gm s/c reflash timing, what is it? - Tuning Forum

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gm s/c reflash timing, what is it?
Sunday, November 25, 2007 9:18 AM
Wondering what is the timing on the m45 gm s/c reflash, like 13 degrees?





Re: gm s/c reflash timing, what is it?
Sunday, November 25, 2007 9:25 AM
Where? Its a 12x12 grid of timing values...





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Re: gm s/c reflash timing, what is it?
Sunday, November 25, 2007 9:46 PM
im not sure Ron, is it like 13 degrees of timing for example cause i know they say the gm s/c reflash pulls alot of timing.




Re: gm s/c reflash timing, what is it?
Monday, November 26, 2007 10:17 AM
as he said , the timing table is huge , and has close to 100(example #) different values in it







Re: gm s/c reflash timing, what is it?
Monday, November 26, 2007 10:41 AM
^ Actually it has 221 different values...

Quote:


example cause i know they say the gm s/c reflash pulls alot of timing.


It would be more accurate to say: "The GM S/C reflash does not have as much timing advance as the stock tune". There are 221 different values in each of the timing tables, there are 4 different timing tables so basically there are 884 different values between the S/C flash and the stock flash. Some of the S/C timing numbers are higher (usually before boost is hit), and many of them are lower, ranging from 1 degree lower to 13 degrees lower. Because there are 884 different timing numbers in 4 tables, then these numbers are modified by the IAT, CLT, and other sensors, you can't say that the timing is X degrees, it depends on which table the timing is being calculated from, and what the other sensors are saying.





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Re: gm s/c reflash timing, what is it?
Monday, November 26, 2007 12:05 PM
yeah i kinda figured it was alot more , just didnt know the exact or near exact , which is why i used example

i was originally gonna use 1000 , lol






Re: gm s/c reflash timing, what is it?
Monday, November 26, 2007 12:51 PM
Ron, i think he care's about the PE, 3600 and over, 115 KPA and higher.

from memory (1.5 years ago) it was around 12-14 adv.


Some one past a pic of the cells of PE 2 bar, vs PE 1 bar.


Chris


'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08

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