Okay, so finally I decided to run my G35 on the quarter mile...I mean, its a peppy little car, not much of a competitor to a lot of the low 14 cars out and better out there, but I can take 90% of them on a mountain road and they'd never see me again :-)

Anyway -- 90% of races dont occur on long mountanous roads ;-) I want to be able to have the upper hand either way.

Firstly, what are some proven mod's for the 2005 G35X? I would like harder shifting & better engine performance, without physically modifying internal parts. I'd prefer ships, bolt-ons, the like. Any ideas?

All runs were made with Tiptronic (Triptronic? What is it?) Shifting

My first run at Infineon Raceway in Sonoma, CA was a 15.240 which I was somewhat expecting. VDC Off

My second run, was a 15.030 with the VDC fuse pulled and my tiny 100lb girlfriend removed from the car.

The third run, I hit a 15.046, VDC fuse still pulled, this time I shifted miliseconds before I would have hit the rev limiter.

The fourth run I got a 15.02 -- First bracket race, which I won. VDC still pulled.

Now, the final race, I decided to attempt a burnout, which actually didn't fail as miserably as I thought it would. Held the break 100%, Gave half throttle slowly released break and eased further into throttle. Rear tires gaveway for only a few seconds, but enough to make a whee bit of smoke :-P

Anyway, on all my previous runs, there was barely any rear tire spin, only on take off and most of the time, only 1/2 to 1 full spin at max.

Well, my take-off was rather interesting this time....all the way through 1st gear my rear tires were loose -- which I didn't expect at all, considering they should have been much warmer now, and I am driving an all wheel drive car.

Even though the wheels were loose in the back, the car felt a lot quicker after my 60' (which was actually the worst of the night, hitting a 2.36) -- I ended the race with a 14.996 and decided to go home.

All of this was with a single 12" Subwoofer & box (about 25lb total) and my Premium C package including the full size spare. I kept debating on taking them out, but didn't know if it would bring me much lower so said F it.

Anyway, any feedback?

Thanks guys!

 

First thing I'd do is put the car in D. Car will most likely shift better than you.

Unfortuneately, there isn't a whole lot you can do to these cars for significant gains without spending a lot of money. You can do the intake/exhaust thing for a few ponies, but cams, supercharger, and nitrous are probably your biggest gainers which are all expensive and warranty-busters.....

I also wouldn't beat on your car trying to heat up the tires with AWD. It's not gonna happen.

Losing weight WILL help. It's a matter of how far you're willing to go.

 

The AWD G35 is about 200 pounds heavier than the RWD G35. So I would suggest looking at getting a carbon-fiber hood, trunk, and driveshaft. Also get a CAI, exhaust, underpulleys, plantum spacer, and preformance chip, which some was previously mentioned. Replace your stock rims with 18/19 inch wheels and tires.

 

"performance chips" have not showed much, if any, gains on these cars. 18 or 19 inch wheels will often slow you down, not speed you up. rotational weight and stiffer side walls are the reason.

as far as weight goes, losing weight will make any car faster. but most people stuggle with the bang for buck benefit of using carbon fiber, in addition to some people (like me) not liking the look.

 

[QUOTE=DP0318 or 19 inch wheels will often slow you down, not speed you up. rotational weight and stiffer side walls are the reason.

[/QUOTE]

There are lighter aftermarket rim than the stock rims that car comes with.

 

True, but probably not too many. Then you factor in the heavier tire, and the fact that the rotating weight is further from the center, and you usually will lose, not gain. The idea that big rims improve performance is, in general, a misconception. If you look at any one particular aftermarket wheel, the weight increases at the diameter size increases. Ultimately, you'd want the lightest 17" wheel you could find.

This thread is about drag racing. Ask anyone that does it regularly, and they'll tell you the idea is to go smaller, not larger in diameter (for weight and sidewall flex). Trust me, I've done it.

 

And I suppose you've track tested all these mods that you've been posting questions about in recent weeks? On the car that you say you might buy in September 2006? "Plantum spacer"?

 

Well,

I was hoping to get some more 'proven' suggestions as far as mods go. Perhaps some links to proven names/products as well.

As for putting my car in drive -- This could be a good idea, and could be a good idea.

If I run the 1/4 mile in drive, I'm gonna hit 4th gear before the finish, while I should only be hitting the very top of 3rd gear.

So a performance chip wouldn't help out in these cars?

Cold-Air Intake, any new Intake Manifold for these? Anything like that?

Carbon fiber would not compliment my cars White Pearl paintjob.

Also -- if I want my car to sound more like a Coupe (Even the FX35 sounds like the G35 C), what should I do with the exhaust? I really really dont want my car to sound like a rice mobile, but I would really love for it to sound as good as the Coupe.

Thanks for the suggestions and help guys!

 

No more ideas eh folks?

 

i dont understand how they get these times, i have a 1995 integra gs-r stock i ran it at the track it was like 15.03 in the quarter, the best that i remember and this is from a vtec 170hp 4cyl
now i have a 265hp car and people are saying they're barely braking 15s, what is this people dont know how to drive or is the car really that slow, because it feels alot faster then my integra and its only .4 secs better

 

Lux -- run your G35. It's really that slow.

I'm not going to say there is no skill in running a Quarter Mile, but there are four points I can think of off the top of my head.

Quick R/T (doesn't make your time any better, but it'll get you to the next round in a bracket race)

Good Traction / Solid Launch (I'm driving AWD -- launches fine...except for the 20% fuel cut-off -- that's not a driver problem)

Perfect Shifts -- I've got shifting down pretty darn good -- shift RIGHT before the rev-limiter hits, never bounce off it.

Drive straight -- Well, there's nowhere else to go, I'm straight down the track all the way.

Now tell me -- how can you possibly blame the driver.

Running 14.9 in a 14.8 second car isn't a bad driver -- it's car limitations and track conditions.

The question wasn't about the driver, I want to make the car quicker.

 

I also say run with the trans in drive, I bet you will be run the same time or better than when you shift it on a stock car.

 

I personally am going to mod my car for drag as well as i have a bunch of friends with civics and integra's that want me to race them. I am going with a short ram intake rather than a CAI because everyone says that they are losing low end power but gaining good high end... Needless to say i dont need high end power on an 1/8 mile track. The stillen true dual cat-back "claims" 20+ hp at the wheels (i think that's a bunch of BS) But even 10rwhp is pretty good. As for losing weight, take your spare and your sub out of the trunk when you go to the track, run a little more than a 1/4 tank of gas, go on a diet (all the basics) I'd get some nice 17" wheels and some BFGoodrich g-force t/a drag radials (good streetable tire for cheap) or any other drag tire ie(kumho v700, michelin ps cup, nitto 555R, etc.) cant think of anything else for now.

 

Gdup, thanks for the response!

Curious to know, is your RamAir compatible with my G35X layout? If so, where should I go to purchase one?

How hard would it be to bring the G35X to a 14.3 or so?

 

I ordered the K&N typhoon short ram intake from performance nissan the other day, should be here next week, i'll let you know how it feels once i get it in. It is available for the X as well. I really dont know how hard it would be to bring your 1/4 mile down .7 seconds, that would be a better question for some of the guys out there that already have a couple bolt-ons. I wish i could just get all my engine parts at once but unfortunately im workin on a budget, trying to get once big thing a month... slow process when you have the mod. bug. I'll probably get the motordyne plenum spacer next month and we'll see what i run in the 1/8 mile when i go.