Guest Enzo Posted October 4, 2006 Share Posted October 4, 2006 ok i have two options here,I've found a company that sells hybridised ct9-as with a ct20 compressor wheel but as the exhuast ports ont he a's are more restritive ive been told that a ported ct9-b would be betterive never atualy heard of a ct9-b being hybrised?does anyone know hwat options are available to do with this ?? Quote Link to post Share on other sites
gaz Posted October 4, 2006 Share Posted October 4, 2006 glanza_ragger found a company that refurbs and hybridizes turbos think it was AET... they said they could hyrbid ct9's and they would accept his turbo which is a ct9-b.ring them upim assuming this is there site http://www.aet-turbos.co.uk/best to speak to glanza_ragger though Quote Link to post Share on other sites
Guest Enzo Posted October 4, 2006 Share Posted October 4, 2006 ive actualy phoned these guys that craig is using this morning and just waiting on them getting back with a reply, not sure if thats the comapny you posted though Quote Link to post Share on other sites
Guest Enzo Posted October 4, 2006 Share Posted October 4, 2006 ok so for £585 they will basicaly cahnge your compressor wheel for a garrot one and do abit of porting if required,,meaning i can run up from 18 to max 20 psi,they do exactly the same for the ct9-a so...if you change the compressore wheel does it affect turbo lag at all???i dont think this reprisents great value so im probably gona port my current ct9, as they they are not efficient, & get a filter off the turboi realy dont want to change my turbo as i love it how there is no lag at all,get the head ported and polished and spend the rimainder on a barel coolerthen again, what you said about the smaller series garrot turbos Adrian sounds interesting, might look into that but first off i need to learn about compressor maps, Quote Link to post Share on other sites
Glanza_Ragger Posted October 5, 2006 Share Posted October 5, 2006 compressor maps ? as in ecu fuel mapping ?!you wont need to map it if you fit a hybrid dude, just fit a hybrid along with a rrfpr and a decent rated fuel pump. obviously either an ecu upgrade or fcd will be needed to run above fuel cut. Quote Link to post Share on other sites
Guest Enzo Posted October 5, 2006 Share Posted October 5, 2006 lol no i dont mean fual mapping lol, and im not goin that crude route, i have everything planned out,every turbo has a compressor map so you can choose the right one for the right job,i need to find out which turbo with the right compressor map to suite my needs i remember adrian goin on about either a gt15 or gt20 garrrot turbo. Quote Link to post Share on other sites
ecksjay Posted October 5, 2006 Share Posted October 5, 2006 i'm pretty sure the wastegate being the weak link of the ct9 wont allow you to run 20psi, thats why loads of people suffer from boost creep etc.would be severely unstable etc, hence why people are having so much trouble with the wepr hybrids.for the price of that hybrid, you could get a full td04 setup! Quote Link to post Share on other sites
rorenapier Posted October 5, 2006 Share Posted October 5, 2006 The WEPR hybrid pulls alot harder than a tdo4.The last rr day i was at,my car pulled all the way to 7200rpm,unlike a tdo4,the power dropped off before 7200rpm.Enzo,what are these maps you are on about??Why dont you get the T3 internalls in the ct9b,It would give a good hike in power and the lag would be minimal,due to the AR of the ct9 housing.Speak to killamatts from TGTT.com,he had one for sale a wee while ago.Rory Quote Link to post Share on other sites
lobotomy Posted October 5, 2006 Share Posted October 5, 2006 I worked out a Garrett GT20 would be pretty ideally suited to the 4EFTE -- But going by what Paul said mapping the GT last month with the TD04, it sounds impressive!The compressor maps for turbos tell you how efficient a the compressor of a given turbo will be at certain RPM's & boost levels... The one for the GT15 is:I've got loads of bits of paper lying around with calculations on for the 4E but it took a lot of assumptions -- which could maybe be improved on.[edit]Garrett says the GT1548 only serves up to 200bhp -- but reckon the turbine wheel would give almost no lag whatsoever[edit] Quote Link to post Share on other sites
Glanza_Ragger Posted October 5, 2006 Share Posted October 5, 2006 good man lobo. hunt them out and post em up Quote Link to post Share on other sites
lobotomy Posted October 5, 2006 Share Posted October 5, 2006 You can get most of the Garrett ones out of the online garrett catalogue.I had bookmarked a site with loads of compressore wheel and turbine wheel sizes and AR's for the various TD04 turbos aswell. I'l need to look it out -- might be on my bro's comp. Quote Link to post Share on other sites
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