Disappointed... bolt ons w/ osiris tuner. NEED ADVISE

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Old May 6, 2016 | 03:17 AM
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BlkG.Sportx03's Avatar
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Angry Disappointed... bolt ons w/ osiris tuner. NEED ADVISE

I haven't put the car on a dyno in the 5 years I've owned it (no local dynos within a 3 hour radius). i know the car very well and noticed slight increases with the listed mods.



Motordyne 5/16 plenum spacer
JWT Pop Charger intake
Z tube
264 Tomei Camshafts
Tomei Expreme V2 headers
Megan Test pipes (non resinated)
Flow master muffler

after just installing headers on 5/4/2016, i roll raced a 2006 enthusiast edition 350Z that is COMPLETELY stock. no bolt ons whatsoever. 3rd gear pull from 3k rpm we hit it exactly at the same time and lost by 4 ft. (my bumper was on his door). i then flashed the ecu with a ROM sent to me from a pro tuner that was made identical to the same ROM a dyno tuned G35 with very similar mods (cams & headers). knowing its not going to be perfect since the ROM was not made for the purpose of my G, i roll raced the stock 350Z again. 3rd gear, 3k rpm just like the last run. this time were bumper to bumper, & every pull we did he never pulled an inch on me. WTF!!!!!!!!!!! :beat horse:
so far the biggest waste of money if i can't even inch away from a stock Z
sooooo whats next??? what would you do? (bon fire last resort)
 
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Old May 9, 2016 | 12:53 PM
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Drive 3 hours to get it on a dyno and setup correctly.
 
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Old May 9, 2016 | 01:22 PM
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You did all those mods and you wonder why a car that is 400+ pounds LIGHTER than yours barely pulls you? I think you did well.
 
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Old May 9, 2016 | 02:36 PM
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Throw some money on lightweight wheels, axles, brakes, and driveshaft...will get a lot more power at the wheels
 
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Old May 9, 2016 | 03:14 PM
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Originally Posted by VenomGT9
Throw some money on lightweight wheels, axles, brakes, and driveshaft...will get a lot more power at the wheels
I want my brakes to get me power at the wheels too
Dope!!
 
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Old May 9, 2016 | 04:15 PM
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I think all the weight from your chrome calipers is hurting you significantly, definitely not from your swag stance
 
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Old May 9, 2016 | 04:29 PM
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Originally Posted by VenomGT9
I think all the weight from your chrome calipers is hurting you significantly, definitely not from your swag stance
shitt aint kroam fam. get with the program.
 
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Old May 9, 2016 | 04:40 PM
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Running a tune for a different vehicle was a dumb idea.
 
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Old Aug 3, 2016 | 12:26 AM
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6 speed G35 sedan
Lighter wheels make a noticeable difference when accelerating. There was a Sport Compact Car test many years ago, they were trying to get a CRX to go 150 mph. With an engine only putting (at the time) about 130 hp to the wheels, it picked up 5-8 hp though the power band just by switching to lighter wheels.
 
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Old Aug 3, 2016 | 08:29 AM
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Originally Posted by Peoria35sedan
Drive 3 hours to get it on a dyno and setup correctly.
This is your solution, every thing else is just unless you intend to build a track car or something close!
Gary
 
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Old Aug 4, 2016 | 11:50 PM
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Change to a higher gear ratio, will feel and act much faster
 
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Old Oct 21, 2016 | 05:22 PM
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Originally Posted by Mignav01
Change to a higher gear ratio, will feel and act much faster
exactly what I was going to say. the Z has a different rear diff ratio and like someone said, about 400 less lbs.


the G was a luxo-sportish car , therefore the rear diff ratio is less snappy and more gradual than the Z. the power is there, but the time to get to it is longer and more relaxed.


my next major mod will be 4.08 ring and pinion for this reason.
 
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Old Oct 23, 2016 | 12:11 PM
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LOL! wow! You can have all the bolt ons (n/a) on your G. The fact is your G is a fat lady going against a skinny lady (z). You have to shave off weight if you want to beat the Z. You should tune the car so all your mods work together. you can shave off weight by getting bucket seats in the front.
 
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Old Oct 23, 2016 | 12:39 PM
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Underdrive pulley set, engine damper, transgo shift kit for the throttlebody
 
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Old Oct 23, 2016 | 01:43 PM
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cf driveshaft as well. might as well have the engine rev up faster
 
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