Do I need a tune?
if you are the type to want to know stuff going on with you car, as I believe you are, otherwise you would not have played with the headers
to install a wideband you have to find a place to put the gauge and you need to have a O2 bung welded in place.
or
You can call Weav's guys:
http://www.lt1pcmtuning.com/
and pick their brains, buy a tune and call it a day.
did you try backing off on the timing as and experiement?
if you are the type to want to know stuff going on with you car, as I believe you are, otherwise you would not have played with the headers
to install a wideband you have to find a place to put the gauge and you need to have a O2 bung welded in place.
or
You can call Weav's guys:
http://www.lt1pcmtuning.com/
and pick their brains, buy a tune and call it a day.
did you try backing off on the timing as and experiement?
if you are the type to want to know stuff going on with you car, as I believe you are, otherwise you would not have played with the headers
to install a wideband you have to find a place to put the gauge and you need to have a O2 bung welded in place.
or
You can call Weav's guys:
http://www.lt1pcmtuning.com/
Another one to consider is member Mseven on here and at Guru. He's good too!
if it is ECM related
forgot to add, when you have the timing backed off, do the fuel thing again, that combo is serious rich...double whammy,
drive and report
Last edited by slickfx3; Jul 8, 2010 at 09:10 PM.
The Best of Corvette for Corvette Enthusiasts
Hi Gregory,
Yes, my tune will fix it, for two reasons. The first is because your ECM runs in speed density mode (no MAF sensor), which uses set VE tables in the tune to calculate fueling. Those tables need adjusted whenever you change something on the car that will affect airflow. The second reason is that the EGR system adds timing when it runs, and when it's not installed on the engine but it's still running in the ECM, those timing changes can cause surging/stumbling.
You have two options to address both of those issues; I can send you a single chip adjusted for your mods ($100, Postal Power Tune), or you can rent one of my tuning kits that will let me fine-tune it through email for exactly how it's running ($185 for one week, Cable Loan Power Tune; see http://www.lt1pcmtuning.com/service/#Cable for more). Either way, you will need a piggyback adapter to install the new chip, which you can buy for $35 from Moates (link given when you order from me).
Let me know if you have any more questions! Otherwise, you can start the order process anytime at http://www.lt1pcmtuning.com/service/customer.php
So slickfx3 you were right all along. Thanks for the lead. I think I am gonna get the cable and go that route.
Last edited by rogerdoger1993; Jul 8, 2010 at 09:54 PM. Reason: More information
Hi Gregory,
Yes, my tune will fix it, for two reasons. The first is because your ECM runs in speed density mode (no MAF sensor), which uses set VE tables in the tune to calculate fueling. Those tables need adjusted whenever you change something on the car that will affect airflow. The second reason is that the EGR system adds timing when it runs, and when it's not installed on the engine but it's still running in the ECM, those timing changes can cause surging/stumbling.
You have two options to address both of those issues; I can send you a single chip adjusted for your mods ($100, Postal Power Tune), or you can rent one of my tuning kits that will let me fine-tune it through email for exactly how it's running ($185 for one week, Cable Loan Power Tune; see http://www.lt1pcmtuning.com/service/#Cable for more). Either way, you will need a piggyback adapter to install the new chip, which you can buy for $35 from Moates (link given when you order from me).
Let me know if you have any more questions! Otherwise, you can start the order process anytime at http://www.lt1pcmtuning.com/service/customer.php
So slickfx3 you were right all along. Thanks for the lead. I think I am gonna get the cable and go that route.
Just lucky guessing on my part, at least you narrowed it down...
Hi Gregory,
Yes, my tune will fix it, for two reasons. The first is because your ECM runs in speed density mode (no MAF sensor), which uses set VE tables in the tune to calculate fueling. Those tables need adjusted whenever you change something on the car that will affect airflow. The second reason is that the EGR system adds timing when it runs, and when it's not installed on the engine but it's still running in the ECM, those timing changes can cause surging/stumbling.
You have two options to address both of those issues; I can send you a single chip adjusted for your mods ($100, Postal Power Tune), or you can rent one of my tuning kits that will let me fine-tune it through email for exactly how it's running ($185 for one week, Cable Loan Power Tune; see http://www.lt1pcmtuning.com/service/#Cable for more). Either way, you will need a piggyback adapter to install the new chip, which you can buy for $35 from Moates (link given when you order from me).
Let me know if you have any more questions! Otherwise, you can start the order process anytime at http://www.lt1pcmtuning.com/service/customer.php
So slickfx3 you were right all along. Thanks for the lead. I think I am gonna get the cable and go that route.
Solomon is a super nice guy and will help you anyway he can.
Last edited by Weav's Vet; Jul 9, 2010 at 09:29 AM.






I disagree with those that disagree

A custom tune is worth every cent as an investment for power.
I have been very satisfied with the work from PCM's.
The process takes some time and if you are patient,
the results are worth waiting for.








