gt28rs vs 19T vs 16g: getting parts ready
01-15-2010, 12:36 PM
#63
Tour de Franzia
iTrader: (6)
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,085
Total Cats: 375
I may get on a dynojet tomorrow, hopefully I don't break it with my massive, intoxicating torque.
Reply
0
0
01-15-2010, 04:50 PM
#72
Former Vendor
iTrader: (31)
Join Date: Nov 2006
Location: Sunnyvale, CA
Posts: 15,442
Total Cats: 2,099
I spend 30 minutes at the beginning of every dyno session with the load-bearing function, going through 80% of the fuel map (everything under 5500rpm and ~150kpa) and dialing in the AFRs at every RPM and load range. 90% of the benefit of a dyno is in this - what would take you like 3-4 hours to get perfect on the road (or a couple dozen VEA logs) can be done in 30 minutes on a dyno - and 3-4 hours assumes you have a driver who knows EXACTLY what needs to be done, and brakes good enough that you can hold 4-5psi at 5000rpm in 3rd gear without melting the crap out of them. The cars I tune roll off the dyno with perfect driveability, every time.
The rest of the time can be done on a Dynojet, but who cares, because it can also be done on highway onramps.
The only Dynojets worth anything are the load-bearing ones, and if your operator isn't bragging about that then he probably doesn't have it (and doesn't want you know that he's too cheap/stupid to have it).
Reply
0
0
01-15-2010, 08:20 PM
#73
Let me guess, they just did pull after pull after pull without any driveability tuning?
I spend 30 minutes at the beginning of every dyno session with the load-bearing function, going through 80% of the fuel map (everything under 5500rpm and ~150kpa) and dialing in the AFRs at every RPM and load range. 90% of the benefit of a dyno is in this - what would take you like 3-4 hours to get perfect on the road (or a couple dozen VEA logs) can be done in 30 minutes on a dyno - and 3-4 hours assumes you have a driver who knows EXACTLY what needs to be done, and brakes good enough that you can hold 4-5psi at 5000rpm in 3rd gear without melting the crap out of them. The cars I tune roll off the dyno with perfect driveability, every time.
The rest of the time can be done on a Dynojet, but who cares, because it can also be done on highway onramps.
The only Dynojets worth anything are the load-bearing ones, and if your operator isn't bragging about that then he probably doesn't have it (and doesn't want you know that he's too cheap/stupid to have it).
I spend 30 minutes at the beginning of every dyno session with the load-bearing function, going through 80% of the fuel map (everything under 5500rpm and ~150kpa) and dialing in the AFRs at every RPM and load range. 90% of the benefit of a dyno is in this - what would take you like 3-4 hours to get perfect on the road (or a couple dozen VEA logs) can be done in 30 minutes on a dyno - and 3-4 hours assumes you have a driver who knows EXACTLY what needs to be done, and brakes good enough that you can hold 4-5psi at 5000rpm in 3rd gear without melting the crap out of them. The cars I tune roll off the dyno with perfect driveability, every time.
The rest of the time can be done on a Dynojet, but who cares, because it can also be done on highway onramps.
The only Dynojets worth anything are the load-bearing ones, and if your operator isn't bragging about that then he probably doesn't have it (and doesn't want you know that he's too cheap/stupid to have it).
I wish we lived closer to each other.
__________________
Best Car Insurance | Auto Protection Today | FREE Trade-In Quote
Reply
0
0
01-16-2010, 05:32 PM
#75
Let me guess, they just did pull after pull after pull without any driveability tuning?
I spend 30 minutes at the beginning of every dyno session with the load-bearing function, going through 80% of the fuel map (everything under 5500rpm and ~150kpa) and dialing in the AFRs at every RPM and load range. 90% of the benefit of a dyno is in this - what would take you like 3-4 hours to get perfect on the road (or a couple dozen VEA logs) can be done in 30 minutes on a dyno - and 3-4 hours assumes you have a driver who knows EXACTLY what needs to be done, and brakes good enough that you can hold 4-5psi at 5000rpm in 3rd gear without melting the crap out of them. The cars I tune roll off the dyno with perfect driveability, every time.
The rest of the time can be done on a Dynojet, but who cares, because it can also be done on highway onramps.
The only Dynojets worth anything are the load-bearing ones, and if your operator isn't bragging about that then he probably doesn't have it (and doesn't want you know that he's too cheap/stupid to have it).
I spend 30 minutes at the beginning of every dyno session with the load-bearing function, going through 80% of the fuel map (everything under 5500rpm and ~150kpa) and dialing in the AFRs at every RPM and load range. 90% of the benefit of a dyno is in this - what would take you like 3-4 hours to get perfect on the road (or a couple dozen VEA logs) can be done in 30 minutes on a dyno - and 3-4 hours assumes you have a driver who knows EXACTLY what needs to be done, and brakes good enough that you can hold 4-5psi at 5000rpm in 3rd gear without melting the crap out of them. The cars I tune roll off the dyno with perfect driveability, every time.
The rest of the time can be done on a Dynojet, but who cares, because it can also be done on highway onramps.
The only Dynojets worth anything are the load-bearing ones, and if your operator isn't bragging about that then he probably doesn't have it (and doesn't want you know that he's too cheap/stupid to have it).
Trackmasters, Inc
Reply
0
0
01-16-2010, 06:56 PM
#77
Former Vendor
iTrader: (31)
Join Date: Nov 2006
Location: Sunnyvale, CA
Posts: 15,442
Total Cats: 2,099
He did soem normal cruise rpms before doing the longer pulls and adjusting spark/fuel.
Trackmasters, Inc
Trackmasters, Inc
Reply
0
0
01-16-2010, 08:34 PM
#78
279 whp / 270 wtq (on a Mustang dyno) boost peaks at 22 and then tapers to 20. I'm happy but I want 300's now and it isn't gonna happen with my lack of flow. My cast mani and 2.5" dp need to go. Soon as I get them replaced I'll be going back. I'm also going to need an intake manifold to cure the massive torque drop to red line. But I'm happy, the car is a blast to drive and it still has plenty more potential.
__________________
Best Car Insurance | Auto Protection Today | FREE Trade-In Quote
Reply
0
0
01-16-2010, 11:48 PM
#80
So, give me your recommendations for tuners withing 4 hrs of huntsville, AL. This would include Atlanta, Memphis, Knoxville, Chattanooga, Birmingham, etc.
However, since my diypnp came from Atlanta, Atlanta seems like a logical choice.
Reply
0
0
