How many lbs of boost?
No, you can't really port the exhaust housing like you are thinking.
Just deal with it for now, prob be snappy off the line, just may hit a wall up top and skyrocket your EGT/backpressure.
Just deal with it for now, prob be snappy off the line, just may hit a wall up top and skyrocket your EGT/backpressure.
LS1 PCM is more then capable for most any street car build, and is leaps and bounds more capable then the LT1 calculator powered PCM. It is real hard to beat for the price vs an aftermarket setup.
Don't really need more unless you are getting into trick stuff like internal datalogging, out of the box low impedance injectors, and built in multiple map support without buying a whole bunch of different boxes and drivers.
Don't really need more unless you are getting into trick stuff like internal datalogging, out of the box low impedance injectors, and built in multiple map support without buying a whole bunch of different boxes and drivers.
A few questions for the OP, where are you mounting the turbo (front or rear), what are your power goals, what are you running for fuel system and injectors? Also everyone is saying only run 5-6# of boost with a fully forged bottom end? I'm currently building a twin turbo LT1 with 10.8:1 scr and I plan on running 15-18# of intercooled & meth injected boost. My engine build told me to get the tune right and I'll be fine.
A few questions for the OP, where are you mounting the turbo (front or rear), what are your power goals, what are you running for fuel system and injectors? Also everyone is saying only run 5-6# of boost with a fully forged bottom end? I'm currently building a twin turbo LT1 with 10.8:1 scr and I plan on running 15-18# of intercooled & meth injected boost. My engine build told me to get the tune right and I'll be fine.
No not fully forged bottom end. The guys I was refferring to were bone stock with 67 - 76mm turbos.....
I will be doing intercooled with meth injection and E85.........
Im currently on the phone with a guy that selling a 92mm Garrett, contemplating if I want to buy it LOL!
I have a couple gallon cell and two 14pgh nozzles up front with a devil's own pump, but my tuner hates meth so its dormant till I push my turbo.
If you can easily get E85, use it for sure. Downside is, you will need larger injectors and a fuel system that can keep up. Its I think 30% more flow needed compared to gas.
Meth is a bandaid.
I have a couple gallon cell and two 14pgh nozzles up front with a devil's own pump, but my tuner hates meth so its dormant till I push my turbo.
If you can easily get E85, use it for sure. Downside is, you will need larger injectors and a fuel system that can keep up. Its I think 30% more flow needed compared to gas.
I have a couple gallon cell and two 14pgh nozzles up front with a devil's own pump, but my tuner hates meth so its dormant till I push my turbo.
If you can easily get E85, use it for sure. Downside is, you will need larger injectors and a fuel system that can keep up. Its I think 30% more flow needed compared to gas.
Now, the other people who said that meth is a bandaid (and they literally said that it was a bandaid), said you should be fine up to 12lbs of boost on E85. Those people where just opposed to meth injection alltogether just like N/A guys are oppose to FI or Nitrous. So if I can run meth to make up for high CR. I will. I plan on driving pretty reserve so it will be
Let me clarify, meth is a severe bandaid and a rig IF you are relying on the meth for fueling up top. Which in your case, I would guess that you will be with only 60# injectors. FYI, at LT1 rail pressure I almost ran out of injector (80# units) and thats only 10psi. That was with pump 93, E85 will definitely want more injector.
A quick calculation shows that with a 60psi rail pressure, and 80% duty cycle, 60# injectors will net you a massive 500rwhp. You will need bigger injectors basically.
Assuming you have correct fueling and use meth to cool the intake charge due to crappy intercooler or a hard pushed turbo, thats not bad. Make sure you spray before the IAT sensor and after the BOV. I plan on tossing windshield wiper fluid in my tank for the summer and using it just as a safety blanket.
A quick calculation shows that with a 60psi rail pressure, and 80% duty cycle, 60# injectors will net you a massive 500rwhp. You will need bigger injectors basically.
Assuming you have correct fueling and use meth to cool the intake charge due to crappy intercooler or a hard pushed turbo, thats not bad. Make sure you spray before the IAT sensor and after the BOV. I plan on tossing windshield wiper fluid in my tank for the summer and using it just as a safety blanket.
Assuming you have correct fueling and use meth to cool the intake charge due to crappy intercooler or a hard pushed turbo, thats not bad. Make sure you spray before the IAT sensor and after the BOV. I plan on tossing windshield wiper fluid in my tank for the summer and using it just as a safety blanket.
What is IAT?
Im not trying to rely mainly on meth injection. Meth is mainly when I want to turn up boost. So if I drive to work, im not really that concerned because E85 will keep me secure at that point. But track visits and occasional street races I plan on running it full on.
Ive heard running wiper fluid in meth tank because of the 50/50 mixture, but could you explain that a little more? ..........Thanx
Ok............ Should I got 75lbs or 80lbs injectors or larger? I have a good size intercooler so that should not be an issue.
What is IAT?
Im not trying to rely mainly on meth injection. Meth is mainly when I want to turn up boost. So if I drive to work, im not really that concerned because E85 will keep me secure at that point. But track visits and occasional street races I plan on running it full on.
Ive heard running wiper fluid in meth tank because of the 50/50 mixture, but could you explain that a little more? ..........Thanx
What is IAT?
Im not trying to rely mainly on meth injection. Meth is mainly when I want to turn up boost. So if I drive to work, im not really that concerned because E85 will keep me secure at that point. But track visits and occasional street races I plan on running it full on.
Ive heard running wiper fluid in meth tank because of the 50/50 mixture, but could you explain that a little more? ..........Thanx
Pure meth is good for adding fuel to prevent knock, water is good for lowering EGTs, a windshield fluid mix is a semi not flammable, cheap, easy to find etc. Most of the "boost juice" is a 49/51 mix which is right at the limit of whats legal to ship for vendors.
But, talk to the guy who is gonna tune your car.
It all depends on your goals with the car. I think its safe to get 80# injectors and if needed crank the base fuel pressure. That should get you a safe amount of potential horsepower but again you need a good fuel system..
Pure meth is good for adding fuel to prevent knock, water is good for lowering EGTs, a windshield fluid mix is a semi not flammable, cheap, easy to find etc. Most of the "boost juice" is a 49/51 mix which is right at the limit of whats legal to ship for vendors.
But, talk to the guy who is gonna tune your car.
Pure meth is good for adding fuel to prevent knock, water is good for lowering EGTs, a windshield fluid mix is a semi not flammable, cheap, easy to find etc. Most of the "boost juice" is a 49/51 mix which is right at the limit of whats legal to ship for vendors.
But, talk to the guy who is gonna tune your car.
Ok last question. With the 70mm turbo and 80lbs injectors and all other mods, what hp area would you think I'd be in? Im thinking and hoping 450+?
Plus a guy is giving me a helluva a deal on a Garrett 92mm T-6 with 1.32 exhaust housing. Only reason im considering it is because you said that my exhaust side would be holding me back.............
