listy Posted June 24, 2012 Share Posted June 24, 2012 (edited) Mine dont need doing, just wondering about a few things. When replacing the stock JSpec turbos, does it have to be with stock JSpec/UK turbos, or can you go aftermarket, but keep the sequential set up? Would you need a new ecu if keeping the sequential set up? If there is no need to replace the ecu, and aftermarket turbos is an option, what would people recommend? I know hybrids are hit or miss, so will be steering well clear of those. I want more power, but dont have the money to go single yet. Has anyone gone aftermarket sequential set up before? Edited June 24, 2012 by listy (see edit history) Quote Link to comment Share on other sites More sharing options...
tony tt Posted June 24, 2012 Share Posted June 24, 2012 I think tooquicktostop (Dean) sent his turbos to CR Turbos for steel internals and he was quite impressed with their work. Might be worth looking into Steel Internals and running TCC. Quote Link to comment Share on other sites More sharing options...
listy Posted June 24, 2012 Author Share Posted June 24, 2012 I think tooquicktostop (Dean) sent his turbos to CR Turbos for steel internals and he was quite impressed with their work. Might be worth looking into Steel Internals and running TCC. Are they not hybrid turbos then? I thought thats what the hybrids were. Oh, and what is TCC? I've seen a few people mention it recently, but have no idea what it is lol Quote Link to comment Share on other sites More sharing options...
Chris Bailey Posted June 24, 2012 Share Posted June 24, 2012 Are they not hybrid turbos then? I thought thats what the hybrids were. Oh, and what is TCC? I've seen a few people mention it recently, but have no idea what it is lol TTC is True Twin Conversion. Basically it means both turbos come on together at about 4000rpm - Well i think thats what it means. Quote Link to comment Share on other sites More sharing options...
Chris Bailey Posted June 24, 2012 Share Posted June 24, 2012 Are they not hybrid turbos then? I thought thats what the hybrids were. Oh, and what is TCC? I've seen a few people mention it recently, but have no idea what it is lol I've just realised you said TCC not TTC lol. Quote Link to comment Share on other sites More sharing options...
listy Posted June 24, 2012 Author Share Posted June 24, 2012 TCC mate But TTC is where both spool and come on at the same time. BIG BIG power but too expensive for me Quote Link to comment Share on other sites More sharing options...
D8MOA Posted June 24, 2012 Share Posted June 24, 2012 (edited) Are they not hybrid turbos then? I thought thats what the hybrids were. Oh, and what is TCC? I've seen a few people mention it recently, but have no idea what it is lol he went for uprated internals but standard size compressor wheels i believe and his is running TTC ( true twin) i dont no what the TCC is your talk of? Edited June 24, 2012 by D8MOA (see edit history) Quote Link to comment Share on other sites More sharing options...
Littler Posted June 24, 2012 Share Posted June 24, 2012 Pretty much what Chris, said but i think they come in a tad earlier than 4000rpm when in TTC, saying that a lot of people said not to run in TTC unless you have a standalone or piggy back ECU due to the fuelling? Quote Link to comment Share on other sites More sharing options...
Chris Bailey Posted June 24, 2012 Share Posted June 24, 2012 TCC mate But TTC is where both spool and come on at the same time. BIG BIG power but too expensive for me Sorry my bad lol....But i cant help you with TCC. I'd like to try TTC mode, Well Adi (letmeshowyou) put my dads one in TTC mode when we was trying to get the second turbo working. Quote Link to comment Share on other sites More sharing options...
listy Posted June 24, 2012 Author Share Posted June 24, 2012 Maybe Tont TT had a typo and meant TTC then. If thats the case, I'm guessing its just a piggyback mapped/programmed to make both turbos come online at the same time? And no actual change to the set up in the bay? Or, are there turbos you can replace the stock ones withto give a bit more power, and keep the sequential system? Which is the question I have really. Quote Link to comment Share on other sites More sharing options...
Josh Posted June 24, 2012 Share Posted June 24, 2012 Search for "fullthrottle" on here as I think he has the standard setup but with new uprated turbos. I was wondering about this in case my turbos go. Quote Link to comment Share on other sites More sharing options...
D8MOA Posted June 24, 2012 Share Posted June 24, 2012 (edited) Maybe Tont TT had a typo and meant TTC then. If thats the case, I'm guessing its just a piggyback mapped/programmed to make both turbos come online at the same time? And no actual change to the set up in the bay? Or, are there turbos you can replace the stock ones withto give a bit more power, and keep the sequential system? Which is the question I have really. i would say no..... your better off rebuilding yours!! the turbos on a supra are unique with the 'bolt' on type intake, and 'v' band type exhaust housing Edited June 24, 2012 by D8MOA (see edit history) Quote Link to comment Share on other sites More sharing options...
tony tt Posted June 24, 2012 Share Posted June 24, 2012 Yes im a mong i meant TTC Dyslexia rules KO! Quote Link to comment Share on other sites More sharing options...
Hellstrom Posted June 24, 2012 Share Posted June 24, 2012 Maybe Tont TT had a typo and meant TTC then. If thats the case, I'm guessing its just a piggyback mapped/programmed to make both turbos come online at the same time? And no actual change to the set up in the bay? Or, are there turbos you can replace the stock ones withto give a bit more power, and keep the sequential system? Which is the question I have really. You need to eliminate iacv vsv aswell as egcv vsv to go ttc. The supra will feel sluggish imo. You basicly call a turbo hybrid when doing any kind of modification to it. 2 hybrid will cost more then a small single Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted June 24, 2012 Share Posted June 24, 2012 Ttc is just swapping 2 pipes about, free, and takes 2 minutes. Quote Link to comment Share on other sites More sharing options...
Nic Posted June 24, 2012 Share Posted June 24, 2012 Standard off the shelf turbos will not fit the stock sequential setup, if you want to keep the sequential setup but want a little more power then hybrid turbos are the only option, these are basically standard turbo housings that are machined to fit larger compressor and turbine wheels. Larger turbos will flow more air into the engine so to run them at full boost you would also need to increase the amount of fuel to the engine with bigger injectors. You would then need a piggyback or standalone ECU to control the fueling and timing. You would probably also need a stronger clutch to manage the higher hp. In all quite a bit of expense for only moderate power gains. Quote Link to comment Share on other sites More sharing options...
listy Posted June 24, 2012 Author Share Posted June 24, 2012 Standard off the shelf turbos will not fit the stock sequential setup, if you want to keep the sequential setup but want a little more power then hybrid turbos are the only option, these are basically standard turbo housings that are machined to fit larger compressor and turbine wheels. Larger turbos will flow more air into the engine so to run them at full boost you would also need to increase the amount of fuel to the engine with bigger injectors. You would then need a piggyback or standalone ECU to control the fueling and timing. You would probably also need a stronger clutch to manage the higher hp. In all quite a bit of expense for only moderate power gains. Cheers Nic, answers my original question Guess I'll stick with saving for a single set up then Can you go single with a piggyback? Or do you need a new full ecu? Quote Link to comment Share on other sites More sharing options...
Josh Posted June 24, 2012 Share Posted June 24, 2012 Cheers Nic, answers my original question Guess I'll stick with saving for a single set up then Can you go single with a piggyback? Or do you need a new full ecu? You can fit a piggyback for going single, but standalone is better Quote Link to comment Share on other sites More sharing options...
listy Posted June 24, 2012 Author Share Posted June 24, 2012 Probably go single with a piggyback (so it happens sooner ) then get a syvecs when money is there. Few things to do first though, including getrag conversion, so will be a fair while until the single conversion gets done Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted June 25, 2012 Share Posted June 25, 2012 TTC is only good on an after market ECU.. Not sure what TCC is.. But If you want to spend money on upgrading the jspecs.. The best option for your money is single turbo.. Quote Link to comment Share on other sites More sharing options...
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