These cranks are made for walkin'', and thats just what they''ll do, one of these days these cranks are gonna walk all over you

(in reply to 96tsi)

Post #: 6

RE: question about the SAFC II - 10/3/2007 6:15:27 AM

TheEngineer

Posts: 10458
Joined: 1/25/2006
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quote:

ORIGINAL: 96tsi

it was tuned on a wideband. it is at 16 lbs now. the afr gauge said it was running at 14.8

thats at idle, which doesnt say anything. You need to know what it is running during full boost. I personally think you are gonna have a hard time tuning with the safc with those mods. you need more

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