Finally: GTM Stage 5 + E-85 + G35 = Awesome
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Finally: GTM Stage 5 + E-85 + G35 = Awesome
Just wrapped up some tuning today with Hal and I have found a few things out
1. The GTM Stage 5 was only a slight upgrade from my APS Extreme TT, it actually made less power at the same boost.
2. If anyone tells you that E-85 is like running 116 octane then punch them in the sack, its more like 105 octane but at least its $1.99 a gallon
3. My car has serious electrical issues
Anyways, the car put down 640 DD on a couple pulls when the motor was still cool, but eventually settled at 628.1 whp, the 1200cc injectors were at 95% duty cycle so we kind of had to kill it there. The biggest issue is the steering knuckle still wont clear the exhaust housing even after all the spacers were put in and the knuckle was machined down on a lathe. Hopefully I can figure out a solution or just stack another set of spacers on it.
The car does feel awesome and pulls like a bat out of hell, I also think I set a record for "Pump" gas on a 3.5L
GTM Stage 5, E-85, and Haltech
APS Extreme VS GTM Stage 5 (apples to oranges comparison)
1. The GTM Stage 5 was only a slight upgrade from my APS Extreme TT, it actually made less power at the same boost.
2. If anyone tells you that E-85 is like running 116 octane then punch them in the sack, its more like 105 octane but at least its $1.99 a gallon
3. My car has serious electrical issues
Anyways, the car put down 640 DD on a couple pulls when the motor was still cool, but eventually settled at 628.1 whp, the 1200cc injectors were at 95% duty cycle so we kind of had to kill it there. The biggest issue is the steering knuckle still wont clear the exhaust housing even after all the spacers were put in and the knuckle was machined down on a lathe. Hopefully I can figure out a solution or just stack another set of spacers on it.
The car does feel awesome and pulls like a bat out of hell, I also think I set a record for "Pump" gas on a 3.5L
GTM Stage 5, E-85, and Haltech
APS Extreme VS GTM Stage 5 (apples to oranges comparison)
Last edited by Blackbird CPV35; Oct 3, 2009 at 11:49 AM.
Just wrapped up some tuning today with Hal and I have found a few things out
1. The GTM Stage 5 was only a slight upgrade from my APS Extreme TT, it actually made less power at the same boost.
2. If anyone tells you that E-85 is like running 116 octane then punch them in the sack, its more like 105 octane but at least its $1.99 a gallon
3. My car has serious electrical issues
Anyways, the car put down 640 DD on a couple pulls when the motor was still cool, but eventually settled at 628.1 whp, the 1200cc injectors were at 95% duty cycle so we kind of had to kill it there. The biggest issue is the steering knuckle still wont clear the exhaust housing even after all the spacers were put in and the knuckle was machined down on a lathe. Hopefully I can figure out a solution or just stack another set of spacers on it.
The car does feel awesome and pulls like a bat out of hell, I also think I set a record for "Pump" gas on a 3.5L
Pics to come shortly
1. The GTM Stage 5 was only a slight upgrade from my APS Extreme TT, it actually made less power at the same boost.
2. If anyone tells you that E-85 is like running 116 octane then punch them in the sack, its more like 105 octane but at least its $1.99 a gallon
3. My car has serious electrical issues
Anyways, the car put down 640 DD on a couple pulls when the motor was still cool, but eventually settled at 628.1 whp, the 1200cc injectors were at 95% duty cycle so we kind of had to kill it there. The biggest issue is the steering knuckle still wont clear the exhaust housing even after all the spacers were put in and the knuckle was machined down on a lathe. Hopefully I can figure out a solution or just stack another set of spacers on it.
The car does feel awesome and pulls like a bat out of hell, I also think I set a record for "Pump" gas on a 3.5L
Pics to come shortly
I will call Hal on Monday regarding the st coupler
Sam
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nah, JoeK ran like 680 on 'pump' e85. Hit the exhaust housing with an angle grinder.
How do you qualify the GTM as a slight upgrade? Less power, more problems, worse fit, more expensive....
Its crazy how much fuel e85 needs, 95% IDC on 1200cc injectors with regular gas would support well into the 1k mark.
Are you getting the VTC solenoid CELs? Thats what went when I fried my stock ECU and UTEC.
Sounds like you are almost there. Those turbos should easily dyno 850+ on E85 when you get your fueling and electrical sorted
How do you qualify the GTM as a slight upgrade? Less power, more problems, worse fit, more expensive....
Its crazy how much fuel e85 needs, 95% IDC on 1200cc injectors with regular gas would support well into the 1k mark.
Are you getting the VTC solenoid CELs? Thats what went when I fried my stock ECU and UTEC.
Sounds like you are almost there. Those turbos should easily dyno 850+ on E85 when you get your fueling and electrical sorted
Last edited by str8dum1; Oct 3, 2009 at 03:03 AM.
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nah, JoeK ran like 680 on 'pump' e85. Hit the exhaust housing with an angle grinder.
How do you qualify the GTM as a slight upgrade? Less power, more problems, worse fit, more expensive....
Its crazy how much fuel e85 needs, 95% IDC on 1200cc injectors with regular gas would support well into the 1k mark.
Are you getting the VTC solenoid CELs? Thats what went when I fried my stock ECU and UTEC.
it was at 22 psi and the tq was ~522 ft lbs
Sounds like you are almost there. Those turbos should easily dyno 850+ on E85 when you get your fueling and electrical sorted
How do you qualify the GTM as a slight upgrade? Less power, more problems, worse fit, more expensive....
Its crazy how much fuel e85 needs, 95% IDC on 1200cc injectors with regular gas would support well into the 1k mark.
Are you getting the VTC solenoid CELs? Thats what went when I fried my stock ECU and UTEC.
it was at 22 psi and the tq was ~522 ft lbs
Sounds like you are almost there. Those turbos should easily dyno 850+ on E85 when you get your fueling and electrical sorted
I think people are also forgetting that Wongy's G35 put down 639 on this dyno with twin 67mm turbos, a 4.2l, and pump gas, I would say this is a pretty good number for what I have
I don't really think the turbos have much more in them on E-85, maybe 50 more horsepower if I am lucky
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Here's why:
Unless someone is using Nitrous or a pre-oxygenated fuel (like top fuel dragsters), the primary factor that determines your hp is the amount of air that you can force into the engine, assuming that you have the appropriate amount of fuel to achieve the necessary AFR value.
Per GTM's website, your turbos are GT3082 0.76 A/R. I don't see them listed on Garret's website, so I'll use the GT3076 compressor map for reference. Each of your two turbos will push 37 lb/min of air at 77% efficiency, and 42 lb/min at 65% efficiency. That is a total of 74 lb/min and 84 lb/min, respectively. Now your GT3082 turbos are bigger that the GT3076 turbos, so your air flow capability will be even higher.
74 lb/min of air is good for about 890 crank hp, or about 820 whp on our cars. 84 lb/min of air is good for about 940 crank hp, or about 870 whp.
To acheive that, though, you need to flow enough fuel. Perhaps you can add a second fuel injector to each intake runner, or go with even bigger injectors. I don't recall which EMS you have, but I beleive that the F-Con can be configured to controll two injectors per cylinder.
OP, I have a spreadsheet with a fuel flow calculator I created which you can play with. If you want a copy, PM me your e-mail address.
I'd say at least 150 hp, and possibly as high as 250 hp.
Here's why:
Unless someone is using Nitrous or a pre-oxygenated fuel (like top fuel dragsters), the primary factor that determines your hp is the amount of air that you can force into the engine, assuming that you have the appropriate amount of fuel to achieve the necessary AFR value.
Per GTM's website, your turbos are GT3082 0.76 A/R. I don't see them listed on Garret's website, so I'll use the GT3076 compressor map for reference. Each of your two turbos will push 37 lb/min of air at 77% efficiency, and 42 lb/min at 65% efficiency. That is a total of 74 lb/min and 84 lb/min, respectively. Now your GT3082 turbos are bigger that the GT3076 turbos, so your air flow capability will be even higher.
74 lb/min of air is good for about 890 crank hp, or about 820 whp on our cars. 84 lb/min of air is good for about 940 crank hp, or about 870 whp.
To acheive that, though, you need to flow enough fuel. Perhaps you can add a second fuel injector to each intake runner, or go with even bigger injectors. I don't recall which EMS you have, but I beleive that the F-Con can be configured to controll two injectors per cylinder.
OP, I have a spreadsheet with a fuel flow calculator I created which you can play with. If you want a copy, PM me your e-mail address.
Here's why:
Unless someone is using Nitrous or a pre-oxygenated fuel (like top fuel dragsters), the primary factor that determines your hp is the amount of air that you can force into the engine, assuming that you have the appropriate amount of fuel to achieve the necessary AFR value.
Per GTM's website, your turbos are GT3082 0.76 A/R. I don't see them listed on Garret's website, so I'll use the GT3076 compressor map for reference. Each of your two turbos will push 37 lb/min of air at 77% efficiency, and 42 lb/min at 65% efficiency. That is a total of 74 lb/min and 84 lb/min, respectively. Now your GT3082 turbos are bigger that the GT3076 turbos, so your air flow capability will be even higher.
74 lb/min of air is good for about 890 crank hp, or about 820 whp on our cars. 84 lb/min of air is good for about 940 crank hp, or about 870 whp.
To acheive that, though, you need to flow enough fuel. Perhaps you can add a second fuel injector to each intake runner, or go with even bigger injectors. I don't recall which EMS you have, but I beleive that the F-Con can be configured to controll two injectors per cylinder.
OP, I have a spreadsheet with a fuel flow calculator I created which you can play with. If you want a copy, PM me your e-mail address.
We have made 682 RWHP 563 RWTQ @ 19 psi using 109 gas with the GT3076 and those turbos were still a sleep
Here is the link
https://my350z.com/forum/shop-builds...p-563rwtq.html
Sam
Last edited by Sam@GTM; Oct 3, 2009 at 07:32 AM.