Street Tune
06-17-2016, 10:36 AM
#1
Street Tune
Hey G squad
So I'm going to be placing an order for some FI RHFC and will be getting a tune afterwards. The only reputable shop around me has a RWD dyno so we'd be doing a street tune.
It seems like most people on this forum have been dyno tuned, but I've found a couple posts saying that street tuning is the way to go since it mirrors real world conditions.
Any input from other AWD guys or RWD guys who are in the know on this? I was quoted $450 for a tune which seems like a really good price to me all things considered.
Most importantly, since I won't have a print out with actual numbers, can I figure out my hp gains by measuring how many inches I grow down there?
So I'm going to be placing an order for some FI RHFC and will be getting a tune afterwards. The only reputable shop around me has a RWD dyno so we'd be doing a street tune.
It seems like most people on this forum have been dyno tuned, but I've found a couple posts saying that street tuning is the way to go since it mirrors real world conditions.
Any input from other AWD guys or RWD guys who are in the know on this? I was quoted $450 for a tune which seems like a really good price to me all things considered.
Most importantly, since I won't have a print out with actual numbers, can I figure out my hp gains by measuring how many inches I grow down there?
06-17-2016, 11:21 AM
#2
Hey G squad
So I'm going to be placing an order for some FI RHFC and will be getting a tune afterwards. The only reputable shop around me has a RWD dyno so we'd be doing a street tune.
It seems like most people on this forum have been dyno tuned, but I've found a couple posts saying that street tuning is the way to go since it mirrors real world conditions.
Any input from other AWD guys or RWD guys who are in the know on this? I was quoted $450 for a tune which seems like a really good price to me all things considered.
Most importantly, since I won't have a print out with actual numbers, can I figure out my hp gains by measuring how many inches I grow down there?
So I'm going to be placing an order for some FI RHFC and will be getting a tune afterwards. The only reputable shop around me has a RWD dyno so we'd be doing a street tune.
It seems like most people on this forum have been dyno tuned, but I've found a couple posts saying that street tuning is the way to go since it mirrors real world conditions.
Any input from other AWD guys or RWD guys who are in the know on this? I was quoted $450 for a tune which seems like a really good price to me all things considered.
Most importantly, since I won't have a print out with actual numbers, can I figure out my hp gains by measuring how many inches I grow down there?
06-17-2016, 11:32 AM
#3
Registered Member
Because he has an X couple he cant get on their dyno, because their dyno is 2 wheel drive only. The print out from the dyno is what he is talking about.
06-17-2016, 12:10 PM
#4
Oh duh, I see what's going on lol. An easy solution would be to remove the front drive shaft for the dyno day and boom RWD. Many guys have done this. No wires, mods or anything custom, just unbolt and put it back on when you want AWD again. Very straight forward.
06-17-2016, 12:19 PM
#6
I guess my jokes are just not on point today 
I'm less concerned with figuring out the exact HP output and more looking for some input on whether or not a street tune is safe/valid alternative to a dyno tune and whether or not the pricing sounds legit.
Do I want to know how much power I'm making? Yeah, absolutely. But I figure for $450 if the shifts are sped up and I feel like I picked up a decent amount of power that's what matters most. We pay $1500 for catbacks for crying out loud.
I'm less concerned with figuring out the exact HP output and more looking for some input on whether or not a street tune is safe/valid alternative to a dyno tune and whether or not the pricing sounds legit.
Do I want to know how much power I'm making? Yeah, absolutely. But I figure for $450 if the shifts are sped up and I feel like I picked up a decent amount of power that's what matters most. We pay $1500 for catbacks for crying out loud.
06-17-2016, 12:19 PM
#7
But yeah, street tunes are best for fine tuning and in my opinion the best option if you have a stand alone with custom fuel maps through a certain RPM and throttle position etc etc. As for Uprev or ECUTEK being a piggyback/flash, a dynometer will be more than fine since the ECU is going to always fine tune itself as the cars environment changes.
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06-17-2016, 12:22 PM
#8
Try "Dash Command"
The app has a data-logging feature that captures every PID the OBD outputs.
It also calculates power & torque. (Based on accel, g-force rpm etc)
It displays what you wish live but also logs all PIDs into one big file for analysis later.
Also skid pad and track performance.
And zero to X
And quarter mile times.
The app has a data-logging feature that captures every PID the OBD outputs.
It also calculates power & torque. (Based on accel, g-force rpm etc)
It displays what you wish live but also logs all PIDs into one big file for analysis later.
Also skid pad and track performance.
And zero to X
And quarter mile times.
06-17-2016, 12:42 PM
#9
Idk, I'm good friends with someone who tuned for Hennessy until recently, plus I've been going back and forth with Seb from specialtyZ, and they both say dyno tuning is a great deal more efficient than etuning in most circumstances. $450 is cheap if it includes Ecutek or Uprev... If not, then it's not so cheap. You also need to keep in mind how many retunes and touch ups will they do?
06-17-2016, 01:32 PM
#10
Idk, I'm good friends with someone who tuned for Hennessy until recently, plus I've been going back and forth with Seb from specialtyZ, and they both say dyno tuning is a great deal more efficient than etuning in most circumstances. $450 is cheap if it includes Ecutek or Uprev... If not, then it's not so cheap. You also need to keep in mind how many retunes and touch ups will they do?
06-17-2016, 01:49 PM
#11
Like I was saying before. Street tuning is plenty for the adjustments our cars are after. If you were building the car with a standalone and starting from scratch you'd want a dyno to tune at least a base map and would then street tune later for real world runs.
Again, not sure if your reading my posts but, if you're super concerned, just drop the front driveshaft and dyno it, its easy man.
Again, not sure if your reading my posts but, if you're super concerned, just drop the front driveshaft and dyno it, its easy man.
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JUMBO PALACE (06-17-2016)
06-17-2016, 02:05 PM
#12
+1 for dropping the driveshaft, seen it done on many cars.
06-17-2016, 03:15 PM
#14
Great advice from everyone and yes I see you Kris 
I'll ask him about dropping the drive shaft once my cats show up and I'm setting up an appointment. Might be easier that way and I'll get to see my numbers. More $$ though I'm assuming.
Noob question: Would dropping the drive shaft cause the dyno to read higher because the car is functionally RWD during the tuning and not be accurate of the increased loss when hooked up to an AWD trans? Or does that loss come into play earlier in the cycle?
And Sway_NV- You didn't miss it, I left out that we'll be doing Uprev. That's what my Tuner has experience with and I didn't see any Ecu-tek guys in my area.
I'll ask him about dropping the drive shaft once my cats show up and I'm setting up an appointment. Might be easier that way and I'll get to see my numbers. More $$ though I'm assuming.
Noob question: Would dropping the drive shaft cause the dyno to read higher because the car is functionally RWD during the tuning and not be accurate of the increased loss when hooked up to an AWD trans? Or does that loss come into play earlier in the cycle?
And Sway_NV- You didn't miss it, I left out that we'll be doing Uprev. That's what my Tuner has experience with and I didn't see any Ecu-tek guys in my area.
06-17-2016, 04:21 PM
#15
Great advice from everyone and yes I see you Kris
I'll ask him about dropping the drive shaft once my cats show up and I'm setting up an appointment. Might be easier that way and I'll get to see my numbers. More $$ though I'm assuming.
Noob question: Would dropping the drive shaft cause the dyno to read higher because the car is functionally RWD during the tuning and not be accurate of the increased loss when hooked up to an AWD trans? Or does that loss come into play earlier in the cycle?
And Sway_NV- You didn't miss it, I left out that we'll be doing Uprev. That's what my Tuner has experience with and I didn't see any Ecu-tek guys in my area.
I'll ask him about dropping the drive shaft once my cats show up and I'm setting up an appointment. Might be easier that way and I'll get to see my numbers. More $$ though I'm assuming.
Noob question: Would dropping the drive shaft cause the dyno to read higher because the car is functionally RWD during the tuning and not be accurate of the increased loss when hooked up to an AWD trans? Or does that loss come into play earlier in the cycle?
And Sway_NV- You didn't miss it, I left out that we'll be doing Uprev. That's what my Tuner has experience with and I didn't see any Ecu-tek guys in my area.
Yes, you can expect to gain like 2-3hp to the ground. Its the same concept as light weight pulleys or lighter wheels to remove rotational weight. The driveline loss from a RWD is about 20-25% and the AWD is 25-30%. Not enough to skew a tune at all.
The following users liked this post:
JUMBO PALACE (06-17-2016)