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 Post subject: hi only me
PostPosted: Fri Jul 10, 2009 3:02 pm 
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Joined: Mon Oct 10, 2005 8:01 am
Posts: 150
Location: swamps norfolk
Car Model: ST185 CS/RC
Hi guys and girls been away for a while as the old cs has been off the road. just got her back up and running almost 100% :D

running 1.5 bar boost and getting 326 bhp and 352 lb/ft torque

the problem im having is turdo compression surge on part throatle :( Floor it and its ok try to build the revs up slowishl and it compression surge.

Has anyone come across this before and what did you have to do to stop it
the turbo builds say trim back the blades fensport says its turbo problem but i find it hard to believe it dont do it whenflooring the car only on paert throatle could do with some advice here if pos, just cost just over a grand to have it back on the road and now its seems its going to take anoougher monkey to cut back on what i have

for those you dont know me or forgot i have a red st 185 cs full internal upgrade off market ecu stage 3 turbo blah blah blah im sure you get the picture
oh it still has the liquid cooled intercooler

thks peep

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st185 c/s No 2801
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 Post subject:
PostPosted: Fri Jul 10, 2009 4:53 pm 
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Joined: Thu Jul 14, 2005 12:44 pm
Posts: 4067
Location: drinking devil fuel
Car Model: ST205
are you running a straight intake?


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 Post subject:
PostPosted: Fri Jul 10, 2009 5:19 pm 
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Joined: Wed Jul 13, 2005 6:54 pm
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Whose turbo is it? What specification is the turbo? (ideally need the trim of the compressor wheel and any "hybrid mods").

As steve says - do you have a straight air intake and a low pressure drop filter?

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 Post subject:
PostPosted: Sat Jul 11, 2009 9:02 am 
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Group N
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Joined: Mon Oct 10, 2005 8:01 am
Posts: 150
Location: swamps norfolk
Car Model: ST185 CS/RC
yes straightish intake still have battery in the norm place but no afm anymore turbo is a stage 3 modded norm gt4 turbo not sure of trim mods are full engine rebuild with forged pistons aussie dp mongoss exhaust removed afm nemisis ecu and recirculating dv will try to source the trim

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st185 c/s No 2801
mongoose ex
stage 3 turbo
forged pis
K&n induction
baily recur dv
aussie decat pipe
blitz boost controller
Nemesis ecu

When i am at home my wife is my right hand
When i am at work my right hand is my wife


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 Post subject:
PostPosted: Sat Jul 11, 2009 2:33 pm 
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Joined: Wed Jul 13, 2005 12:06 am
Posts: 4743
Location: Perth, Western Australia
Car Model: ST205
Do you know who built the hybrid turbo? A hybrid can have different work done on it such as a different turbine wheel, compresser wheel, wastegate porting, twin entry porting. Stage 3 can mean different things depending on who built the turbo. e.g. Owen Developments Stage 3 Hybrid CT20b/CT26 would be different from a Turbo Dynamics Stage 3 Hybrid CT20b/CT26

HKS turbos often have an anti-surge compressor intake design and you can modify a Garrett in the same way. I'm not sure I've ever seen a Toyota compressor housing being modified in this way. It may well be that there is insufficient 'meat' in the casting to allow this. In other words your options in this area may be limited if your hybrid is based on the Toyota casting.

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1994 Toyota Celica GT-Four ST205WRC JDM 269bhp @ 0.9bar
1994 Toyota Celica GT-Four Special GT 590bhp @ 1.8bar
1989 Van Diemen RF88/89 Formula Ford 1600
2008 Nissan Patrol GU 3.0L ZD30DDTi 154bhp


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