What do you use to retard your timing?
08-25-2004, 08:26 PM
#1
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What do you use to retard your timing? I was looking into getting a timing tuner, so I can still run my car with the N/A tune on the street. I dont really want to have to put in two different tunes every time that I run the nitrous. How are you guys doing this? Any help and suggestions would be great!
Wes
Wes
08-26-2004, 08:30 AM
#2
You can put a resistor where the IAT goes to trick the computer into thinking the air is real hot, and it'll retard timing accordingly. Only a couple of degrees, though. Or, if you're going to tune it with ls1edit or hp tuners, you could adjust the timing tables for that intake temperature & use a relay on it, so when you spray the resistor switches in, the IAT shoots up and the computer uses the timing you put in the table for that temp range.
08-26-2004, 08:55 AM
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08-26-2004, 10:47 AM
#6
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I haven't tested this yet since I have sprayed this year yet... but I believe this should work... (requires HPT or some PCM editing software)
for low IAT values I just pull timing... since I don't drive the car in the winter/really cold weather should work fine
but the resistor mod should work fine too on a stock PCM w/out editing ... looks like 122* or higher it pulls 3*, 113 pulls 2, 104 pulls 1
for low IAT values I just pull timing... since I don't drive the car in the winter/really cold weather should work fine
but the resistor mod should work fine too on a stock PCM w/out editing ... looks like 122* or higher it pulls 3*, 113 pulls 2, 104 pulls 1
08-26-2004, 12:05 PM
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Originally Posted by c5ls1vette
Get the Ramchargers timing tuner it works great. It plugs into the crank sensor.
Do a search on the timing tuner and you will get alot of information.
Do a search on the timing tuner and you will get alot of information.
that's what I have
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06-20-2007, 11:56 AM
#11
Originally Posted by LS1M
You can put a resistor where the IAT goes to trick the computer into thinking the air is real hot, and it'll retard timing accordingly. Only a couple of degrees, though. Or, if you're going to tune it with ls1edit or hp tuners, you could adjust the timing tables for that intake temperature & use a relay on it, so when you spray the resistor switches in, the IAT shoots up and the computer uses the timing you put in the table for that temp range.