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Hello i would like to know the HP diference between a 63 and 82 ar gt35r, with stock cams, i was told by a couple of well known engine builders, that the diference on a stock camed engine particularly wit the gt35r that the diference up top would be around 15 whp. has any 1 had any direct experiance with something like this, 1 of my engine builder buddies dyno'd 540 rwhp on a clients rb25, greddy intake manifold q45 throttle body, with a ported head, at 24 psi with a gt35 ar .63 ar housing and an AEM ecu

Regan

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you shouldnt be worrying about power with exhaust housing to much. thats for the actual turbo size itsself mianly.

exhaust housings should be used to determine how agressive you want your car.

someone posted on here before saying he didnt hit full boost until 5000rpm using a 1.06. which is just a lil to late.

if your still running the 2.5 engine with no cams. stick with .63 or a .86

but to answer your question, i have no idea sorry.

Edited by R34NRG
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Hello i would like to know the HP diference between a 63 and 82 ar gt35r, with stock cams, i was told by a couple of well known engine builders, that the diference on a stock camed engine particularly wit the gt35r that the diference up top would be around 15 whp. has any 1 had any direct experiance with something like this, 1 of my engine builder buddies dyno'd 540 rwhp on a clients rb25, greddy intake manifold q45 throttle body, with a ported head, at 24 psi with a gt35 ar .63 ar housing and an AEM ecu

Regan

Im running the .63 rear version, although I have poncams but the rest is the same (Q45 etc) ... havent had the final tune yet but 306rwkw on 16 psi atm (quick tune after engine was run in)... 25psi roughly being the end target... My tuner reckons the rear will max out around the 340ish mark.. Il know by the weekend :blink:

He was impressed at the response though, and said it wouldn't be worth the extra kw at the top end to sacrifice the response I currently have. Although I do have the .82 rear on standby... :P

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400rwkw (540rwhp) from a .63 housing and 24psi seems just a little unbelieveable to me.

The .63 limits the GT35 to around 600hp, and it would be so severely choked.

hrm... The .82 (depending on comp wheel) is rated to 700hp i thought? And the 1.06 was the same, just for larger capacity motors so they arent too restricted.

If you have a .63, it'd be getting a turbo from the smaller family, GT3071, GT3076 etc.

.82 for the GT35 or 1.06.

Thats just my choice having had a 600hp GT30/.82, show was on approx 4200rpm (stock RB25 head) really linear but a 550hp/.63 probably better :)

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400rwkw (540rwhp) from a .63 housing and 24psi seems just a little unbelieveable to me.

The .63 limits the GT35 to around 600hp, and it would be so severely choked.

hrm... The .82 (depending on comp wheel) is rated to 700hp i thought? And the 1.06 was the same, just for larger capacity motors so they arent too restricted.

If you have a .63, it'd be getting a turbo from the smaller family, GT3071, GT3076 etc.

.82 for the GT35 or 1.06.

Thats just my choice having had a 600hp GT30/.82, show was on approx 4200rpm (stock RB25 head) really linear but a 550hp/.63 probably better ;)

hahaha thats the biggest load of crap i have heard all year 400rwkw from a .63 housing..lol in your dreams!

the max youll get 340-360 and thats running more than 24psi.. on 1.5bar i was getting 330-340rwkw and it was running a little rich...

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