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Rb20 Turbo Upgrade, All Dyno Results

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Got a different tuner who fixed my problems I think.

We only have 91aki gas where I am so keep that in mind. Tuner suggested I switch to 14 psi spring, was having issues holding boost above 16psi at higher rpm


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Built RB24 using a HR31 red top as a base

New 26 n1 crank

Spool rb26 rods

Custom 80mm Cp pistons 8.5:1

N1 oil pump

Arp everything

Cometic gasket kits

Tomei 270 cams

Valve springs

A bit of head work using standard size valves etc

Gtx3071r low mounted on stock mani .73 ar 

Stock intake and exhaust manifolds, external gate welded to back of turbo housing

Bosch 1000s

22psi on Caltex E85

Nistune ecu with z32 afm

411whp on a 35degee day Iats over 50

Maxed the afm so stopped at 22psi

Quite responsive considering makes positive boost at 2500 and full boost around 4k



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1989 r32 gtst

Stock injectors

Walbro 250 fuel pump 

Mines ecu

Stock internals 

Hy35 holset

Cx top mount

Large no name front mount

3" de cated exhaust

6 psi boost




Edited by kennylinton86
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Completely stock (K&N panel filter) and perfectly running 206,000km 1992 R32 GTST series 2 type M. 4th gear pull to about 165km/h. I thought I would do a base line pull to see what I am starting with. Sat on 9-10lbs the whole way through and AF was perfect as well. Possibly the lowest dyno figure for the website!!! Also zero correction factor on a near new mainline dyno...



Edited by HCR32 type M
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1990 R32 gtst

Stock internals

6boost twin scroll t3 manifold

dual turbosmart 40mm gates

Holset HY35/10cm twinscroll turbine @ 20PSI

R35 maf/4" intake

Splitfire Coilpacks (Rewired S2 with no external igniter)

DeatschWerks 550CC Injectors

AEM 320 Pump (FPCM Removed, OEM Relay Rewired)

FFP Cast Manifold

3.5" Downpipe to 3" Catback


94 AKI Pump gas

366WHP/273WKW and 301WTQ on a mustang dyno on a very hot day with a dead clutch fan. We we're letting it cool down between pulls near the end and I'm confident due to this it actually makes a bit more. 



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