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12 hours ago, 4bidn1 said:

I should really put my glasses on before typing on my phone ?. 

Thats not even English 

I'm a full ching chong bing bong and my engrisher is better LOL

We sponsored topstages S14 for wtac this year, its an built sr20det with solid head and pro cams. Upgraded to our ATR43SAT turbocharger from Garrett GT3071. Car made more power through out the whole rev range and maxed at 381rwkws e85 fuel.

14500401_1188416121202317_74590799406876

 

Red: Atr43sat

Green: Gt3071

391rwkw.jpg

Philip island test run:

 

  • Like 1

Haha, the car had upgraded fuel pump later on so I upsized the turbo to an ATR45SAT which made 408rwkws on an aggressive tune. Backed to 399rwkws for tracks. It run 1.251 at Winston last week beating previous wtac winners result of 1.26

14542310_1188415847869011_41923078897209

14519735_1805987033011106_22834492266191

399rwkw.jpg

 

  • Like 3

I think 420rwkws is about the most this turbo can do. have to upsize wheels for more power. But Its plenty for what this car needs so far.

  • 3 weeks later...

Hi all.
I'm about to order the atr43sat for a 25. Looking to make 450-500rwhp Questions are:
Can that be had internally gated through standard dump?
If I need to change dump etc might as well go ex-gate yeah?

On 2016/5/16 at 0:42 PM, CEF33Y said:

Speaking of Non VCT, low cr engines, did you ever end up doing any development with an RB20 Tao?

There are so few of them around and took a while to find the right car. Picked up a 93 model R32 GTS4 in good mechanical order. Will be starting developments based on R32 Rb20det engines. My goal is to 270rwkws on pump 98 fuel with good turbo response.

gts4big.jpg

Car is pretty basic with a return flow cooler, and a turbo back exhaust fitted. I will be Nistune it and drop in some ID injectors for starters. I will list prices and places as project move along.

  • Like 2

haha true, my plain is to drop in a RB25det NEO motor off a Stagea in it later on, Nissan should've done that years ago.

I will be using our ATR43SS1 as well as doing some high flows, and see if there are room for improvements.

  • Like 2

Will be moving to a new ATR45SAT Ball Bearing soon.
Will put results up here once dynoed.
Below is what im going from -> to.

ATR43SS2+ gate off housing - > ATR45SAT BB
Stock ExhaustMani - > D2 Stable High Mount + Gate of mani
44mm Tial Gate - > 50mm Turbosmart Gate
Stock Plenum - > Custom FFP + Sard Fuel Reg
Single 460 Walbro - > Probably Surge tank
Nistune ECU - > Adaptronic ECU +Wideband/Airtemp sensor
Z32 AFM - > MAP inside adaptronic
E85 - > Still E85
Stock Head - > Only doing ARP headbolts
And a bunch of other random stuff

Was ~450 hp at the rears - > Hoping for + 550 hp at the rears

Current full boost is around 3800 @ 20-21 psi
Im hoping for similar response, looks like it will be close.

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