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Kando Dynamics Turbo

SimonR32

By SimonR32,
in Engines & Forced Induction

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Dale FZ1
Dale FZ1

My 30DET is now running TDO6H 25G, budget build with Hybrid manifold and 50mm Turbosmart gate. Turbine is the 11 blade option with 12cm housing. Tighe camshafts correctly dialled. Track car, chasin

R31Nismoid
R31Nismoid

And r33_racer or whatever also had around that figure too? Maybe it was 380? (struggling to recall)

T04GTR
T04GTR

are theese rubbish china turbos with a badge thats made in japan?

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Birds Grand Master

Birds

Posted
Posted

It's alright, I'll be doing the drag before E-flex so that it's fair :P

But yeah...E-flex is clearly the way to go for street cars wanting big power. Imagine ~300rwkw with response not that far from stock!

ARTZ Grand Master

ARTZ

Posted
Posted

Oh..i guess i should leave the nitrous at home then :(

When I get my frikken car back :/

Have to get it out of the way soonish because I'll be switching to E-flex after a month or so of driving on 98. Time to see what an ethanol powered SS1PU can do :thumbsup:

I went past racepace yesterday, they look busy..pretty sure I saw your car buried in there somewhere though

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

oh so you're switching to the magic juice too?!! dammit >_<

You know you wanna!! As soon as my financials are sorted ill be getting tuned on it AND the nearest servo is about 25mins away, so dont use distance as an excuse :P

Hanaldo Grand Master

Hanaldo

Posted
Posted

You know you wanna!! As soon as my financials are sorted ill be getting tuned on it AND the nearest servo is about 25mins away, so dont use distance as an excuse :P

You think that's bad, I'm pretty sure my nearest servo is also your nearest servo :P

Who wants to help me take down the WA government? Anyone?

GTScotT Grand Master

GTScotT

Posted
Posted

have u got his 98 graph somewhere that you can post up Scott?

I actually found it before lunch, wish you had asked prior lol. Its roughly the page 15 area of his GTX thread.

He made 288 peak, about the same power at 3000rpm and about 20kw less at 4000rpm..

So once your VCT is fixed, you should easily make more at the 3000 mark, and open the gap further at the 4000 mark. Who knows... Maybe the surge cover will also help you clear more up top too.

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

You think that's bad, I'm pretty sure my nearest servo is also your nearest servo :P

Who wants to help me take down the WA government? Anyone?

Haha OK, YOU have a legit excuse :P

But you are all setup for it so go get the WA government sorted :domokun:

GTScotT Grand Master

GTScotT

Posted
Posted

That would be pretty surprising...

Not to me. By my understanding, compressor speed could potentially be hindered by the surge and not recovering in full by peak power.

So if the surge slowed shaft speed theres nothing to say that it wont let it follow through a little further over the whole graph once its fixed.

The above is assuming its not out of puff at its 280kw point (the graph appears to level out but that could be in Jez pulling timing before the redline). Just shift the 'after dip' curve back to where the dip starts and there is this 1000rpm gap up top.. thats 1000rpm of power making potential IMHO.

rondofj Veteran

rondofj

Posted
Posted

Not to me. By my understanding, compressor speed could potentially be hindered by the surge and not recovering in full by peak power.

So if the surge slowed shaft speed theres nothing to say that it wont let it follow through a little further over the whole graph once its fixed.

The above is assuming its not out of puff at its 280kw point (the graph appears to level out but that could be in Jez pulling timing before the redline). Just shift the 'after dip' curve back to where the dip starts and there is this 1000rpm gap up top.. thats 1000rpm of power making potential IMHO.

Hey Dori, do you have any pics of the engine bay esp where the wastegate is connected = all the piping / screamer / intake etc?? Would help others I'm sure and the experienced members might pick up a thing or two with suggestions..:cool:

Lithium Grand Master

Lithium

Posted
Posted

GTScoTT - Easy way to prove you theory would be to pull the wastegate hose off and do a dyno run or a 3rd gear pull, if it doesn't free boost then you're quite right - my money is however on their being no issue with shaft speed, and that the wastegate is earning its cash keeping shaft speed down by those rpm... and I'm pretty sure people mentioned wastegate noise earlier on, which would imply that is definitely the case.

GTScotT Grand Master

GTScotT

Posted
Posted

GTScoTT - Easy way to prove you theory would be to pull the wastegate hose off and do a dyno run or a 3rd gear pull, if it doesn't free boost then you're quite right - my money is however on their being no issue with shaft speed, and that the wastegate is earning its cash keeping shaft speed down by those rpm... and I'm pretty sure people mentioned wastegate noise earlier on, which would imply that is definitely the case.

No. AFAIK its only surging on spool up at lower RPM. So that would mean the WG is still controlling boost once the motor starts to open up. BUT, I still believe that could impact it up top.

Remember the silly RB has a threshold where it opens up around the 4000 mark, and these 20g's are making boost at the 3500 mark.

That being said, there is probably MOAR to be had if we can work out how to make the thing swallow more air before its natural threshold (Peak torque at lower RPM).

Lithium Grand Master

Lithium

Posted
Posted

No. AFAIK its only surging on spool up at lower RPM. So that would mean the WG is still controlling boost once the motor starts to open up. BUT, I still believe that could impact it up top.

I know that, but as soon as the surge goes it will be spooling as per normal - as will be evidenced by the fact that the wastegate is open. If the wastegate needs to open, the shaft speed is MORE than it needs to be... simple as that.

That being said, there is probably MOAR to be had if we can work out how to make the thing swallow more air before its natural threshold (Peak torque at lower RPM).

Thats what VCT is there for, make more torque sub 5000rpm and will also make surge less likely by eating more of the air from the 20G. Should improve spool slightly too, more VE = more gas flow = more turbine driving.

dori34 Grand Master

dori34

Posted
Posted

Hey Dori, do you have any pics of the engine bay esp where the wastegate is connected = all the piping / screamer / intake etc?? Would help others I'm sure and the experienced members might pick up a thing or two with suggestions..:cool:

here's a nice one of the manifold/wastegate pipe glowing

262bgw1.jpg

but i put up proper pics a few pages back, go back & look for it, would've been around Jan-Feb sometime.

GTScotT Grand Master

GTScotT

Posted
Posted

I know that, but as soon as the surge goes it will be spooling as per normal - as will be evidenced by the fact that the wastegate is open. If the wastegate needs to open, the shaft speed is MORE than it needs to be... simple as that.

Thats what VCT is there for, make more torque sub 5000rpm and will also make surge less likely by eating more of the air from the 20G. Should improve spool slightly too, more VE = more gas flow = more turbine driving.

I understand your reasoning, but I also understand my own :ph34r:..

As usual we each have convincing conflicting arguments. Lol. The way I see it, we could both be correct. To put it out there I am pitching my theory as a 'possibility', not a fact. lol

rondofj Veteran

rondofj

Posted
Posted

here's a nice one of the manifold/wastegate pipe glowing

262bgw1.jpg

but i put up proper pics a few pages back, go back & look for it, would've been around Jan-Feb sometime.

Thanks dude, that looks like a nice little oven there though..

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