How To Set Up Intercooler With Stantard Boost Solenoid, I Need Help Please

[DylanGTSR400]

Hey there people, i am just needing help on installing aftermarket intercooler and the pressure lines on a 93 r33.

I have have already mounted and secured the intercooler, but i had to cut the whole down under the radiator over flow box to let the new intercooler piping in witch now runs just above the radiator fan and into the throttle intake, but the new piping for the intercooler has no pressure nipple before the throttle body witch is normally connected to the turbos waste gate and to the boost solenoid with a brass tee in the middle. there is now only one pressure niple thats on the airflow intake pipe (witch is just before the dump plumb back pipe that has the blocked off pipe for HKS BOV). Do i need to get a nipple weilded before the throttle intake on the intercooler pipe or can i use the pressure hose from the air flow pipe to go to the waste gate and solenoid and block the bottom of the solenoid up to keep ecu happy?

I will post pics asap, any help would be very much appreciate

[KiwiRS4T]

The intake pipe is not under pressure so not a boost source. You can drill and tap the turbo compressor or fit a nipple to the pipe from the turbo to the intercooler. The bleed from the solenoid should not be blocked off but can still run to the nipple in the bov return pipe if that is still connected ...and put the stock bov back if you have a stock ecu.

[DylanGTSR400]

I dont think it has stock ecu, when i bought the car, it had the HKS bov, turbo timer, boost controll unit and a big from mount intercool that followed the stock piping. I got defected and had to go through regency so thats when i put stock plumb back bov, remove turbo timer and put a stock intercooler cause the wanker who had it before me just cut the whole front bar off to mount the intercooler and i had to change exaust and ride hight.. but that was a couple of years ago im now wanting to put some mods back on. I had to remove entire dash and trim because my heater core blew.

[GTSBoy]

The short version of what Bob wrote is....

The boost control signal must be obtained from as close to the turbo outlet as possible.

The longer version of that is....

On R32s and a number of other cars there was a little brass elbow screwed into a spot on the compressor cover, right on the front. The spot to do that is still on the comp covers of R33s, it's just not drilled and tapped. On R33s the factory put the connection onto the turbo outlet pipe on the way to the intercooler. Either of these options are acceptable, but removing the pipe to drill and weld on a tapping point is a lot easier than the compressor.

My own input is;

1) How can you not know what ECU it has in it?

2) If it went to Regency, there is a better than even chance that they had a look because you have to have stock management to pass roadworthy there.

3) The mods you listed that were on the car are not severe enough to warrant a different ECU being installed, unless the boost was wound above 11 psi.

[DylanGTSR400]

I have had the car for over 6 years now, i bought it when i was young and a hormonal teenager, i had 10k in my hand i just bought it and ill admit i knew nothing about cars except it had only done 72,000km and had all the papers work with all service history and only had 1 owner before me, but then i bloody through it all out one day cleaning the car out on accident. So i cant find nothing about it except cloudy memories of what he did and wat was there when i bought it.. but as for the regency i lived out country so i only had to take it to a country regency place and he really only drilled me for the front bar missing because thats were the big intercooler was fitted. So i just took the front bar off an old ford and weilded it on and it passed

[DylanGTSR400]

I lost my license for 2 years and also have a 4x4 my r33 sits on 90,000km now because i havent got to drive it much

[KiwiRS4T]

You almost certainly have a stock ecu. Replace the stock bov (the HKS won't give you any more power) and sell the HKS Bov and the turbo timer (not needed). If you can figure out how to get the boost controller working and set it to 10 -11 psi that will be the optimum for now and you can have a read around this forum on how to get more power if you want (the secret is pretty simple: $$$$$$$$$$$$$$). Don't buy any more parts until you have got a handle on what really is necessary and what is not.

[DylanGTSR400]

Yeah i was under the asumption that it is stock ecu, but the hks bov definitly increased the power and made it feel and sound cleaner.. not that i dont beleive you, the old plumb back coulda just been shit, ill get that nipple weilded on the intercooler pipe before the throttle intake and buy a new boost controller but i ditched the turbo timer ages ago. I just found the water feed pipe on the turbo had a litte cerosion and was leaking so im replacing them all with steel braided lines. Any suggestions on a boost controll unit? The one i gad before was a blue turbo smart tee.

thanks for the help so far guys. Appreciate it

[GTSBoy]

Put the nipple on the hot pipe close to the turbo outlet, not close to the throttle.

Any EBC (Profec, EVC etc etc) will do.