Guys, I am considering offering RB30 Bottom end's in kit form similar to that of the OS Giken 3 Litre kit but with alot of improvements and at a cheaper price, I have been quoted between $22-25,000 for the OS Kit. I am aiming to offer the complete bottom end in kit form or assembled for around $15,000-17,000. The first engine will be finished mid to late this year and from our calculations with the proper suppourt system we will be looking at close to 1400HP at 8,000rpm. Some of the specs are: 3.2 Litre 86.5mm Bore Treated, prepped, debuured ad coated block Head and main studs Race bearings Custom Rods Billet 4340 Crank Cucstom pistons Billet Crank Girdle Billet Sump All parts are from repected companies from around the world For more info please email [email removed] As i stated i am after people opinions if there is a market for this in NZ, Australia and possibly overseas as a cheaper and possibly better alternative to the OS Kit. Jordan

How are you going to get to 3.2L with only 86.5mm bore? Are you going to lengthen the already long stroke by modding ROD & Crank specs? If lengthening the stroke, then how are you going to combat the harmonics enough to rev to 8000rpm? Will your kit come with a balancer? What about the oil-pump? What pump will you use - and will it run off the nose of the crank? What Rods, Pistons, rings & bearings (brands please) etc? What's the go with the billet sump - what for? Is this supposed to be for a VL or for a Skyline? (I assume VL since you're posting here) ...and 1400HP capability - what will you do to the blocks to cope with this? If you have good answers to all these questions, then maybe 15-17k is a good deal - especially if you're using top-shelf gear (hence why I asked for brands). But without this info, the deal could be crap.

700HP: Did you read the bit "For more info please email [email removed]" Jordan

Yep.

But it would be better if you told us all here, instead of having to reply to heaps of emails

wot support systems r u goin to b using for the 1400hp?

Well the specs of the entire engine will not be released until such a time that i see fit to do so, please note that the 1400HP is a target i have set for myself as i want to have the most powerful RB engine in Australia, so far the bar has been set at 920hp i aiming to smash this and even if i get to 1200hp il be happy, since you would all prefer to know the specs of the engine here, ok here goes: ** RB30 Block ** Line Bored Bored and honed to 86.5mm Decked Oversized Head studs (ARP) Main Studs (ARP) Complete deburring Teflon coating O-ringed Cyro Treated ** Pistons ** 86.5mm JE Forged Ceramic coated crown and skirts Total Seal compression rings Cromoly ring set ** Rods ** Carrillo 250hp H Beam Carr Bolts ** Crank ** 4340 Crower Billet Stroke change from 85 to 93mm 3.2 Litre Capacity Knife Edged Nitrided twice Once across journlas then across entire crank Rated to 2500HP and 10,000rpm Oil drilling Micro polished Indexed ** Girdle/Sump ** 4340 Biillet Crank Girdle Studded main to factory main botl holes Stdded to sump bolts using ARP stud kit Billet Sump to suit VL, Skyline 4WD or RWD ** Misc ** JUN Hi Volume Oil Pump Clevite 77 Bearings Oil retrictors resized to reduce oil flow to head under high rpm This engine is to be revved to 8,000rpm for those that wish to rev harder capacity can be kept to 3,000cc and have a rev limit of 8,800rpm this gives a piston speed of 25m/s as used by the worlds best engine builders Like i said these engines are as strong as and RB30 will ever be with only the block remaining standard, many say the RB30 block will not hold that much HP thats why the Japs use RB26 blocks but ive spoken to a few of Australia's respected RB experts and most have said that the main difference is the sump that add's rigidty and reduced block flex and crank harmonics. Any more questions let me know

I don't think we should bag Jordan people. Everything he says is legit and he has no flaws in his 'engineering design'. If you have read all of his posts around the forum(s) you will see that he is serious and deals with intelligent people. It is a good assumption that the billet crank girdle and sump will make a difference to the RB30s 'harmonic zones'. What they will do to it however is a different story. For the VLs I would look for something along the lines of a strengthening ribs in the sump's oringinal shape then make thick sheet metal pans to weld to that. Just to keep costs down and practicality up. Like most people will say, lets wait and see how his motor goes. If it does what it says it will, then i think a few people (or tuning shops) will be interested in your kit. Probably sell well in US and Japan too. Jordan, whats going on with your cams? Swing them my way and I can select springs for you to prevent valvetrain harmonics and float.

Thanks LukeVL Ive got two sets of cams and i dont know which i will be using yet 272 11.35 IN 280 10.35EX or 320 11.35 IN 320 11.35 EX Jordan

Sorry for all the questions: Does your engine builder have any input into this project or are you supplying all parts and specs for them? I take it you will be 'developing' the engine on a dyno? ie trying different cams, turbos, etc? what fuel will you be using? why are you using Total seal rings? You may have said in a previous post, but what is your intended use for the motor?

My engine builder, respected RB expert and myself are doing this together, it will be tuned on an engine dyno and it will be tuned on C16. The intended purpose is to find the RB30 limits as well as possibly offering kits, my engine will be used for drag in a R33 GTR Jordan

If I had all four, I could cam-doctor them and tell you exactly what they are, how much lifter area they use and match the best set (for your application) to some Isky springs. The 320 cams sound waaay too big for a turbo motor, but I could compare the profiles to some group A GTR profiles we have that made 700hp with restrictors....

Quote: Originally Posted by GR8NES My engine builder, respected RB expert and myself are doing this together, it will be tuned on an engine dyno and it will be tuned on C16. The intended purpose is to find the RB30 limits as well as possibly offering kits, my engine will be used for drag in a R33 GTR Jordan ...as I said before: good luck. But let me be listed as one of the doubters you'll have lots of pleasure in proving wrong.

i take it you are quoting flywheel hp if not ignore me .... if your goal is 1400 hp its only ~50 hp more than GTR700 ..... not critising just saying/asking .... last i heard its rev limiter was something like 13,000 rpm .....

is gtr700 n os giken 3Lt or n rb30? n i doubt u wil eva eva c 1400rwhp from n rb30 block

no its a JUN setup .... so i'm not sure .... i think they use the rb26 block don't they and modify it?

i remember NIZPRO in melb built that white drag car for ben viscontie, and they pushed the block to the limits and they couldnt get much more that 850kw@wheels out of it, they wrote in street commodores the block besign is the main problem for more power, but i will be interested to see the results

r u sure on that power figure? thats 1140hp at the tyres!! thats lik 1500hp at the crank!! even 850hp at they tyres seems 2 high for n rb30

Quote: Originally Posted by 87VLT no its a JUN setup .... so i'm not sure .... i think they use the rb26 block don't they and modify it? rb26

So far, I've not seen anyone able to back up their claims - even Nizpro. As I posted in another thread (and got widespread disagreement) - look at the MPH figures these cars run on the quarter mile and then look at their weight. With a good squirt of NOS and a gut full of C16, these things have not run more than 150MPh (as far as I've seen or heard) and this in a VL that's been lightened to 1100kg. The math don't add up to 900FWHP, let alone more than that at the tyres. (now watch me get flamed LOL)