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2530, Hi-flo R33 Or Hi-flo R34 Neo

123456

By 123456,
in Engines & Forced Induction

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r3240sx Enthusiast

r3240sx

Posted
Posted
Ah true? He didn't mention it, just said maybe cam gears or something from memory. Need to save up a few hundred dollars for it to get dyno tuned again i spose, balls

Did I read that right...? you hit 14 psi at 5800 rpms?!?

Sounds like if you replaced your turbo/manifold gaskets you'd get better spool than if you upgraded to a ball bearring turbo!

Seriously, thats and unhealthy late spool.

limpus Mentor

limpus

Posted
Posted

This might be alittle off topic but then again it could help this guy out...Does anyone have a dyno graph of a sliding performace rb20 highflow on an rb20? it'd be good to compare it to all the other graphs on the rb20 thread...

123456 Proficient

123456

Posted
  • Author
Posted

Just had a look through the RB20 topic and dam theres something bottleknecking my car's performance bad. Most of the standard r32 turbo's are maxing at 140, some 145, mines alot bigger than the standard and it's maxing at 142 so something wack there. Most r33 turboes are making the power about 15-20 km/h higher than i am.

r3240sx Enthusiast

r3240sx

Posted
Posted
Just had a look through the RB20 topic and dam theres something bottleknecking my car's performance bad. Most of the standard r32 turbo's are maxing at 140, some 145, mines alot bigger than the standard and it's maxing at 142 so something wack there. Most r33 turboes are making the power about 15-20 km/h higher than i am.

You're damn right there is!

I put down 219 hp, or 163 rwkw, at 12 psi on my rb20 turbo. SAFC, open downpipe, FMIC.

My roommates car made 258 hp 259 tq on his r33 turbo @ 16 psi.

limpus Mentor

limpus

Posted
Posted (edited)

Same here...i've got a standard engine with standard turbo, exhaust, fmic, fuel pump and dr drift remap and it laid down 160rwkw at 12psi too on Sam's dyno...so theres definitely something wrong with how much power you're making...

Edited by limpus
NICKS33 Collaborator

NICKS33

Posted
Posted

full boost should be lower....3500rpm on my cousins 32 with 33 turbo...

i thought that the comprimise of 500rpm of response for the extra power up top of the 33 turbo was well worth it...

also running 14psi on the 34 turbo on a rb20 is roughly the same as running 12psi on a rb25....

Sl!m Grand Master

Sl!m

Posted
Posted
This might be alittle off topic but then again it could help this guy out...Does anyone have a dyno graph of a sliding performace rb20 highflow on an rb20? it'd be good to compare it to all the other graphs on the rb20 thread...

This was a write up done on Sliding Performance turbo's on an RB20DET proving that even the standard RB25 highflow is more then capable of creating 230rwkw. http://www.skylinesaustralia.com/forums/in...142615&st=0

salad Veteran

salad

Posted
Posted

Your power drops off far too early...

I've got max power at 6500rpm and then at 8000rpm I've got the same power as at 5300rpm. RB20 with R33 S2 turbo.

You should have something pretty similar seeing as you've got the same turbo except the bigger turbine housing.

123456 Proficient

123456

Posted
  • Author
Posted

Hmm damn, lots of responses saying it's shagged, sucks that it's not easily diagnosable (<< how the hell do u spell diagnosable) and the fact that the guy who tuned it didn't mention that it was dropping off prematurely worries me, hope my engines not rooted, i thought it was pretty good. Any one know of any dyno nights closer to greensborough/watsonia/eltham area coming up soon so i can see if the cat/dump has made any difference (i normally dont rev the thing past about 6.5k anyway)

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