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Finally Put Down Some Decent Numbers! Have Some Questions..

hybrid_eg

By hybrid_eg,
in Engines & Forced Induction

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hybrid_eg Enthusiast

hybrid_eg

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Finally got it all together and did first dyno session putting down some decent numbers.. I do have to go back and retune again as brand new power FC boost controller did not work again so we ended up running it on manual boost controller. I will be getting an electronic one so i'll re-tune again and likely play with cams/gears--currently set at zero. My main question is, what are some general boost levels that many of you run on your cars? I plan on running this motor regularly at 22-25psi.. car will only be used for couple of monthly coffee meets and occasional evening night rider passes.. along with few drift events each year.

Any feedback is greatly appreciated!

Set up is as follows in S13 chassis

Mildly built R33 (pistons, rods, upgraded oil pump, HG, head studs, tomei poncams type B

1000cc injectors running power FC d-jetro

e85 race gas

all the misc bolt-on's you can think off

running GTX3582R, .82 rear

Here is what it made at 22psi..

post-85838-0-57047600-1454108823_thumb.jpg

Edited by hybrid_eg
hybrid_eg Enthusiast

hybrid_eg

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Thanks for the info gents!! I wanted to make sure that 22-25 is not excessive.. we can def run higher boost.. just decided to end it at 22psi as we were already sitting on the dyno for 4hrs setting up from scratch.. i guess we will have to hit 2 bar next time around! Max out that profec A, lol!

hybrid_eg Enthusiast

hybrid_eg

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I honestly have no idea!! We've triple checked that everything is connected as per manual and still nothing.. i bought it brand new last year along with new LED commander.. i did read that many people had problems with getting it to work.. overall PFC is just prehistoric in my honest opinion.. works OK, but i will probably switch out to different standalone later this year...

first time i went to dyno last year i had 1.02 rear housing which was just too big.. and soft springs in the 50mm gates so the car only made 10psi and it took forever to build 10lbs.. this time around i swapped stiffer springs in the gates and thought that PFC boost kit is now all working properly.. when we got there it wasn't.. however springs were good to make 17lbs.. so the we opted to connect manual boost controller hence how we got to 22psi and stopped there..

I'll be throwing on a good 'ol Greddy Profec A which i never had a problem with and do another session once the car is out of paint..

At this point I'm just happy to making some power! As the car had been sitting idle in garage for years being worked on as time permitted.

KiwiRS4T Grand Master

KiwiRS4T

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Pretty impressive numbers. Just keep increasing the boost until it becomes counter productive - wouldn't have thought there was much more in it but interesting to see.

I would recommend a Link ECU with a Mac Valve to control boost. Pretty laggy - I presume this is for track or drag racing?

hybrid_eg Enthusiast

hybrid_eg

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I'm pretty sure it will hit close to 700 if not more at 26psi.. We will see once the new boost controller is in and dynoed again.. I also ran that filter condom which I hear robbed easy 10-15hp..

Overall I really can't even use the amount of power it's currently putting out let alone adding more, but good to know that it can..

Driveability I was never looking for fool boost at at 3K, car is mainly used for drifting and fun on the street so this band should work ok with some massive rubber.. It's running a brand new rb25 box and we will be putting a 4.6 final drive ring and pinion to make it even more fun :) I'll report back once she's all together

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