Jump to content
SAU Community

Recommended Posts

bobby, is john going to make a support for the turbo/manifold?

is he expecting any problems form the manifold warping?

Hi,

No need to support the manifold at all.

Well once the manifold is on the car and running i doubt if we have any problems his engineered it well enough to keep away from any problems.

  • 2 weeks later...
  • 2 weeks later...

The head is at Wilkins engineering to drill the holes. This will help remove air locks above the combustion chamber in the head. Once its done i will port some pics of the work.

I have done some wiring on the car, i have installed pressure and temp sensors before and after cooler using 4 core tefzel wire.

post-49633-0-61686900-1318850714_thumb.jpg

post-49633-0-87755600-1318850740_thumb.jpg

Hey Bobby, are you going to come to SAU Nationals and bring along that Z-Tune of yours? Im sure everyone would love to see it there.

Hey Ian, Sorry just have to much work on atm. You are more then welcome to see John on the way back as we are 5 min off the freeway.

So who is doing the head porting and assembly Bobby?

Cleaning of the ports have been already done, no porting required, and i have posted pics of ports. This was done by John Skola.

Motor assembly will be done by Trevor ( Johns Close friend) . I sent the head to Wilkin's engineering to drill the head to relief airlocks, and he also linished the throttle body shafts. Ill be picking it up tomorrow so ill post some new pics.

Graeme Wilkins and John Skola worked together many years ago on race cars. This is why John gave me the green light for Graeme to do some work for me as John does not know many people that are capable of doing the job correctly. Graeme is based in Seven hill on Stanton rd www.wilkinsengineering.com.au.

The head needed the holes drilled to relief air locks above the combustion chamber, the holes drilled are 3.5mm using a Mill and making sure you dont go drilling into the port or the headbolt holes.

While the head was there, Graeme has noted down many measurements of the work that John has carried out on the head. ie port shape port cleaning and final port size. So if you wanted your RB26 head ported in the same manner as mine (as i now john dont have the time to do it) you can always go and see Graeme to get the job done.

Also Graeme has milled the throttle body shafts, gave him one that John did and he copied them to all three. This will help increase the area in the throttle when opened fully for increased air flow.

post-49633-0-07214800-1319533642_thumb.jpg

post-49633-0-31439100-1319533689_thumb.jpg

post-49633-0-58962800-1319533734_thumb.jpg

post-49633-0-90722600-1319533787_thumb.jpg

Did you get the head on a flow bench?

+1 to Wilkins doing great work on heads

Yes the head has been flowed and sorry i dont have the figures as john has the file somewhere, once i find the file i will list it with the rest fo the calculations he has done. File is worth a mint !!!!!!!!!!!!!!!!:thumbsup:

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

    • What copper washer do you guys use on the bleeder bolts? The existing one I have I had no idea where to find it in a local store, I did buy some online but that are only 1mm thick whereas my old one is 2mm+ thick and when I put the new washer out and squeeze the top radiator hose I can hear a bit of air but not with the old one. Does this matter? The new one doesn't leak, but the inner diameter is a bit loose whereas the old one threads on the bolt.
    • Howdy all, after being out a few weeks ago on a spirited drive in my GTR I have 2 issues that oddly have appeared at the same time. Whilst accelerating quickly through the gears all of a sudden i’ve lost power at the top of third gear (below redline around 6000rpm) for no obvious reason.    From that point onwards the car has been running rich on idle, won’t really rev under load without a ton of black smoke and the odd backfire, and dying as a pull up to a set of lights unless I keep the revs up around 1500rpm. In addition when shutting down the car that same night (I was 10 minutes from home) I noticed one of the turbos was significantly noisy on wind down when shutting off the engine. After letting the car cool down overnight it starts up fine, although once it gets to temp the revs start to creep up and down, the exhaust is darker than it should be and it also sounds like it’s running rich (fat note) I’ve put a new set of plugs in it - no change, the old plugs all seemed OK with two of them being somewhat richer/fueled up than the other 3 with 1 being borderline. I’ve smoked tested the intake system via the front of the Turbos, found a split vacuum hose going to the factory boost gauge sender, which I have since replaced.  Also found another leak on the gasket coming off the rear turbo outlet, have also replaced this. After fixing both of these leaks - still have the running rich issue. I’ve also tried another pair of AFM’s - no change here After pulling off the front turbo intake pipes, there is obvious shaft play in the front turbo, which now hisses loudly on light revvs although I can’t see why this would make the car run funny even under idle. I’m curious to know why it’s running rich before I potentially replace/rebuild turbos. The car is completely stock <50,000kms  other than an exhaust. Oil and coolant are all clear. I haven’t bothered with coil packs as it looks like they won’t be the issue due to condition of the plugs. Any help appreciated as I cry myself to sleep!
    • No probs at all. I used to love trying to dig up obscure info for those in need where possible going back 20+ years on SAU.  I did have another look and couldn't come up with any closer match. I'm leaning towards those skirts in your first pic are custom fitments, cut down/extended or from another car entirely and modded to fit an R34 sedan. I would've thought someone in Japan had them and taken a photo at some stage over the last 2 decades but there's nothing. Someone out there must know surely.
    • Welcome mate. Any pics? Even with a DE I'd be well happy if I had that as a 1st car. 
×
×
  • Create New...