Snakeysteve Posted June 18, 2020 Share Posted June 18, 2020 Hi i have a hx55 holset turbo on my car at the moment and its far too laggy for my liking. what are peoples suggestions for a turbo for around 700bhp? i was thinking maybe a gtx3582r? thanks Quote Link to comment Share on other sites More sharing options...
AC93 Posted June 18, 2020 Share Posted June 18, 2020 I have a Borg Warner S364 SXE ...should make 700hp comfortably but will find out when it goes for mapping Quote Link to comment Share on other sites More sharing options...
Luxluc Posted June 18, 2020 Share Posted June 18, 2020 I guess you want 700bhp on pump gas? Then, go for 6466. Quote Link to comment Share on other sites More sharing options...
Noz Posted June 18, 2020 Share Posted June 18, 2020 Id use a 62mm turbo. Moving into the 64mm will give more power opportunity that you don't need. My 62mm can do 750hp. 6251r. Id not up the size. Just my views Quote Link to comment Share on other sites More sharing options...
m4dsup Posted June 18, 2020 Share Posted June 18, 2020 6466 gen 2 Quote Link to comment Share on other sites More sharing options...
ShawnPreece Posted June 18, 2020 Share Posted June 18, 2020 Depends on budget, from researching a precision 6062 gen II will do 700 and be fast spooling or a Garrett equivalent in their range would obviously be great but all depends on budget really Quote Link to comment Share on other sites More sharing options...
Mo Reviews Posted June 18, 2020 Share Posted June 18, 2020 A 6262 DBB or 6266 DBB would be more than adequate. Quote Link to comment Share on other sites More sharing options...
jcbt Posted June 18, 2020 Share Posted June 18, 2020 Precision 6266 for 700 or 6466 for when you get bored and want 800 Quote Link to comment Share on other sites More sharing options...
DamanC Posted June 19, 2020 Share Posted June 19, 2020 Hovis Quote Link to comment Share on other sites More sharing options...
Luxluc Posted June 19, 2020 Share Posted June 19, 2020 Precision 6266 for 700 or 6466 for when you get bored and want 800 Listen to John : go 6466 ..... you will be bored with 700 quite fast Quote Link to comment Share on other sites More sharing options...
black_widow87 Posted June 19, 2020 Share Posted June 19, 2020 I have a Borg Warner S364 SXE ...should make 700hp comfortably but will find out when it goes for mapping What boost pressure you running mate? I have the same turbo but yet to dyno. I'd be chuffed if it makes 700hp at 1.6bar..! Quote Link to comment Share on other sites More sharing options...
James Posted June 19, 2020 Share Posted June 19, 2020 A 6266 GEN2 DBB will do 700 on V Power so long as you have other sufficient supporting mods (cams etc.). Very fast spooling. If you factor in 50% ethanol to a 700bhp pump setup you would yield ~780bhp depending on the mapping. Reference for this is a previous build by SRD (JamieP's old white Supra 'Goose'). Worth searching old threads to locate that one to cross-check the rest of the build spec. Quote Link to comment Share on other sites More sharing options...
AC93 Posted June 19, 2020 Share Posted June 19, 2020 What boost pressure you running mate? I have the same turbo but yet to dyno. I'd be chuffed if it makes 700hp at 1.6bar..! I have a forged block with BC 264 cams, hoping for 700ish. Will find out for sure once it goes to SRD for mapping Quote Link to comment Share on other sites More sharing options...
T2 MSW Posted June 19, 2020 Share Posted June 19, 2020 Its all dependent on a lot of variables. Everyones gone straight for the tubby but the type of manifold you have and the wastegate you have all make a difference. You say its laggy, when do you achieve full boost at what Revs? I had this issue with my T67 for and it transpired the wastegate spring was knackered. The whole setup is important but the most important factor of all is your mapper. your average Joe Blogs will just map the car as it is and had it back to you, yeah it made 600 hp now pay me. A really good mapper will look at the setup of the car have an understanding of what the car should make and point out issues too you. It made 600hp but the fueling really held it back and I would advise blah blah blah. Good mappers are worth their weight in gold. Quote Link to comment Share on other sites More sharing options...
Luxluc Posted June 19, 2020 Share Posted June 19, 2020 Good point mate. All the components are important. Neglect one, and impact will be on the efficiency of others Quote Link to comment Share on other sites More sharing options...
Snakeysteve Posted June 22, 2020 Author Share Posted June 22, 2020 from looking a bit further at mine its running very small intercooler piping so im going to change that to a better size. ill try that and get it mapped again and see if that helps. thanks for the responses will keep them in mind if i do decide to change the turbo Quote Link to comment Share on other sites More sharing options...
Luxluc Posted June 22, 2020 Share Posted June 22, 2020 What diameter are you running? Quote Link to comment Share on other sites More sharing options...
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