For those of you with FI - Who's in the 10's

Jeffblue

they could probably get 10's with slicks.

phunk

id like to see it happen on 18's. With slicks, its pretty much a given... 550rwhp is more than enough for 10s on slicks with a full weight 370z.

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Red__Zed

Can the axles handle slicks? I know the 350 could only handle about 400whp on slicks.

m4a1mustang

That's been my question all along. Not sure how much the rear end can take before it grenades.

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Red__Zed

I'm not as familiar with the r200 variant in the 350, but the z32 version was near bulletproof. I believe the 350 version is notably weaker, but not sure the actual limits.

The axles are a definite weak spot though. I hear cv click from guys that just street drive FI setups. I can't imagine theyd hold up to much on slicks, but you never know unless you try.

phunk

The rear ends and driveshafts will not break.

The axles are not the strongest but they can do it. Its not a bad idea to keep a spare set around. The axle clicking has nothing to do with power, most stock Z's do it. My 350z and 370z both did since brand new.

Just launch careful and you will get some life out of the axles... preload them nicely and dont just plain drop the clutch. If you are going to be serious about drag racing, make sure you bring a spare axle and tools to the track, or a trailer.

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Red__Zed

I've never seen a 350/370 launch hard with slicks on stock axles. The guys at dss (who built my axles/driveshaft) don't recommend the stock axles for slicks at any power level. Most guys I know go to aftermarket assemblies not far beyond 400, even on just dr's.


There are two types of cv click, and frankly, neither is normal. One DOES often happen in stock cars though.

phunk

Plenty of guys run stock axles and just bring spares. I wouldnt recommend drag racing on stock axles or DSS axles if you want to keep them in 1-piece... but its just part of the game. A bad launch breaks the DSS axles all in the same, they can just take a tad more. If you are soft enough you will get down the track.

Axle clicking definitely isnt normal... just saying its unrelated to power. My 03 350z left my hands this summer with the original axles still in it, clicking away as they did when new. After countless sets of wheels/tires including 2 sets of drag radials, half a set of slicks, and always R-Compound tires for street/DD. I was mostly a street racer, so no sub 1.8 60's for me... but plenty of hurtful nasty wheel hoping launches occured over the years and they held up.

I still say just preload it nice and dont lose your cool as you release the clutch and keep a spare with you, and you will be fine.

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Red__Zed

Carrying around spare stock axles is a band aid at best, and really only makes sense if you don't plan to track hard more than a handful of times.


I dont know where you get the idea that dss stuff belongs in the same discussion as stock parts. They're warrantied for drag, and I placed quite a few 9 second passes on my r200 with lvl5 axles....three transmissions (an Aussie dog box included) later, still kicking

phunk

My take on it was that they should be able to if you drive/launch proper. You think people should upgrade them first. Not a bad idea. It doesnt conflict with my opinion. I just think the stockers could pull it off.

Personally I will just replace one if it breaks. Its unlikely that breaking an axle is going to damage any other part on the car, so thats a $2000+ upgrade that I do not mind waiting to spend until it is a problem. But I am not trying to stop anyone from upgrading them first if they feel it is unacceptable to run the risk.

BTW when I saying that DSS axles break just the same... I was refering to people I have known that broke the other levels in a 350z/G35. All they offer for the 370z is their "Pro-Level" setup, which I have never personally heard of anyone breaking. So for as far I know, the only solution they list for the 370z may be "bullet-proof" for the most part.

The Driveshaft Shop | NISSAN 2009- 370Z / G37 1200HP Pro-Level Axles - 370Z / G37 - Nissan - Import Axles

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B.A.Q

wow 1200hp

It must not break because I'm not gonna have mercy on an axle that has a year warranty if I bought it haha

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Red__Zed

not saying anybody needs to (or even should) do anything. I'm just saying the mentality that you can throw on slicks and throw down 10s consistently is probably not entirely accurate

Red__Zed

it holds up pretty well

superchargedg

My buddy Alberto's 350 ran an 11.1 even when lifting twice going down the track and then got bounced cause he had no rollbar.

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Red__Zed

did he ever get into the 10s? I know his 11.190 (which is not the same as 11.1) was way back in 2007