Vic Wasteland Thread - 15.0

[Birds]

Bottom line: whatever you do to a 2 litre you can do to a 2.5 and enjoy approximately 20% more of it

There is no replacement for displacement (within reason)

There has been no amazing production engine development for bottom end torque since these engines were created; VVT is as good as it gets for broadening the power band, but that is a mid-top end power increase.

[blah_blah]

Greg listen to Michael not Frank when your building your engine. I remember when he built it he mentioned there were issues with it that needed addressing

What part do I run factory Leroy?

Also Evo X, short gearing SST, pretty much no lag and always on boost. Pretty much 6th gear at 80km/h

[Kinkstaah]

blah_blah, on 15 Oct 2015 - 12:04 PM, said:

Greg listen to Michael not Frank when your building your engine. I remember when he built it he mentioned there were issues with it that needed addressing

What part do I run factory Leroy?

Also Evo X, short gearing SST, pretty much no lag and always on boost. Pretty much 6th gear at 80km/h

I do listen to Michael, who pretty much agrees with anything we've thrown out there. Yes, a GTX3076R in a .82 is small for a 2.8, but it isn't small to the point where you smash an engine to pieces... people run them on Supras. (went bigger anyway)

Birds, on 15 Oct 2015 - 11:55 AM, said:

Is that my dyno plot? In depth research lol

My setup is 16psi throughout, with a laggy IWG highflow inside a Nissan comp cover for stealth. The SR, with what sounds like an over-boosted small turbocharger at 22psi...is not really impressing me. It would be a quick car, but put a smaller EWG turbo on mine that doesn't get choked in the top end...it'll move the graph down 500rpm off the spool and make much the same power as both of us up top, albeit not as stealth.

It is your dyno plot, but this SR is also internally gated, low mounted, stock manifold and bleeding off to about 16psi up top. It is a very similar setup man.

It may have been 2nd gear it decided to slip around on, but it was very much under the (50kmh!) speed limit on a side street, rolling onto boost when it happens, very very very long way from any clutch dumps!

My point was is that "if you have 2.5L you can't ever go back to a 2.0 in an evo or SR" and I reckon nah man, the difference would be miniscule given the cars these engines are put in. I reckon they make more power/torque/whatever per cc than a RB does

[Leroy Peterson]

What part do I run factory Leroy?

Head gasket?

I was pretty shocked when I saw the cosworth SR20 gasket almost half the price of RB25

[blah_blah]

Head gasket?

I was pretty shocked when I saw the cosworth SR20 gasket almost half the price of RB25

Nah i have a Nitto head gasket

[Birds]

I do listen to Michael, who pretty much agrees with anything we've thrown out there. Yes, a GTX3076R in a .82 is small for a 2.8, but it isn't small to the point where you smash an engine to pieces... people run them on Supras. (went bigger anyway)

It is your dyno plot, but this SR is also internally gated, low mounted, stock manifold and bleeding off to about 16psi up top. It is a very similar setup man.

It may have been 2nd gear it decided to slip around on, but it was very much under the (50kmh!) speed limit on a side street, rolling onto boost when it happens, very very very long way from any clutch dumps!

My point was is that "if you have 2.5L you can't ever go back to a 2.0 in an evo or SR" and I reckon nah man, the difference would be miniscule given the cars these engines are put in. I reckon they make more power/torque/whatever per cc than a RB does

We'll have to agree to disagree...I haven't driven a 2 litre that's wowed me down low and held it through the rev range yet. Evos especially with their weight disadvantage - feel like you have to give them heaps to get them moving, and a Skylines are bad enough for that.

[PENGUYEN]

kseries engine best

[Leroy Peterson]

Built N/A SR20 sunbeam tiger/alpine. Mmmmmm retirement project

[PENGUYEN]

Stock internals (besides springs/retainers) k20 e85 prescision 5831 .63

14psi 300kw

17psi 320kw

Since its 'MURICA take off 5-10% because 'MURICA.

Too bad it wrong wheel drive.

still respectable is it not, inb4 gtfked honda boy

inb4 someone says that shit will blow up, this pretty much standard for a turbo k20, 400-450kw is when it gets unreliable with stock motors, but still easily achievable :|

[PENGUYEN]

HONDA IS BEST OK

[PENGUYEN]

Example of when it would start getting unreliable lol:

stock k20 e85 pres 6265 26psi 460kw

Yet still more reliable than grag's motors

[PENGUYEN]

Built N/A SR20 sunbeam tiger/alpine. Mmmmmm retirement project

You seen riverside racing's excel?

N/a sr20 with 200kw or something (dont quote me, but it was 200-low 200

Sounds mad

[PENGUYEN]

Im bored

[Leroy Peterson]

No one is talking peak power... Talking about lag/displacement/driveability

Put a big turbo on anything and it will make big power. Just lot of money and go fast bits making it happen

[alr33x]

What up battlers

[PENGUYEN]

From what i've driven, high comp makes the boost instant, full song around 4k till 8-8.5, which is alright with hondie ratios

Car is 1ton like pulsars, 2L plentyful off boost, gets off line really easy, but then we're drifting off to the silvia vs skyline chassis hear

From what I'm seeing in that graph, definitly not peaky, lots of usable power

Referring to the 300kw one above, is similar set up to mates integra.

Im just bored ok

felt like spamming

f*k yas

[PENGUYEN]

and its been reliable, beaten on for past 4 years

[PENGUYEN]

Gad damn its hot

[PENGUYEN]

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• PENGUYEN, emts, Birds, blah_blah, NutR33, Leroy Peterson, alr33x, UNR33L

[PENGUYEN]

Put a k20 in silvia

dasit mayne