CXRacing Twin Turbo Conversion - Electronic Throttle Control
Discussion
Hello people,
Am after some tech advice, I own a Monaro and am looking at fitting a CXRacing Twin Turbo conversion from the US, my car has the 5.7 GenIII LS1 but has the drive by wire electronic throttle control (8 pin version), I am sure I have read somewhere during my research that forced induction causes problems with this sort of electronic throttle control. I was just wondering if any of you guys have had any experience with similar set-ups? Additionally to this how did you go on with mapping, did you do it yourself with efilive or similar or have it mapped on a rolling road?
Apologies for all the questions - any advice is greatly appreciated!!!
Thanks in advance,
BigG.....
Am after some tech advice, I own a Monaro and am looking at fitting a CXRacing Twin Turbo conversion from the US, my car has the 5.7 GenIII LS1 but has the drive by wire electronic throttle control (8 pin version), I am sure I have read somewhere during my research that forced induction causes problems with this sort of electronic throttle control. I was just wondering if any of you guys have had any experience with similar set-ups? Additionally to this how did you go on with mapping, did you do it yourself with efilive or similar or have it mapped on a rolling road?
Apologies for all the questions - any advice is greatly appreciated!!!
Thanks in advance,
BigG.....
Buns all round for the inevitable fight before the post is deleted...
For the record, my Gen-TTR kit never quite lived up to the hype on their website. Maybe it would have done better with forged internals, uprated fuelling, an aftermarket ECU and a day or two building a map on a rolling road. It did make 590hp on one rolling road outing and 525hp on another.
I personally never altered the wastegate springs or the boost setting. I might tinker with spanners, but I leave that sort of work to others. Too much boost was certainly it's demise, but I've no idea what cause it. The boost settings had been recently 'upped', but that didn't account for the spike recorded on the controller before I lost a piston.
That's the joy of modified (and especially FI) engines
I've had this kit (CXRacing) on my watch list for ages. It's very cheap, so I'd imagine that the turbos are cheap Chinese units that won't last. Bit like the ones that came with the Gen-TTR. My interest in the kit is with the pipework. I paid more than this entire kit for the stainless work on my Monaro, so if the fabrication is any good then this is a steal.
For the record, my Gen-TTR kit never quite lived up to the hype on their website. Maybe it would have done better with forged internals, uprated fuelling, an aftermarket ECU and a day or two building a map on a rolling road. It did make 590hp on one rolling road outing and 525hp on another.
I personally never altered the wastegate springs or the boost setting. I might tinker with spanners, but I leave that sort of work to others. Too much boost was certainly it's demise, but I've no idea what cause it. The boost settings had been recently 'upped', but that didn't account for the spike recorded on the controller before I lost a piston.
That's the joy of modified (and especially FI) engines
I've had this kit (CXRacing) on my watch list for ages. It's very cheap, so I'd imagine that the turbos are cheap Chinese units that won't last. Bit like the ones that came with the Gen-TTR. My interest in the kit is with the pipework. I paid more than this entire kit for the stainless work on my Monaro, so if the fabrication is any good then this is a steal.
stevieturbo said:
The Chinese turbos have come a long way, some of the yanks love them for their budget builds. And even if it does fail, just buy a better turbo at a later date.
Do the US kits fit the RHD cars ok ?
According to their eBay listing, they've tried to accommodate RHD cars , but haven' tested it:Do the US kits fit the RHD cars ok ?
http://www.ebay.co.uk/itm/181560722475?_trksid=p20...
I ran a chianese t4 turbo on an Audi 80 with a 20v five pot I built.
I didnt get silly on the boost, ran 0.7 bar. it made 330 bhp and lasted at least 3 track outings and over 3000 road miles.
Can't moan for a £150 turbo.
Saying that I'd not run it at the 1.5 bar id have been happy to put through a garret or similar.
I'd say for a non modified engine where your limited to low boost anyhow,the China turbos are fine. May as well have a supercharger though.
I'm tempted to try a rear mount turbo set up using comp turbo's oil less turbo.
I didnt get silly on the boost, ran 0.7 bar. it made 330 bhp and lasted at least 3 track outings and over 3000 road miles.
Can't moan for a £150 turbo.
Saying that I'd not run it at the 1.5 bar id have been happy to put through a garret or similar.
I'd say for a non modified engine where your limited to low boost anyhow,the China turbos are fine. May as well have a supercharger though.
I'm tempted to try a rear mount turbo set up using comp turbo's oil less turbo.
Edited by fred bloggs on Friday 8th April 20:55
wormus said:
To be honest, if your engine is stock and up to about 750hp, stick to a supercharger. You'll get better results and you will be happy.
That's still going to be a lot of heat to shed. Do you keep the knock sensors active to protect the engine in a blown set up? I guess it would be crazy not to. Even more so on stock pistons.Edited by Boosted LS1 on Saturday 9th April 07:43
fred bloggs said:
I ran a chianese t4 turbo on an Audi 80 with a 20v five pot I built.
I didnt get silly on the boost, ran 0.7 bar. it made 330 bhp and lasted at least 3 track outings and over 3000 road miles.
Can't moan for a £150 turbo.
Saying that I'd not run it at the 1.5 bar id have been happy to put through a garret or similar.
I'd say for a non modified engine where your limited to low boost anyhow,the China turbos are fine. May as well have a supercharger though.
I'm tempted to try a rear mount turbo set up using comp turbo's oil less turbo.
IMO Comp turbos, especially their oil-less would be a far bigger gamble than any chinese turbos...especially given the price.I didnt get silly on the boost, ran 0.7 bar. it made 330 bhp and lasted at least 3 track outings and over 3000 road miles.
Can't moan for a £150 turbo.
Saying that I'd not run it at the 1.5 bar id have been happy to put through a garret or similar.
I'd say for a non modified engine where your limited to low boost anyhow,the China turbos are fine. May as well have a supercharger though.
I'm tempted to try a rear mount turbo set up using comp turbo's oil less turbo.
Edited by fred bloggs on Friday 8th April 20:55
They really dont seem to be well proven units yet, and from what I gather are very much a maintenance item with them requiring new lubricant quite often
BigG2 said:
Big difference in price though I think
Not by the time you've paid somebody to fit & tune it, all the money is in the labour and you pay by the hour. If you are fitting it yourself then yes, it's a different matter.Supercharger will really wake the car up and it's been done 100 times & therefore a known quantity.
In answer to your original question about throttle bodies, I'd fit a 90mm LS2 throttle body with one of these converters: http://www.torquerush.com/
My car has the same 8 pin arrangement as yours and works fine. All the LS2 cars on here also have ETC and many are supercharged/turbocharged.
Edited by anonymous-user on Saturday 9th April 11:14
stevieturbo said:
IMO Comp turbos, especially their oil-less would be a far bigger gamble than any chinese turbos...especially given the price.
They really dont seem to be well proven units yet, and from what I gather are very much a maintenance item with them requiring new lubricant quite often
I did think this too. If its £500+ each turbo and it only lasts a year its not such a great idea. But if they work itll be real neat for a rear mount. They really dont seem to be well proven units yet, and from what I gather are very much a maintenance item with them requiring new lubricant quite often
fred bloggs said:
I did think this too. If its £500+ each turbo and it only lasts a year its not such a great idea. But if they work it'll be real neat for a rear mount.
The Comp oil-less turbos are nowhere near £500 each !The Chinese turbos can be bought for under £200 in some cases, which is insane. I couldnt do it myself...but if building a real budget build, it'd be mad not to consider them
wormus said:
Not by the time you've paid somebody to fit & tune it, all the money is in the labour and you pay by the hour. If you are fitting it yourself then yes, it's a different matter.
Supercharger will really wake the car up and it's been done 100 times & therefore a known quantity.
In answer to your original question about throttle bodies, I'd fit a 90mm LS2 throttle body with one of these converters: http://www.torquerush.com/
Yeah I will be fitting it myself and then taking it for mapping on a RR unless anyone knows where I can get a map for efilive or equivalent, I assume it would be better set up on a RR anyway? I priced up a Procharger kit and it was 6.2k and as we all know second hand chargers are hard to come by.Supercharger will really wake the car up and it's been done 100 times & therefore a known quantity.
In answer to your original question about throttle bodies, I'd fit a 90mm LS2 throttle body with one of these converters: http://www.torquerush.com/
Edited by wormus on Saturday 9th April 11:14
With regards to the turbo conversion, I assume you have to convert to wideband lambda sensors, if fitting a afr gauge do you have to fit 2 as in one for each lambda?
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