Jump to content
SAU Community

Recommended Posts

paul - u got time to overlap your graph with king87s?

Converting rpm with speed makes it confusing

Google it :P There is a brilliant one for skylines on there. CBF doing it now... Ill have a play tomorrow after work ;)

When you compare the VQ25det with Variable cams to the VQ30det without, the turbo response and power seem very similar even though the engines are 500cc apart. At a guess the Vcam (vq35 cam actuator) upgrade for the RB26 would make it feel like a 2.8 - 3L in response, although it sells with a higher duration cam I assume, which may drop response back slightly again.

King87 u made 150hp@ 100km/h = winning.. awesome top end tho! But in all honesty wouldn't 2530's be better suited to a 3.o bro or 3.2/3 for the street?

Yeah it's defantly not a bad result. It's ok to drive on the street the lag isn't that bad to be honest but guess it just depends what you get use to and like.

They would be better with a 3L pushing them for sure.

Yeah I know what to expect and I will keep you all posted if and when it does let go.

Not sure what it made on 23psi it's got 25 @ 5000 RPM I will try dig up the dyno print out.

-5's for the win for street and track but agreed they could use a few more cubes behind them

On the street.

Either dial in the cam gears or go HKS V-Cam or 2.8lt or HKS V-Cam 2.8lt.

Will help with the low down.

Makes you wonder how the Mines R34 GTR is so responsive using 2530's on a 2.6ltr engine doesn't it?

It has NOTHNG at 4500 RPM. Look at the videos. It's a lag wagon if it "falls off". People bust a nut at how quickly it "revs". 5:1 or what ever they are plus the 6 speed give the illusion it's "responsive"

Between gears it's a bulldog, but you have to keep it spinning!

It has NOTHNG at 4500 RPM. Look at the videos. It's a lag wagon if it "falls off". People bust a nut at how quickly it "revs". 5:1 or what ever they are plus the 6 speed give the illusion it's "responsive"

Between gears it's a bulldog, but you have to keep it spinning!

so your saying it's a "bulldog between gears" (which IMO is what you want) but a pig from standing start?

Edited by Ants

It has NOTHNG at 4500 RPM. Look at the videos. It's a lag wagon if it "falls off". People bust a nut at how quickly it "revs". 5:1 or what ever they are plus the 6 speed give the illusion it's "responsive"

Between gears it's a bulldog, but you have to keep it spinning!

so your saying it's a "bulldog between gears" (which IMO is what you want) but a pig from standing start?

Not when you launch it from redline a 26 is not laggy and when your changing gears at 7.5 k there is no lag. A 26 with -5s has to be driven a certain way to be raced properly and the motor has to be built properly for this purpose to be reliable. -9s on a stock motor is a much better setup if you don't want to kill your motor.

Makes you wonder how the Mines R34 GTR is so responsive using 2530's on a 2.6ltr engine doesn't it?

I believe the HKS 2530's on the Mine's R34 GTR are modified.

And the RB26 ain't stock either :)

When you compare the VQ25det with Variable cams to the VQ30det without, the turbo response and power seem very similar even though the engines are 500cc apart. At a guess the Vcam (vq35 cam actuator) upgrade for the RB26 would make it feel like a 2.8 - 3L in response, although it sells with a higher duration cam I assume, which may drop response back slightly again.

That sounds very enticing if it would feel like a 2.8-3.0. On a 2.8 with vcam and -5 that would be the ultimate setup in terms of power and response. Antz I think you need to add a vcam to your advance spec and you probably wouldn't have to worry about going a 2.8 later down the track :)

Would love to hear from anyone who has gone from standard displacement to vcam with same turbos and comment on the results

Not when you launch it from redline a 26 is not laggy and when your changing gears at 7.5 k there is no lag. A 26 with -5s has to be driven a certain way to be raced properly and the motor has to be built properly for this purpose to be reliable. -9s on a stock motor is a much better setup if you don't want to kill your motor.

I completely agree with you on that one. I also think there is more to response than just gearing.

Having seen the Mines R34 GTR in action (in many different videos) you simply cannot conclude it has no balls under 4.5K unless you have a dyno chart to compare it with.

I believe the HKS 2530's on the Mine's R34 GTR are modified.

And the RB26 ain't stock either :)

Yes, they are very lightly modified with the ex. housing ported (very similar to what I did with my -5s ) but that's it. Its a built 2.6 alright but still a 2.6 and not a 2.7 nor a 2.8 stroker

Edited by Ants

so your saying it's a "bulldog between gears" (which IMO is what you want) but a pig from standing start?

Look at the video where it compares it with the supra. That left hander up the hill it falls off song and it takes a bit of time to get back to its "happy zone".

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • Maybe they'll look to do a bunch of presales to help inject some cash fast for their financial issues...
    • Does it also misfire equally when revving?   Josh is very correct in what you should do. The coilpack harness wiring loom itself is a known problem due to its age and the number of heat cycles it has gone through. Throwing parts at a vehicle to diagnose the issue isn't a smart or good way to do it. Secondly, you may have a bad coil pack, you pop replacements in, they fix that issue, but messing with the harness breaks it, so the issue persists. So now you think "well it wasn't the coil packs" and have to continue chasing your tail, potentially swapping back in your shit coil packs and returning the good ones (yes, I've seen people do this because 'it wasn't the problem' and they want to save money). And suddenly, you've got two issues with the same symptoms...   Diagnose, don't use the spare parts shotgun.
    • Well the articals keep saying a Q50s (Skyline in Japan) with a new Manual gearbox. I like the talk about the new looks with the round tail lights. I hope they bring back the retro look like they did with the Z
    • Off the back of feedback we have decided to mix up this next Motorkhana at Avalon to have some targeted skills practice for beginners to advanced. Saturday 6th September 2025 8:30am Capped 26 entries Standard Entry Fee: $89 Members Entry Fee: $55 (SAU Victoria Only) Entries Close: Friday 5th February  Where: 55 beach road Avalon. https://maps.app.goo.gl/HNUE3EuNue3sJxh38 Entries: Limited to 26 entrants (Passengers allowed over the age of 14 with a signed disclaimer and same safety gear) Disclaimer: Download  Please electronically sign and email to [email protected] or print and hand in and Driver Sign In. To compete in this event you will require A valid  AASA General Speed licence or (Day license via the AASA Website for $50) MA Licenses are no longer accepted by AASA https://aasa.com.au/  A helmet, long sleeve clothing and a 1KG mounted fire extinguisher recommended (But not Mandatory). Further details within Supp Regs on the enty link. Entry Link > https://www.sauvic.com.au/entry/deca/20250906 You can bring and have a passenger in the car but they need to comply to the same safety and clothing as driver. Bring your car and get to battle others, win, lose or draw. I can guarantee you will have lots of fun. Any questions email [email protected] Entry List: 1.Anna S 2. Luke S 3. Jesse Givens-Lamb 4. Luca Stamatescu 5. Madeleine Stamatescu    
    • Wanna rewrite all of that in, say, 2 or 3 separate sentences, so that we can read it?
×
×
  • Create New...