If that is the exducer of the turbine (the small part) 73MM is huge. Put up the turbine inducer size (the large part) one you take it apart.
To give you an idea, I think my SP61GT is laggy and my turbine exducer is only 61mm or so. My inducer is about 73mm.
Dan
Tremendous man. Your killing me here. Awesome 60.
You have definitely put the pressure on.
Send me any datalogs that you might have from your runs. shreve_dan@yahoo.com
Sounds like a slow 30K+ car.
He should have gotten a Supra or at least a G35 since those look much nicer than the Nissan.
Why didn't he know what gear he should be in to dyno?
Was he listening to you?
You've spent a fair amount on your Supra. Get a WB with datalogging capability. That will help you sort out fuel issues if nothing else.
Good luck!
Dan
I stand corrected. The Karman Vortex AFM on our cars has an integrated temp sensor so the ECU should be receiving a signal based on on air temp and flow.
Just like Blake said.
Edit- It appears that the temp sensor in the AFM sends a separate signal to the ECU.
The Karman signal should...
I was thinking specificaly of tuning with a piggyback for open loop or WOT.
Our WOT fuel/timing maps are learned maps based on info from closed loop operation.
Timing is adjusted by the ECU based on the knock sensors.
Is the open loop learned fuel map constantly being adjusted each day...
Wouldn't running your car in 40 degree temps VS 90 degree temps make a difference in your A/F ratio with nothing else changed.
I would think that you would remove more fuel with your piggyback tuning device when it is warmer and less when colder to achieve the same A/F ratio.
Please...
My best is 13.5@108/ 345whp/ SP61GT@13.5 psi on 17 inch Kumho 712s with a 2.26 60 on a 90+ day with high humidity.
Looks like we are on the same path.
I too will see 12s before winter on way or the other.
Good luck.
Dan
I am amused.
Remember when using the stock Supra jack to jack up one side of the car and then realize you can't get the car high enough to place the jack stand where you want it, remove the jack stand out from under the car completely before lowering the stock Supra jack.
And that boys and...
Not looking to argue.
With that said, 8psi isn’t 8psi.
My reasoning is that with a larger turbo you make more HP with 8psi than with a smaller turbo.
I tend to agree with the efficiency statement but only after you move the smaller turbo out of its efficiency range or don’t...
my requirc value was making noised kind up like that. I took a few of the washers out and it got a bit better.
How old is that Bosch? Did the 103 make any difference?
Dan
Use your money for clean up and replacing the items of wear until you can do the swap.
To make an N/A Supra fast requires a complete teardown/build up of the engine and other components.
If you want cheap power go with N02, it will give you the fun you desire and move you more quickly on...
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