WOOHOO, 500hp !!!

[becauseican]

So I went to the dyno again to get some bigger numbers and some more tunning. With pump gas (94) and 14 psi It made 394 hp and about 375 tq.

So I put in some C-16 and at 22 psi made 499.2 rwhp and about 465 tq. I know its not exactly 500 but I think thats close enough for me.

I did however max out my top feed Denso 550's, the injectors were at 100% duty cycle according to the E-manage. We tried to up the fuel pressure but it didnt change the A/F's. So I could have easilly bumped up the boost another 1/2 pound but the A/F's were at about 12.5's so I didnt want to melt my engine just to get another .8 hp, LOL. So 550's on a 1JZ are good for 500rwhp max.

Next step is to get some 62 lb ( 680 cc) injectors, turn up the boost to about 25 psi. I figure that should make about 520-530 rwhp, I think that will be about all the GT28R turbos can do. That should do for now.........
__________________

 

[boosted1jz]

congrats!

 

[Dew511]

Niiiice! So envious! Keep up the good work.

 

[Chad]

Nice

 

[drunk_medic]

Will you upload a chart? I'd like to see the curve of the powerband and relation of hp/tq to rpm.

 

[GrimJack]

Congrats Randy!

Are you planning on upgrading the turbos? Seems a little crazy to put in new injectors for an extra 20 hp... unless you were planning on moving to even more down the road, wink wink.

 

[Troyota]

I love the R&D goings on!!! Keep up the excelent work!!!

 

[Reign_Maker]

That is AWESOME! Good job man!

 

[GrimJack]

By the way, folks, just in case anyone hasn't seen his engine bay (Which IMO is a work of art!), here you go:

 

[Reign_Maker]

^^^^ My pants are all wet now!

 

[7MGTESUPRAMAN]

lookin good, nice set up like the twin turbos man your car is clean

 

[Loki]

Congrats Randy, your car is a work of art.

 

[LexusTech117]

I love the pop bottle overflow tank

-Dave

 

[suprabad]

I guess it's ok...just kidding it's awesome...I'm not worthy...

 

[92MK3T]

That bay is sexy!! I'm lovin the pop bottle. I noticed that you said that your injectors were at 100% duty, ideal is 80%, it helps with longevity and reduces the risk of going lean.

 

[bigaaron]

We should nickname your Supra "shock and awe" :aigo: LOL
500whp is freaking awesome! Big props for that twin setup, it's truly "the shit"!

One thing I wanted to comment on I have heard too much lately:
Women are sexy, car's are not. I don't want to fu-k a car. I hope you don't either.

 

[Gurr]

Congrats on that! thats very impressive. Not to sound like an ass or anything, but running the injectors at 100% duty cycle is VERY dangerous. They are more likely to seize up and either become stuck open or closed. Just letting you know.

 

[Dirgle]

I'm sure becauseican is well aware of the dangers involved with running his injectors 100% duty cycle.

That engine bay speaks volumes about your commitment to the MKIII and the 1JZ. That is beautiful man. And props on the 500rwhp

 

[trdmk3supra]

man props to you bic and I was wondering if you are ever going to market that setup or maybe just the manifold and oil lines and the intakes to the turbos.