gt2871r .64ar

[sobigsofly]

just wondering what kind of numbers I should expect to make with this turbo. this being on a s13 redtop with :megan manifold,greddy trust O2 ext,cs 3" turbo back,nismo 555cc's,greddy im,m-spec intercooler,1.2 mm head gasket,arp head studs,greddy lightweight pulley kit

[supreamS14]

well the 550cc are good for 400whp on race gas so if you have the 86 A/r your answer would be Get cams,fule pump, FPR, dyno tune it around 300 whp on pump gas and 400whp on race gas. You should be @ 300 whp at around 15-19 psi.

[Este510]

My coupe made 324 @ 18psi with tomei cams, I get full boost around 3600rpm.

[codyace]

Without cams, it's hard to say. I'd agree with the above poster at roughly 320-340 at 18-19 psi. I would also warn you taht your injectors are on the edge of being maxed out there. No more than 350 wheel should be safe IMO on them.

With a nice set of JWT cams, larger injectors, 20 psi...potentially 370-380.

well the 550cc are good for 400whp on race gas

Race gas vs pump gas has nothing to do with injector size.

so if you have the 86 A/r

He's got the .64. .86 housings are laggy and not fun.

dyno tune it around 300 whp on pump gas and 400whp on race gas. You should be @ 300 whp at around 15-19 psi.

400 is doable on pump. Why run race gas when you can run a Meth Injection kit?

[idahotuner]

so what exactly is the power range for this turbo. what is the highest boost setting you can run.

the stock t25 looses efficientcy at 14psi or so. so what is it for this turbo

[codyace]

Look in my thead at my dyno for the power band.

It's probably 'technically' effecient to 21/22, but pushing it to 24 may yield slightly more torque...

[idahotuner]

sweet thanks. cant wait tel lthe end of them onth so i can order mine.