JB4

Thatguyw_stat

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Anyone trying this alternative for tuning? Is it possible . Engine management is technically the same for all B58..




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kona61

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Anyone trying this alternative for tuning? Is it possible . Engine management is technically the same for all B58..
It will. Burger is currently working on calibration if I heard correctly
 

s219

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Should work. Only seen one guy post that he's running it thus far.
 
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Thatguyw_stat

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But I mean to use it for more tuning accessibility since I keep hearing there’s an issue escalating boost the ECU limits 23lbs where our Pure turbos can get +\- 30lbs for that 650whp
 
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Thatguyw_stat

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We can crack 9s with 650whp and a slick. Which is what I want to do. Full weight 9s on a tire
 

Apliiqq

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We can crack 9s with 650whp and a slick. Which is what I want to do. Full weight 9s on a tire
Over the winter that's what I will be trying for. Going to have a full exhaust fabbed up, new manifold, new turbo, fueling everything. I'm just trying to enjoy it stock for the moment.
 

LS3Twins

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It will. Burger is currently working on calibration if I heard correctly
I am currently the only one using JB4 on the Supra. I have been working with Terry and have had it on there for almost 4 weeks now. I made 424whp and 482ft/lbs on Map 3 and that is on 93 octane with intake and downpipe. He is not working on a calibration as this was a standard B58 JB4 and everything was plug and play.
 

kona61

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I am currently the only one using JB4 on the Supra. I have been working with Terry and have had it on there for almost 4 weeks now. I made 424whp and 482ft/lbs on Map 3 and that is on 93 octane with intake and downpipe. He is not working on a calibration as this was a standard B58 JB4 and everything was plug and play.
Oh okay, I had been told they possibly needed to adjust the maps, but I guess not!
 

Mk5nut

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I am currently the only one using JB4 on the Supra. I have been working with Terry and have had it on there for almost 4 weeks now. I made 424whp and 482ft/lbs on Map 3 and that is on 93 octane with intake and downpipe. He is not working on a calibration as this was a standard B58 JB4 and everything was plug and play.
Do you use bmw intake? I can't seem to find one for supra.
 

LS3Twins

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Do you use bmw intake? I can't seem to find one for supra.
There weren't any options out for intakes when I wanted it so I drew a new senor flange in CAD and had it machined. I took the time to design it exactly like the OEM. I fabricated a new intake with a provision for the new flange, TIG'd it and got it powdercoated black. I paired it with a K&N cone filter for maximum flow. I will upload some pics hopefully tomorrow. I have the filter going into the area leading to the front bumper for cooler air. Sounds amazing and works even better.
 

LS3Twins

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Oh okay, I had been told they possibly needed to adjust the maps, but I guess not!
Yeah I ran maps 1-3 and datalogged each one and they were all good!
So far the car has experienced: 7 dyno pulls, 1/4 Mile Runs, Tail of the Dragon runs 10+, and roll racing. Pushing 6psi over stock and absolutely no issues so far. The datalogging on the fly has been super convenient for this process.
 

larrymz3

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I'm trying to decide between JB4 and BM3. Why did you decide to go with JB4 instead of a bench flash?
 

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