How to turbo your N/A

[666DAN]

I have just finished my turbo conversion in the uk and made 310 bhp and 275 lb/ft torque at 9psi would highly recomend this conversion to any one . Thanks for the idear and info 666DAN with out this forum and your info i would still be driving a 200ish bhp A/N and wanting more power . So thanks again i have added a pic of what she look like .

Nice effort!!! Glad you gleaned some useful info from this thread It is worth doing and can be done very well as your numbers prove.

[linedup33]

hey just wondering how would you's adjust the ignition timing? is there any way of doing it without changing the ecu?

[666DAN]

You can get add-on products that drop timing per psi of boost. But they're just as expensive sometimes as something like an e-manage blue.

[-=white-zombie=-]

thanks guys just what i wanted to hear, i wont want to do any tuning or boosting, just want low boost to give some decent low down torque that the n/a sucks arse at.... so i should definately use the rb25det ecu, and what turbo will best suit the rb25de, the rb20 or rb25 turbo? and will i have to mod my loom at all for the turbo ecu

[666DAN]

If you upgrade the injectors, fuel reg and fuel pump to GTSt spec, then the RB25DET ECU will be fine and be plug 'n' play. Bolt on an RB25DET turbo and run at stock actuator pressure and it should all work a treat.

Don't get a smaller turbo as it will spool *way* too early.

[-=white-zombie=-]

cheers dan

with the rb25det turbo do you need to hook up a boost solenoid or somthing aswell, or not worry if just running low boost

[-=white-zombie=-]

cheers dan

with the rb25det turbo do you need to hook up a boost solenoid or somthing aswell, or not worry if just running low boost

[-=white-zombie=-]

cheers dan

with the rb25det turbo do you need to hook up a boost solenoid or somthing aswell, or not worry if just running low boost

[666DAN]

Yeah don't even bother with the solenoid, your actuator will function between 5-6.5psi (pending condtion) as is

[Dale FZ1]

It's not so much about the power numbers but the response with running an engine spec like this. Run with an intelligent tune there is no reason why it wouldn't/couldn't be reliable, possibly more economical, and with the sort of power that works well on the street.

That said, do we have any dyno sheets of any description?

Here's a graph of my RB25DET running 12psi to achieve 300hp. It's not overpowering, but very useful and responsive. The dip right at the top end is from pulling ignition to combat knock. I've considered that a well thought-out DE-spec engine with similar power numbers would be even nicer, response wise on the street. Perhaps water-meth is the key to making one detonation proof?

Edited March 28, 2007 by Dale FZ1

[linedup33]

just a question, were do u install the bov?

[666DAN]

I used the factory crossover pipe, with BOV fitted to it.

[linedup33]

ok kewlies..if u dun use a bov will it cause ne damage?

[666DAN]

Yeah with no BOV you'll find it laggy between gearchanges, and it isn't the best for the turbo.

[SiR_RB]

how hard/difficult would it be to take out the rb25de from an r33 series 2 manual, and put in an rb25det engine and ecu?

what would be needed? would all the wiring match up? im guessing it wont....

any help would be great

thanks

[shawny]

It's not so much about the power numbers but the response with running an engine spec like this. Run with an intelligent tune there is no reason why it wouldn't/couldn't be reliable, possibly more economical, and with the sort of power that works well on the street.

That said, do we have any dyno sheets of any description?

Here's a graph of my RB25DET running 12psi to achieve 300hp. It's not overpowering, but very useful and responsive. The dip right at the top end is from pulling ignition to combat knock. I've considered that a well thought-out DE-spec engine with similar power numbers would be even nicer, response wise on the street. Perhaps water-meth is the key to making one detonation proof?

This is the dyno sheet for my turboed RB25DE at 9psi

Edited May 15, 2007 by shawny

[Judasentinel666]

This is the dyno sheet for my turboed RB25DE at 9psi

Hi Shawny,

Nice numbers. What mods do you have on your car? I am a new member here, from Canada, and have been having all sorts of troubles. If you can help me with stuff here, I would be grateful. I have an RB25DE with an R33 turbo on it, Trust FMIC, 370cc injectors, Turbosmart BOV and boost controller, with stock RB20DET ECU and Gredy E-Manage). Everything else is stock from my RB20DET days. Since they are new to Canada (how pathetic this is, lol), not many people know how to fix a Skyline, at least not as much as Australia or UK or Japan.

I am having troubles with idling (The TPS I am using is for the RB25DE, but my ECU is RB20DET, and the AAC valve is not working)....the cars sputters and backfires a lot, it hesitates under load and when I give gas. The power just doesnt seem to be there. Right now, after being dynoed once (260 rwhp), it has started sputtering between 2000-4000 rpm range, and the sudden bog/hesitation is still there. I dont know what is going on. What do you suggest? Also, please do share what youve done to your motor to get such impressive numbers. My motor also has the VCT on the intake side, but I dont know how to activate it with a switch.

Thanks,

Judas

Edited May 18, 2007 by Judasentinel666

[DiNoBoNeS]

i have a neo st8 6 is it easy to fit a turbo on it i have been told

to Find a R33 with a turbo and fit it... (cheeper option)

and to fit a kit (if i can find one) will be around 13,000 bucks

but its hard to find one because the darn company went in 2 relaps and stop making turbos 4 the

neo st8 6

[Chi100188]

errr have u not read the start of the post dinobones? all u need is just a stock R34 turbo with FMIC/or SMIC with standard turbo computer and the oil lines tapped and water lines etc....then your all good to turbo and do something with the timing and thats it no need 13 000

CHeers

Chi

[unarmed_skyline]

Munib, are u sure the car is not going into rich and retard, i had same sort of prob when i had a piggy backed na ecu, microtech solved my dramas but some sort of timing control is akll u might need