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Rb26 Build 900+crank Hp

ReganGTS25T

By ReganGTS25T,
in Engines & Forced Induction

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ReganGTS25T Enthusiast

ReganGTS25T

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Well some of you might know me and some of the controversy my car has caused(your numbers are fake aussie dyno's rule etc etc) its an 98 ecr33 40th anny hada built rb25 on it tomei rods cp pistons 35r port n polish stock cams greddy intake mani haltech platinum ems , well that setup dyno'd 607rwhp at 30 psi on pump gas and meth injection on a mustang dyno, some of you may know about them most of you dont go figure, well i took it apart found a nice rb26 from an r33 and started to build it up

here are the specs

arias pistons

tomei rods (from the 25)

kelford 272 10mm lift cams

Haltech Platinum sport 2000

bullseye power S368 (should get me to 1k high boost and race gas)

greddy cam gears

6 boost exhaust manifold

44 tial(high boost aplication)

nismo oil pump

ferrea valve springs n retainers

port n polish

calico coated acl bearings

match ported exhaust intake itb and intake manifold(rb26 comes really badly matched

arp head and main bolts

cometic head gasket

exedy triple carbon

NX single nozzle kit 50-150hp

and thats about it hoping to make 1k on race eventually after allot of fine tuning(hopefully no giggle gas) but should get to 900 prety easily (crank hp)

oh yea built and tuned by me rawr

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https://www.sau.com.au/forums/topic/263262-rb26-build-900crank-hp/
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ReganGTS25T Enthusiast

ReganGTS25T

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And the point of this post is ???

plenty of other posts on this forum with no meaning or point 1 more wouldnt hurt wouldnt ya say? could be worse i could of made another gt35r or t04z threads woohooooooo

nah just stating im on another build thats all nothing fancy

Lithium Grand Master

Lithium

Posted
Posted
bullseye power S368 (should get me to 1k high boost and race gas)

Awesome stuff :O By "1k high boost and race gas" do you mean 1000hp? I am pretty sure they are pushing it to crack 800hp compressor alone, unless you mean including nitrous oxide?

ReganGTS25T Enthusiast

ReganGTS25T

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Posted (edited)
Awesome stuff :D By "1k high boost and race gas" do you mean 1000hp? I am pretty sure they are pushing it to crack 800hp compressor alone, unless you mean including nitrous oxide?

dont think the bw is goin to crack anywhere really, this same turbo ran 750 fwhp on actualy prety low boost levels 36 psi on a 1.8 liter vw golf but with a .70 ar t3 housing im puting a 1.0 divided t4 and at 42 pounds with a much bigger engine and bigger cams should make a prety nice numbers should easily see 900 crank and get to 1000 btw these are normal dyno's not rigoli dyno's that read like 200-300hp less lol, these extended tip turbos are making a real dent into the import racing world every 1 is using them now over on the other side of the pond, thiers a gtr in dominican republic with a stock internal rb26 with greddy stage 1 cams and a s370-72 dyno'd 640 awhp on low boost and really conservative tune bone stock engine at 30 pounds , thiers also a z32 with an rb26 with a similar but smaller turbo that runs 10.4's on e85 with mt et super streets at 25 psi with an s366 i think he dyno'd 650 rwhp we'll see what i do though

Edited by ReganGTS25T
Lithium Grand Master

Lithium

Posted
Posted

Awesome it would be good to see it if its possible to go that high. The S368s aren't stupidly laggy so if you can do that then its a damn good case against using things like a GT42R.

I'm used to Dynapack dynos myself - remember I backed you in another thread regarding that topic :D I know the Honda guys have got up over 700whp on them but those engines breathe crazily, and with a FWD (hardly any trans losses) thats around 800hp @ crank and probably near the limit... I always thought the S372 is more the 900-1000hp unit.

ReganGTS25T Enthusiast

ReganGTS25T

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Awesome it would be good to see it if its possible to go that high. The S368s aren't stupidly laggy so if you can do that then its a damn good case against using things like a GT42R.

I'm used to Dynapack dynos myself - remember I backed you in another thread regarding that topic :D I know the Honda guys have got up over 700whp on them but those engines breathe crazily, and with a FWD (hardly any trans losses) thats around 800hp @ crank and probably near the limit... I always thought the S372 is more the 900-1000hp unit.

well the md's suposedly read 10% less then dyno packs also they factor in wind coeficient factors for every car from 1973 to 2008 its nice, yea hondas are nice but displacement is nice also yea i didnt want to go with a 42r or an equivilant of it in borg warner (ill never buy another garret turbo) its my daily driver want to see full boost inside of 4krpms 4900 will do :D lol but yea it has the new race cover n stuff bullseye is also coming out with a new billet extended tip wheel which i can just buy later and test it out, you know borg warner has titanium billet compresor wheels you can make carrot puree and not even dull the compresor wheel :D

Lithium Grand Master

Lithium

Posted
Posted

Thats useful to know :D You best keep away from the garage when you have drinks, if you were anything like us the idea of twisting the compressor housing and popping the intercooler hose off for making some smoothies is bound to come up haha

grippy Collaborator

grippy

Posted
Posted
plenty of other posts on this forum with no meaning or point 1 more wouldnt hurt wouldnt ya say? could be worse i could of made another gt35r or t04z threads woohooooooo

nah just stating im on another build thats all nothing fancy

Very well, I wish you all the very best for your build and I hope you can crack the magical 1000hp. This figure is normally reserved for highly strung RB26's or 2JZ's so best of luck, I hope to see you run 9's.

  • 4 weeks later...
95GTR600 Collaborator

95GTR600

Posted
Posted
dont think the bw is goin to crack anywhere really, this same turbo ran 750 fwhp on actualy prety low boost levels 36 psi on a 1.8 liter vw golf but with a .70 ar t3 housing im puting a 1.0 divided t4 and at 42 pounds with a much bigger engine and bigger cams should make a prety nice numbers should easily see 900 crank and get to 1000 btw these are normal dyno's not rigoli dyno's that read like 200-300hp less lol, these extended tip turbos are making a real dent into the import racing world every 1 is using them now over on the other side of the pond, thiers a gtr in dominican republic with a stock internal rb26 with greddy stage 1 cams and a s370-72 dyno'd 640 awhp on low boost and really conservative tune bone stock engine at 30 pounds , thiers also a z32 with an rb26 with a similar but smaller turbo that runs 10.4's on e85 with mt et super streets at 25 psi with an s366 i think he dyno'd 650 rwhp we'll see what i do though

Regan...you're right about the 640 four wheel hp stock internal......and now we are going for even better numbers with everything forged. 10.43 but looking to enter into 9's

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