Stroker Kit Of Choice

[R.I.P.S NZ]

if i was building a forklift id put an RB30 engine in it as thats what they were designed for.

If i was building a high rpm drag engine id stick with a stock crank and high quality pistons and rods (my preference is JUN and this is the set-up i currently have to chase 8's with)

Interesting, my forkift RB30 motor runs 8.7 in a street car on street tyres and revs HIGHER than one of your local RB26 GTRs that has just ran 7.8s, go figure??

As far as a 26 being able to rev faster than a RB30 thats not true either unless your talking about in Neutral, in the real world the engine can only gain revs as quickly as the car is accellerating (unless you have wheelspin or clutch slip) so a RB30 making 700hp would actually rev faster than a 700hp RB26 due to the broader spread of torque.

Rob

[SysLink67]

Hey Rob,

how long would that engine last for doing 1/4 mile pass's of 8.7 sec? Is the car drivable on the street? ie the cams aren't so lumpy that you need a skippers chair to sit right.

What kinda boost are you running through this " street car" to achieve that 162mph?

What do you define as a street car and in particular what are the specs of that one that does 8.7 secs? kerb weight?

cheers

rob

Stock internal REBUILT RB30 with alot of time spent, modifications, new parts, all assembled ready to go.

What a load of rubbish, if you can supply me fully forged shortblocks built to the same standard as I do for nzd3500 I'll have 20 a month please. Whats your account number I'd like to get started on these please.

Have you run 8.7 @162mph in a street car on street tyres with one of your forged bottom ends?

I'd bet you probably havn't done an 11.

Your not comparing apples with apples, not even close.

Rob

[Johnny]

Rob dont bother with the doubters, i saw the same thing happen to you on the UK site and its best just to remain silent and keep showing your amazing workmanship.

Keep making those movies of dyno runs and drags and they will do the talking. Show the wheelstands and mention the customers who ship their cars across countries for your tuning.

Post some of your fabrication skills pics on here and leave it at that.

I have an r34 gtr and when i ready for a built motor, i will be buying from you!

[Mr. Keets]

I pm'ed with Rob from RIPS last year about an RB30 T04Z combo. It worked out almost the same price as a full house Step 2 HKS (all the extras) but the there was a shed load more fab involved, more hp on tap + a T04Z and piping in the RIPS deal . The guys on GTRUK seem very happy with Robs work.

[R.I.P.S NZ]

Hey Rob,

how long would that engine last for doing 1/4 mile pass's of 8.7 sec? Is the car drivable on the street? ie the cams aren't so lumpy that you need a skippers chair to sit right.

What kinda boost are you running through this " street car" to achieve that 162mph?

What do you define as a street car and in particular what are the specs of that one that does 8.7 secs? kerb weight?

cheers

rob

The engine has done a full season, hours and hours on the dyno, a fair bit on the street and I pulled the pants off it recently to check it and I'm not even going to change the bearings, they are like new.

We run 2 bar and 9000rpm at the strip to get 162mph.

The car has full interior, full exhaust system with muffler, full steel body, all glass, dot street tyres etc.

It idles nice at 1000rpm, its smooth as silk to drive, doesn't get hot and is pretty good on gas on the open road (as long as you don't nail it, lol)

A 1200hp engine we just fitted to a R34 GTR was also very nice on the street, would pull nice from 1200rpm, make plenty of boost by 3500rpm and be hauling by 4500 to 9000rpm.

It made 620whp at all 4 with 1 bar of boost and 98 pump gas.

It made about 750whp at all 4 on 98 pump gas at 1.7 bar with a very safe tune and 1000whp on C16 at 2 bar.

It weighed 1740kg and on its first ever run at the strip (which I made a bit of a mess of) it ran a 9.7.

Rob

[N1GTR]

We run 2 bar and 9000rpm at the strip to get 162mph.

Wow, thats higher than a lot of RB26's going around.

What balancer are you using? ATI?

Always love watching the vids on youtube

[SimonR32]

Wow, thats higher than a lot of RB26's going around.

What balancer are you using? ATI?

Always love watching the vids on youtube

its also a lot lower than some 11000-12000rpm rb26's going around

still seems very impressive

[R.I.P.S NZ]

its also a lot lower than some 11000-12000rpm rb26's going around

True, the RB30s we usually do have stock blocks, stock cranks, stock cradles etc so 9000 is plenty I think, lol.

Besides that, by 8500rpm we are usually making more power than a similar spec 26 doing 9500-10,000 and I'd rather keep the rpm as low as required to get the job done.

Rob

[Lithium]

its also a lot lower than some 11000-12000rpm rb26's going around

still seems very impressive

Still seems? I dunno quite what you're getting at, but I don't ever recall the highest revs you can reach is a tangible indication of good performance. The whole 8.7 @ 162mph in a street car is however. If revs were the most important thing then we could just put little 2stroke motors in our cars High revs is one of the best ways of killing an engine fast...

[PM-R33]

With your RB30 stock bottom ends from NZD$4000, are these all ready to be bolted straight onto a twin cam head?

[rb26s13]

the luckiest thing for Rips would be there road rules are a shitload less strict than ours.. the car that does 8.2's is great however it wouldnt be a road car here in aus seeing as it drives around with a chute 4link and wheelie bars from memory?

[R.I.P.S NZ]

With your RB30 stock bottom ends from NZD$4000, are these all ready to be bolted straight onto a twin cam head?

Yep, the mods are done to the oil system and the belt tensioner is relocated.

A twin cam head will bolt straight on but the R33 RB25 head needs the usual mods first.

Rob

[R.I.P.S NZ]

the luckiest thing for Rips would be there road rules are a shitload less strict than ours.. the car that does 8.2's is great however it wouldnt be a road car here in aus seeing as it drives around with a chute 4link and wheelie bars from memory?

Yeah aussie road rules are pretty bad in some places I've heard.

When on the street we usually take off the wheelie bars and parachute but although I've been pulled over many times by the cops they only want a look at the car usually, I've never had a warning or a ticket.

Rob

[PM-R33]

^^ variable timing with the RB25 is actually quite tasty

I always thought that you lose the VCT when doing a RB30 bottem end because of the oil galleries or something

Edited September 10, 2008 by PM-R33

[TiTAN]

you can modify the head + an external oil feed from the block to retain it.

[GTRNUR]

you can modify the head + an external oil feed from the block to retain it.

A little sideways off topic, but... I came across pictures of an RB25 VCT cam conversion that was being done to an RB26 head the other day. Where there's a will there's a way.... A little clever thinking and access to a machine shop will get you VCT on a RB26 a lot cheaper than the HKS variable cam system.

[PM-R33]

Ahh ok i see. Cheers.

[R31Nismoid]

But you still wouldnt say no to 6 throttle bodies solid lifters and better flow from stock...

so bolt it to the 25 head.

been done before

[R31Nismoid]

the luckiest thing for Rips would be there road rules are a shitload less strict than ours.. the car that does 8.2's is great however it wouldnt be a road car here in aus seeing as it drives around with a chute 4link and wheelie bars from memory?

Yeah thats a fair point.

Soon as anything shiny is seen in the engine bay its off through the ringer, so depending on what you want, use etc you are restricted in some ways depending on where you live.

I remember being in Wellington a couple years back and a VN with a massive blower sticking out the bonnet came driving past.

And friends i was with said ye, that doesn't really get much attention over here.

I nearly fainted

[rb26s13]

Yeah thats a fair point.

Soon as anything shiny is seen in the engine bay its off through the ringer, so depending on what you want, use etc you are restricted in some ways depending on where you live.

I remember being in Wellington a couple years back and a VN with a massive blower sticking out the bonnet came driving past.

And friends i was with said ye, that doesn't really get much attention over here.

I nearly fainted

yeh when a mate of mine from NZ was telling me wat you could get away with over there in the ways of mods i couldnt believe it..