AX53B70 P25 Apexi Turbo

[EnricoPalazzo]

Hi guys,

does anyone know much about these turbos? The only info i have found so far are from the turbo comparison chart located at driftcentral.com, that it rates the turbp at 380hp for a sr20.

Does anyone think thois turbo could make over 260rwks, and how much boost do u think i would need to run to make this.

Thanks guys.

Dean

[jezzrrr]

Enrico,

I have heard rave reviews of these turbos from people who own them I would think you would get that power figure but you will be running a fair whack of boost - 25 ish psi

[EnricoPalazzo]

if i put a thicker headgasket on my 33, which has otherwise standard engine, maybe cams, will my engine survie?

What im gettin at is, say i have chosen 2 turbo setups, 1 makes 270rwkw at 1.1 bar, and the other makes 270rwkw at 1.5bar.

Does this effect the engine? Will a headgasket be enough to sustain a decent life out of my engine?

thanks.

[jezzrrr]

thats only one peice in the puzzle, also be careful whacking a thick head gasket on without shaving the head because you will just drop your compression ratio and get yourself a whole pile of lag in the process

[Bl4cK32]

Just buy Steves car and be done with it

[Roy]

From my readings the AX53B70 P25 Apexi Turbo is basically an IHI equivelant to the HKS 2530/2540, The compressor is a little larger, it is reated at a few more PS, but how much do aerodynamics etc count?!?!?!?!?

Though Apexi offer it with some different sized exhaust housings so it may not be affected by the boost taper at high rpm

Apexi v HKS

Power

380 v 320 PS

Compressor

Trim

57 v 63

Comp Inducer (mm)

53 v 47.7

Comp Exducer (mm)

70 v 60.1

Turbine

Trim

82 v 76

Turbine Inducer (mm)

53 v 53.8

Turbine Exducer (mm)

48 v 47

Housing A/R

P25 (1.01 A/R approx) v 0.64

From http://www.driftcentral.com/content_turboi...hp?tinfo=ttable ...thanks to Bu5ter

Its not to say its a bad turbo, its just that it may not be that well suited to a std engine wanting to run 260rwkws

[EnricoPalazzo]

yeh , well my td06-25g fell thru so im on the lookout for a new turbo. this one came up, and it looked all right, however i assumed to make big power, i would of needed to run high boost, somethin i dont want to do.

I think ill keep on looking for somethin bigger then,

Thanks for help guys, as always

[Roy]

Im keeping mine now so not trying to sell you mine...but if you are after 260rwkws (at around 1.3bar) then id grab a 2nd hand TD06-20G. Will make that power and from what two ppl tell me when on an RB25 they are a nice and punchy street turbo.

But as i said before if you want more power at a later date then id start off with a bigger turbo, or consider scrapping around for a 25G compressor and cover and high flowing your TD06-20G when you are bored of the power.

There are so many ways of getting the power your after...high flow with cams, 2535 with cams, kind dyno operator , 2835, 3037, kind dyno operator , TD06-25G, T67, RX6 plus so many locally sourced Garret.

If Steve is selling his car then id buy that...quickest / easiest way, and from what i read he modded the car in a nice and balanced manner and it sure makes some numbers

[EnricoPalazzo]

steves car is too expensive