sonicii

technically, running a fuel with considerably higher octane than the ECU is tuned for, can result in reduced fuel economy.. I found this when I tried my old J30 maxima on 98 for a bit.. but I wouldn't expect to see any change between 95 and 98 on a car that is tuned for 96. So I can't say why you are acheiving better economy on 95..

I believe the coupe is 0.5in lower than the sedan as standard, so 350Z springs drop a sedan 1in and a coupe 0.5in. The G35 guys like to a 'G/Z combo' on their sedans, which is 350z springs in the front and coupe springs in the rear as that seems to make the gap between when wheel and the guard even all round. I believe all 350z springs are the same height, but they did do a revision of the rear spring rate at about 04, they made them firmer. have a look here. it gives some good info on how to identify the springs on their colour markings. http://g35driver.com/forums/brakes-suspension/211105-z-springs-front-coupe-springs-rear-id-reference.html

^^ this. the FSM states the knock sensor is only a last line of defence device, it is not used for tuning.. the ECU ignition maps are preset and don't change unless the knock sensor detects knock, then it switches to a 'knock map'. The manual for my car says to use 96RON fuel, which I assume is what they have in Japan?.. I have been using 95RON since I have had my V35 without issue.. I ran a test of 98 for 3 consecutive tanks about 6 months ago, I couldn't detect any improvement in performance and it didn't make any changes to fuel economy, so I have gone back to 95.

awesome.. thanks for the info.. and enduring with a suspension noob!!

Thanks for the info.. it was quite good. I think I understand.. correct me if I am wrong.. because the 350z has a different strut mount height in relation the suspension, the 350Z suspension arms with stock 350z springs sit at approximatly the same angle as the suspension arms in a V35 with stock V35 springs? so a V35 with 350Z springs has the arms at different angles when compared to a stock 350z? Meaning the subframe is actually closer to the road on a V35 with 350z springs than it is on a stock 350z?

I understand that.. but if you fit 350z springs and shocks in a V35, and there are no other suspension differences.. therefore a stock 350z, and V35 with 350z springs should have all suspension arms at the same angle.. so why is the camber different between the 2 vehicles when there is no camber adjustment? there must be some other differences with the suspenion.. the weight difference between the 2 is quite small, so I doubt that is causing it.

Yeah, but if everything else is the same, why would those angles be different between a stock 350z and a V35 with 350z springs? If you put V35 sedan springs in a 350z, do you end up with a + camber? And if so, why? What else is different?

sure, but the rear has camber adjustment from factory, they aligner was able to get mine in spec with 350z springs, but the front only has toe.. so why does the 350z front have -0.3deg camber and a v35 with 350z springs have closer to -1.5deg? something has to be different? or am I missing something really obvious?

Thanks. Still trying to work out the differences between the 350z suspension and the V35 sedan suspension.. if it is just the springs and shocks, it doesn't explain why the camber on a stock 350z is fine, but fitting the 350z springs in a V35 causes camber issues?? especially since there is no camber adjustment on the front.. Everything I read says everything else is the same.. just trying to get my head around it..

I'm interested in the uprev.. depending on the price...

If I had a square that size, I could do some comparisons. Although my rears are aligned to spec, and the fronts don't seem to be that bad on mine.. Do you know how much camber that is on yours?

yeah.. I had a quick look at shipping.. around $260.. still cheaper than buying it from Nissan Aust..

Is changing the fluid in a CVT box any different to changing the fluid in a standard auto?? Let us know if the source for the fluid is good.. I was thinking of changing the CVT fluid in our J31 Maxima, it uses NS-2 fluid and that seller has 20L for under $170.. which is about the same price as standard ATF here..

not too much, it does seem to sit a bit flatter when taking corners at normal speed, but I don't feel like I can push it through corners faster than before. I was a bit worried about the comfort level as I have the revised rear 350Z springs which have a higher spring rate than the standard V. but I can't really notice it.. I am fairly happy with how it looks.. I didn't really like the look of the front with the stock springs, especially with the smaller front tyres..

As requested..

I have had them in for several weeks now.. I will take a pic for you tomorrow.

hmm.. perhaps I will just leave it and see how they go.. I have Kumho KU36 tyres on the front which are fairly soft.. they were $200 each.. so if I assume -1.5 deg camber will wear the tyres twice as fast, then it is going to take more than 2 sets of front tyres before I recoupe the costs of the arms. But if it isn't going to reduce the life of the tyres that much, then it might not be worth the extra cost of buying these arms.

Just guessing, but I don't think it is probably as bad as that pic suggests.. by the look of it, the mess of wires is just someone's home made adaptor cable with connectors for the S1 harness on one end and connectors for the S2 cluster on the other end.. if you can get the correct connectors, the service manuals and some good multicore cable, I am sure you could make up your own adaptors that look much nicer.. Still not a nice 'plug and play' job though..

After much searching, i think I am going to buy the SPC arms.. but not the PRO version. http://www.spcalignment.com/component/spc/?task=part_description&pid=72125&region=AsiAust&make=Nissan&model=350Z%2FSkyline&year=2003+-+2009&from=AsiAustFrom&to=AsiAustTo They are quite a bit cheaper and seem to have good reviews on the g35 forums. They use hub and caliper shims to acheive more than 1deg of positive camber change. According to their webpage, trying to acheive more than +1deg of adjustment with the arms alone will cause space issues between the end of the arms and the wheel well. The rubber bushings should also give a similar NHV to the factory arms.

Lol.. that's awesome.. sometimes I wonder about Nissan.. why make so many changes just on a speedo cluster between S1 and S2..

I'm guessing that pic is from a USA or Canadian G35.. if you can get a cluster from a V35 you should be fine.

Lol.. I guess you mean 'shift'??

Maybe it is.. but I though the reason the staggered wheel setup on the coupe didn't impact the speedo accuracy is because the front tyre sizes are reduced by the same amount the rear tyre size is incresed, when compared to a non-staggered setup? so the average speed from all 4 wheel speed sensors is the same? Also, the speedo doesn't 'shoot up' when you break traction on the dirt with VLSD as much as it did in my old R31.

I think it will. Speed is determined by wheel speed sensors. Not transmission output like the old days. You can change diff ratio without affecting the speedo.

I installed one of Commsman's cruise control units with factory controls in my 05 sedan.. the connector behind the dash for the steering wheel buttons has no wires for the cruise switches.. So there is no wires from the back of M203 on a car that doesn't have CC fitted from factory. fortunatly the spirial cable has all the conductors..