webber

As i say i have not had a allot of issues, I done the Winton 6 Hour and share drove my car in a team, and it done 2 hours, and by the end of the day on the first year (36 or 38* day) it was starting to feel it, more than anything the power drop off from the heat soak. That was with STD boost, 600x300 fmic, 52mm koyo radiator, and Nismo thermostat. I don't think you can stop the heat dropping off your power completly, but i am going to try it and if it helps. Well bonus, when the sprints are on and it's over 35 degrees, now that i am running between 12-15psi i cringe and usually give the event a miss. If it helps on those days, without having to back the boost off much, or alter my maps much; well i really would be happy. If it dosn't well, i have wasted more money on on other 'performance parts' that haven't given me a gain before. He is not up here this weekend, but i can grab an SR20 pump that has the same impellor on it, and take pics. Cheers Guys.

Please everyone forget the valve guides, my main goal with this project is for thermal efficiency across all my cylinders, to try and even out cylinder head temperatures on the exhaust side in particular, and if that helps any part of my engine, including valve guides last a bit longer, well then fantastic. It really is just improving on an already good cooling system. I am in my lunch break, and heading down now. Cheers

Alright, why does this always happen? 3lit3 32 thanks for your input, but this thread is not about weather cracking valve stem guides is common or not, i just know that the last 2 heads i had rebuilt, (a 25 & a 26) that the on both, it was only the exhaust valve guides that needed replacing, and on both heads some were worn and some were cracked. I know heaps of others who have come across the same thing. Maybe our rebuilders just want a few extra bucks, who cares, but this thread is mainly about an alternative cooling system. I am sure that there is another thread to argue out your concerns Cheers

Thanks for the comments guys. I might just bite the bullet, i will definatly report back with pics and prices tomorrow. Also drifter, can you post up some pics of the bleed set-up you run. Cheers

rough figures, i was indicated around $250-300 for the pump, thats impellor & heavier bearings installed, and once you see the work that goes into the impellor you will understand why that is cheap. I would be guessing on the head work, but it isn't a real big job, i will find out. The only reason i put it on here is because he tries to keep out of the lime-light, he has half dozen people he has never met ring him a day, and his current companies main work is in research and development for companies like BMW, Merc. etc. so he only offered me a look in because he carries a small volume interest in this still. I will sus it all out tomorrow. The interest is great, thanks guys

Look i mean i am not set on the idea, and i respect everyones opinion, my thoughts are that if it will help, even in a small way, while john is workign up my way, it might not be a bad idea. It is not very expensive for the work on the pump, and they are a great design. I will post pics as soon as i can. Cheers

Hey guys, i have had the priveledge of meeting a guy by the name of John Bennet, who has worked on most engines imaginable, including RB20, 25, 26, 30 & SR's etc He is well known for most things he has done, building thousands of modified water pumps for different vehicles through his company ecotrans (i think based out of tullamarine). I also believe he founded Advanced Vehicle Technologies, who have developed a way to convert diesel engines to run on LPG, i have seen a John Deere engine that he modified, and he CNC machined a bolt on housing and drive assembly to convert the injector pump drive to run a common falcon Distributor. but enough about the man. 1). Now he re-manufactures water pumps that look more like the impellor on a Industrial pump. They are designed to catch the water and forward it on without cavataing the water against the cavity in the block. (i will post up a pic of an impellor shortly). 2). He also specialises in setting up individual cylinder bleeds that are tapped into the head above the exhaust ports, and in are designed to bleed any pockets of air/steam that become trapped in the cylinder heads especially around the exhaust ports, and bleed them and any coolant into a custom seperator / breather tank system. Now when i said RB25 he said yeah, no problems. He has heads of most vehicles cut up to locate the water galleries etc. I believe his theories are on equalising head temperatures, eliminating hot spots and creating thermal efficeincy within an engine. He said he has done a fair bit of work on RB and SR engines with great success for track etc. My question is if i have no real cooling issues present (have Nismo thermostat, 50mm koyo radiator, silicone hoses etc). I like things be precautious and if i can help my engine last a little longer and produce a little more consistant power, then i'll be in on it. I don't know how ineffective RB cooling systems are or are not, but i have seen them capable of allot more power than i have. I just thought the better cooling above the exhaust valve guides might make them less likely to crack and etc as they seem to be prone to. In a topic i previously read regarding cooling and mentioning Johns work: http://www.skylinesaustralia.com/forums/Co...wer-t62818.html Skylinekid My thought was, prehaps one of these pumps with a larger pully to slow it down a bit.??? Just wondering if anyone knows anyone who has used any of his products on RB's or SR's, or if anyone uses them themselves, or if anyone else has thoughts on the subject.

WHAT COLOUR?

what are the injectors hi-flowed too?

i have some from a S2 2001 R34 GTT Neo triptronic - $250 ONO i don't know if i have the plate to see if it is a B box, but it is a S2 34, how do i tell? cheers

have some $70 a pr delivered pm if interested

ok cool, numbers up the shit, but had a look at work, 08/93 R32, all R33 & R34 fitted with Brembo Calipers. Where you located Roy... man why does everything i need come up cheap, but like 10 $300 items at a time.. lol.. offer $250

Cheap, what Part number are they? cheers

has the shell been damaged or repaired is it written off or just no approval? cheers

i have one only willing to swap for a manual on tho

does it have the grille mesh, badge etc in it? cheers

BUMP GUYS, C'MON

Yeah sorry guys, feel free to move it. Cheers.

just checked some more of my liners R33 1993 Aug RB25-59xxx R33 1993 Aug RB25-63xxx R34 2000 Sep RB25-375xxx (S2 Neo) RB25 List R33 1993 Aug RB25-59xxx R33 1993 Aug RB25-63xxx R33 1995 Jan RB25-116xxx (S2 coil packs & AFM) R33 1995 Nov RB25-145xxx (S2 coil packs & AFM) R34 2000 Sep RB25-375xxx (S2 Neo) This will be handy as i have a heap of engines, that hopefully soon i can work out what date etc they are

Cool guys, i am actually going out shortly to check some of my other skylines and get there details, once i have those i will report back. that would be top work cartman. Cheers... RB20 & RB25 numbers will most likely be all over the show as they were used in other model cars. But we may be able to get somewhere with it.

check this out, it may help i am trying to compile a list of production dates against engine numbers http://www.skylinesaustralia.com/forums/Da...um-t251414.html

RB26 List R32 1994 July 42xxx R32 1994 45xxx R33 1995 March 51xxx R33 1995 May 55xxx R33 1997 Feb 63xx RB25 List R33 1995 Jan RB25-116xxx R33 1995 Nov RB25-145xxx (S1.5 - Later coil packs) RB20 List Keep them coming guys, Hey cartman, sorry i couldn't use your information, if you don't know what month/year, i can look it up through nissan fast, from the full or partial vin number cheers...

OK guys, basically the way this will work is: I need your co-operation on the following: Please state: Model, year & month (if not the first4 digits of your vin) & the first 3 digits of your engine number. I.E. R33, Nov 95, (or alternatively ECR33-0633xx) & RB25-145xxx (could even specify S1.5) from this information we can then compile a list to give approximations of what date an engine might be. I.E. the RB26 list so far looks like the following: R32 1994 45xxx R33 1995 March 51xxx R33 1995 May 55xxx R33 1997 Feb 63xxx Please only post if your car has the original eninge fitted thanks cheers

need passenger rear qtr window offer $50 shipped to me

interested in pics. 34 GTR you say?