Does anyone know if I have to get my car tuned right away after putting a 3.4 pulley on I have done the ubend and down pipe mods as well as the cold air thermostat and colder plug mods and am running e85 any input helps
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04-04-2012
Does anyone know if I have to get my car tuned right away after putting a 3.4 pulley on I have done the ubend and down pipe mods as well as the cold air thermostat and colder plug mods and am running e85 any input helps
04-04-2012
did you upgrade injectors when you switched to e85?
And if I'm reading this right you've only done a downpipe, intake, plugs and thermostat.
So no plog?
And a 3.4 pulley?
04-05-2012
I haven't done put the pulley on yet but I went up two sizes in injectors have a 160 tsat and went to 3 inch down pipe bak and 3 heat range colder plugs no plog yet,k&n cai, and ordering a zzp custom PCM
04-05-2012
So your running 60# injectors and e85 on the stock tune? Put a 180 thermostat in it or even a stock one. Your running al 103's?
04-05-2012
I assume u mean auto lite 103s and no I'm running ngk I can't remember the number and its running great
04-05-2012
160 is too cold, and 103 are too cold.
So run a 180 and whatever 104's are in ngks
04-06-2012
Ok and do I need a tune ASAP if I put the 3.4 on I have 0 k right now
04-06-2012
Will all depend on how the car takes the pulley drop.
04-06-2012
Ok do I won't know until I do the drop and scan for kr
04-06-2012
Put the pulley on and scan. That will answer your question
04-06-2012
You kind of need to tune for ethanol, or buy a tuner, your car may be running right now because of the 30% or so larger injectors, but that isn't the right way of doing it. Once you get it tuned safely for ethanol and your injectors, then you can play with pulley sizes.
04-06-2012
If you get a real tune for the E85 you could probably run the 3.4 pulley but i'd throw headers on if i were you too. Then you could go smaller still most likely.
04-07-2012
double post
04-07-2012
While I am completely lost and confused by this thread... Here are some facts.
If you put e85 and 42# injectors in a stock gtp, you can basically run a 3.2 pulley without tuning and probably without exhaust mods.... and it would work pretty darn well. The stock tune on these cars is extremely underrated.
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