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Everything posted by Duncan
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HOWTO: RB25DET High Boost mode with standard solenoid
Duncan replied to paulr33's topic in Tutorials / DIY / FAQ
nope. and no-one has posted in here saying they have had a problem. -
Skyline Heated Front Screens, R32 At This Stage
Duncan replied to Neil's topic in Motorsport Discussion & Builds
heated windscreen for less than a single race tyre. or about 1/20th targa entry fee. sounds like an excellent investment to me. -
Improving Stagea Fuel Economy/consumption
Duncan replied to 910trx's topic in Four Door Family & Wagoneers
I reckon you are right there....I have done everything to mine in various stages and never got better than 350 to a tank regularly (about 17l). I do use it in heavy traffic and I have a heavy foot. I might swap cars with one of you guys that gets 10 or 12 for a couple of weeks and see if it is me or the car On the bright side.....its a bloody brilliant car -
hmmmph for a supposedly lightwieght car it is very hard to push uphill
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Undercar Steering And Handling Help
Duncan replied to fattox33's topic in Suspension, braking, tyres and drivetrain
I wold look at the steering rack itself being bent. especially if it doesn't return to centre very well. The list I posted in adjustable aftermarket bushes would be $3-6k depending on if it is yourself or a workshop doing it. A huge job to do yourself with lots of findly and tricky jobs I agree....but most stuff is flogged out after 15 years and 150000klm -
Undercar Steering And Handling Help
Duncan replied to fattox33's topic in Suspension, braking, tyres and drivetrain
BTW, locked HICAS does not replace the inner and outer tie rod ends, or the hub ball jounts. It just replaces the moveable part of the steering rack. -
Gtr Actuator Not Opening Until High Boost
Duncan replied to kristafa's topic in Engines & Forced Induction
I used a compressor, with a regulator keeping it under 20psi, and a bleed valve. T-piece for a boost guage. Set it to 5psi, link it to the actuator and slowly close the bleeder until the arm moves. I understand the adjustable length of the actuator only adjusts the preload on the wastegate, should be 3-5mm. I guess that affects the boost by maybe 2psi? But I don't see how it can be really "adjustable" far from the preset tension of the diaghram -
Undercar Steering And Handling Help
Duncan replied to fattox33's topic in Suspension, braking, tyres and drivetrain
unfortunately....that is a big question. the good news is, if you do go through with it you will probably be amazed with how much better the car feels. Front Suspension Springs Shocks. There is a rubber bush at the top and bottom. In a skyline this does not have a direct effect on the suspension geometry unlike in strut suspension. It can still cause a "knock" noise Sway Bars. There are 2 ball joints at each side and 2x "D" bushes that clamp it to the subframe. You can get kits for these from many suppliers. Upper control arm. I am not familiar with the 33 GTST upper arm. In a 32 GTR it has bushes which flog out very easily. I replace mine about twice a season. You can get them locally. Lower control arm. Also not really familiar with 33 gtst. On a 32 GTR it has 2 ball joints, 1 inner and 1 outer. Neither are readily available except from nissan (and expensive). The good news is they last well Caster Rod. Has large bushes at the chasis end. Replacements readily available locally, or use a replacement arm with rose joints Steering rack. Has 2 bushes holding it to the car. Has inner and outer "tie rod ends", both of which can wear. You can get non-genuine ones locally. There is a ball joint at the hub that the tie rod end bolts to, it also wears. Rear. The front was easy. Springs. Shocks. Same as the front. A bush in the strut top, and at the bottom of the shock. Sway Bars. Similar to the front - D bushes attaching it to the car. links with 2 ball joints. Upper Control Arm. Bushes at the inner and outer end. Rose joint options to replace the arm Upper Traction Arm. Bushes at the inner and outer end. Rose joint options to replace the arm Lower Control Arm. 2 Bushes at the inner end. Ball joint at the outer end. I think they are hard to find in rose-joints for 33 Gtst Steering Rack. Inner and outer rack ends, some are available locally. Also ball joints at the hub. Brands to look at: Whiteline, Whiteline plus (noltec), Superpro make "nolathene" bushes which are a fair bit harder than factory, and are often adjustable. You can also get nissan or nismo (similar but a little harder) but very expensive. Or you can replace the whole suspension arm with one of the china aftermarket arms which have "rose-joints" at each end. These are tighter, harsher and will wear out sooner, but are cheap and accurate. Driveline - cv joints in each driveshaft, tailshaft CV joints and uni joint. Gearbox mount. Engine mounts. Diff bushes for front and rear mounts. I have replaced every one of the items above on my race car....and it was worth it. Handling is much more precise and predictable as you would expect for 20yo parts. -
Max Power For R32 Gtr Drivetrain
Duncan replied to boky's topic in Suspension, braking, tyres and drivetrain
stock boxes die mostly between 350 and 450awkw, depending on driving styl/luck . xfer case should be good for anything. -
Gtr Actuator Not Opening Until High Boost
Duncan replied to kristafa's topic in Engines & Forced Induction
good choice to test them BTW....I tested some the other day, 1 opened at 12psi, the other at 15psi. ie one turbo would have spent it's life working 30% harder than the other. brand new actuators -
Brake Upgrade - Track Gts25T
Duncan replied to tarmac's topic in Suspension, braking, tyres and drivetrain
you should never crack a rotor from having insufficient time to cool them. sure they might crack while driving and get worse when you slow, but you should never stop with very hot brakes. do your cool down at 75% and avoid using the brakes at all. At most tracks that is 2-3min of cooling already. If you are still worried when you get back in the pits, go for a drive at walking speed for another couple of minutes. when you do stop, don't put the handbrake on (the drums can weld to the handbrake shoes). don't use cross drilled rotors. avoid slotted rotors which have slots that go to the edge of the disc. avoid the DBA skyline rotors cast about 3 years ago, they were terrible and all cracked. -
Front End Lifting Badly Under Full Throttle
Duncan replied to dorifticon's topic in Suspension, braking, tyres and drivetrain
can you measure from the centre of the wheel to the guard for both front and rear? this will tell us more about the spring heights in there now. also have a good look underneath, or give us pics of the shocks and springs. it is very possible that old, standard shocks and springs will allow heaps of squat -
What Have You Done To Your Stagea Lately?
Duncan replied to Hanso's topic in Four Door Family & Wagoneers
agreed, the brembos are about 10% more braking at 100% more cost. no worth it. 32 gtr/33 gtst are excellent for the price -
well....generally....every bolt with a given strength has a proper torque that it should be tightened to. overtightening is very dangerous because it will stretch the bolt/stud further that it is designed for, causing it to weaken or break. This is very important....overtorqued bolts/studs break all the time, in particular wheel studs. The engineers who decide the right torque have done a heap of testing before deciding on the safe maxiumium torque. Through the magic of mspaint.... A is elastic phase. while you are here the bolt will basically be fine, forever, over and over. it bounces back. B is the yeild point. past here you damage that bolt forever C is the plastic phase....it is changing shape (stretching) forever but has not broken D you have stuffed it....it just snapped. The target torque for a faster is normally about 75% of it's yield point (keeps 25% safety margin). An M6 bolt like the cam cover bolts is only 20nm. ie quite light when done by hand. But.....these are rubber seals and not metal on metal like most bolts. Here they are trying to make sure you don't squash the rubber too far and deform it. so the correct torque is even lighter still. You will see the rubber washers bulge a little, but not be squashed, at the right torque
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BTW, that is CAMS only. was this WSID or the circuit? If circuit, which event
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+1, what standard is it that was knocked back? CAMS helmet requirements are here: http://www.camsmanua...dule_G_Q111.pdf importantly, it includes the following: 4.8 Moratoriums (a) There is a moratorium on the implementation of any changes to apparel requirements, save for any identified and pressing safety related requirements which may arise or become evident, for non-international events, until 31 December 2012.
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cowboy1600, I heard you got a hand job from the queen? wow....website idea! profit!
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Electrical/wiring Forum
Duncan replied to OKBANANA's topic in Site discussion - including Ideas/Feedback & Bugs
subsection or sticky in FAQ/DIY would be perfect -
good to see it running! don't worry about the brake discs that is perfectly normal (at least in my world lol) re fuel surge....probably if it is a long turn (particularly right) with low fuel level. easiest way to be sure is to try again with a full tank. on good tyres I get surge anywhere under half a tank (standard fuel pump setup). definately worth a surge tank if you are allowed to run one
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"race car" = straight line not roundy roundy I guess? w either way, good to see a new skyline competing...all the best on the track
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Skyline Heated Front Screens, R32 At This Stage
Duncan replied to Neil's topic in Motorsport Discussion & Builds
In for an R32 screen, of course. in thre real world visibility is less than ideal at 200 with a fogged up windscreen and wipers that take over 1 sec on the downstroke.... Anyone building a rally or track r32 that does not jump on this is absolutely mad. -
60k + a car + entry + crew (cheif, 3-4 mechanics, cook) + spare car for parts + 3-6 sets of tyres @$2k + fuel +accomodation/food/transport etc. And no guarantee the car won't be destroyed before you get a drive there are plenty of cheap ways to race at bathurst without having your eyes glued to your rear view mirror incase a mosler is coming past. IPRA race in Feb for example. Or rent a ute at the taxi event.
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Add sig size limits not working, and edit time restrictions not working. all the little things we've done to keep the place tidy over the years!