492rwhp @20psi RB25 compression test

[r33_gtst]

Wow that spool seems pretty good what size exhaust housing are you using. 12cm?
And just a question it looks like your car is set up pretty good why use a 300dollar turbo.

Echaust housing is 16cm
And the car isnt set up pretty good lol its actually a budget build
Stec manifold and greddy copy intake manifold, holset turbo. This was my first turbo car so a steep learning curve
Knowing what I know now id do things differently (and can afford to now)
6boost/garrettgt3076r

[Dragon Humper]

Wow that spool seems pretty good what size exhaust housing are you using. 12cm?
And just a question it looks like your car is set up pretty good why use a 300dollar turbo.

Because it works, and it works because its set up really good. Proof you don't need to blow the wad to put out the gravy.



Jon.

[nick-nismo]

Lol I think I know a thing or 2 about budget build.

Wow hey so that 16cm is around a 1.13cm iirc. My 9cm (.65) should make 20psi just after 4k
Are you twin scroll?

[ToroGTS]

For the $500 or so, a quick spool valve would really benefit you (iF you are twin scroll). I'd be interested in seeing this run on the hx35. I'd bet you get great spool/response with similar top end numbers. Mad props though, that dyno vid is audio-arousing.

[r33_gtst]

Considerd a quick spool valve but it would have created fitment issues and there are better engine management systems for tuning with a qsv than the power fc

A hx35 would have way better spool.... But im holdin out for a garrett bb gt3076r with water meth 28 psi
R

[ToroGTS]

Ya you would need to either have the spool valve machined to as thin as possible or get a different super low profile manifold. I'm pumped for the continuation of your build man, keep us all posted!

[supersayianjim]

iam digging this. i will be using a hx35 turbo on my 25 setup here in the comming weeks.