A/F tuning (Vortech)
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A/F tuning (Vortech)
I'm going to try to do a little bit of tuning. I was just wondering at what RPM should I start hitting 11.5? (maybe 12 to 5000rpm then 11.5 the rest?) If I'm going to be around 11.5 should I be pulling more timing or would the stock timing map be good? Also what would be the best way to adjust the timing, by psi, or RPM? If anyone could give me an example for both a/f and timing that would be awsome. I'm running the stock pully and hitting between 7.6 - 8 psi
Thank you
Thank you
Originally Posted by booger
Pm me your email and I'll send you a file . It maybe a 3.12 pulley map , but you can get an idea of the timing
Boog, can i get a copy of the 312 map as well please.
email: freezo@shaw.ca
TIA
Phan, I assume you are doing this on a dyno..right?
I think its really cool when people try to learn how to tune. I'd also suggest using 100 octane fuel for your tuning, especially if its your first time with this setup. It adds a signficiant level of safety margin as you run through the RPM range.
Personally, I would be shooting for 11.5:1 as quickly as possible...somewhere around 3500rpm.
What type of fuel are you planning to run on a daily basis? For timing, a good starting point is roughly 18 degrees of total advance at WOT. Since the base timing on the 350Z is about 24-26degrees at WOT, you would need to subtract 6-8 degrees of timing. To much timing retard is just as dangerous...if not more dangerous that too little.
Just be careful..mistakes can cost you thousands of dollars if the engine is damaged.
I think its really cool when people try to learn how to tune. I'd also suggest using 100 octane fuel for your tuning, especially if its your first time with this setup. It adds a signficiant level of safety margin as you run through the RPM range.
Personally, I would be shooting for 11.5:1 as quickly as possible...somewhere around 3500rpm.
What type of fuel are you planning to run on a daily basis? For timing, a good starting point is roughly 18 degrees of total advance at WOT. Since the base timing on the 350Z is about 24-26degrees at WOT, you would need to subtract 6-8 degrees of timing. To much timing retard is just as dangerous...if not more dangerous that too little.
Just be careful..mistakes can cost you thousands of dollars if the engine is damaged.
Originally Posted by gq_626
Phan, I assume you are doing this on a dyno..right?
I think its really cool when people try to learn how to tune. I'd also suggest using 100 octane fuel for your tuning, especially if its your first time with this setup. It adds a signficiant level of safety margin as you run through the RPM range.
Personally, I would be shooting for 11.5:1 as quickly as possible...somewhere around 3500rpm.
What type of fuel are you planning to run on a daily basis? For timing, a good starting point is roughly 18 degrees of total advance at WOT. Since the base timing on the 350Z is about 24-26degrees at WOT, you would need to subtract 6-8 degrees of timing. To much timing retard is just as dangerous...if not more dangerous that too little.
Just be careful..mistakes can cost you thousands of dollars if the engine is damaged.
I think its really cool when people try to learn how to tune. I'd also suggest using 100 octane fuel for your tuning, especially if its your first time with this setup. It adds a signficiant level of safety margin as you run through the RPM range.
Personally, I would be shooting for 11.5:1 as quickly as possible...somewhere around 3500rpm.
What type of fuel are you planning to run on a daily basis? For timing, a good starting point is roughly 18 degrees of total advance at WOT. Since the base timing on the 350Z is about 24-26degrees at WOT, you would need to subtract 6-8 degrees of timing. To much timing retard is just as dangerous...if not more dangerous that too little.
Just be careful..mistakes can cost you thousands of dollars if the engine is damaged.
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Joined: Feb 2003
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From: Ontario, Canada
Originally Posted by gq_626
Phan, I assume you are doing this on a dyno..right?
I think its really cool when people try to learn how to tune. I'd also suggest using 100 octane fuel for your tuning, especially if its your first time with this setup. It adds a signficiant level of safety margin as you run through the RPM range.
Personally, I would be shooting for 11.5:1 as quickly as possible...somewhere around 3500rpm.
What type of fuel are you planning to run on a daily basis? For timing, a good starting point is roughly 18 degrees of total advance at WOT. Since the base timing on the 350Z is about 24-26degrees at WOT, you would need to subtract 6-8 degrees of timing. To much timing retard is just as dangerous...if not more dangerous that too little.
Just be careful..mistakes can cost you thousands of dollars if the engine is damaged.
I think its really cool when people try to learn how to tune. I'd also suggest using 100 octane fuel for your tuning, especially if its your first time with this setup. It adds a signficiant level of safety margin as you run through the RPM range.
Personally, I would be shooting for 11.5:1 as quickly as possible...somewhere around 3500rpm.
What type of fuel are you planning to run on a daily basis? For timing, a good starting point is roughly 18 degrees of total advance at WOT. Since the base timing on the 350Z is about 24-26degrees at WOT, you would need to subtract 6-8 degrees of timing. To much timing retard is just as dangerous...if not more dangerous that too little.
Just be careful..mistakes can cost you thousands of dollars if the engine is damaged.
When I had the Vortech supercharger I did some limited tuning on the street after changing from the stock pulley to the next lowest one. However, I had a wideband O2 sensor I could log to my laptop, I was pretty familiar with the R4 software and with my car by that time, and all I really did was "coarse-grained" tuning to get things close in anticipation of doing fine-tuning on the dyno later on.
Originally Posted by freezeg35
Speaking of timing, does anyone think its possible and safe to retard more timing than the stock vortech setup does. The reason i ask is im in canada where every gas station has 94 octane, the only grade i use, and ive heard that canadian gas is much better quality than american. Just a thought.
Actually,
You could retard less timing with a higher octane gas and make more power.You are sort of thinking of going in the wrong direction.
BTW,
I also have a good solid Vortech map for the FTC in which we made 399.5 horsepower at the wheels (on a Dyno Dynamics) on 91 octane pump gas @ 10.5 psi(2.75 pulley).So this map is good upto this psi of boost.
Originally Posted by freezeg35
Speaking of timing, does anyone think its possible and safe to retard more timing than the stock vortech setup does. The reason i ask is im in canada where every gas station has 94 octane, the only grade i use, and ive heard that canadian gas is much better quality than american. Just a thought.
Do it on the dyno....
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