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bolt ons vs weight reduction

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Old 08-06-2011, 08:11 AM
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Dgio1223
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Default bolt ons vs weight reduction

Lookin to go the route of carbon fiber hood n trunk or basic bolt ins..intake exhaust..etc..

What would be more beneficial?
Old 08-06-2011, 08:27 AM
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John1006
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Basic rule is that for every 100 lbs you shed, you lose a tenth of a second in the quarter under perfect conditions. Assuming you have a DE motor, they don't respond too well to bolt ons. Full exhaust, your butt dyno might feel a little faster in the higher rpm range. Basic bolt ons though dont do the 350 any justice.

Last edited by John1006; 08-06-2011 at 08:31 AM.
Old 08-06-2011, 08:29 AM
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350z-Jason
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If you cut the car in half, you save almost 2000 pounds. That's your best bet.
Old 08-06-2011, 08:31 AM
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faiz23
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Go fast or look fast pick one. I would save all your benjamins and go with FI or engine swap if you want real power. If you want to save money but want a little something than get a revup air box with high flow filter, Do a set of HFC, Y-pipe and exhaust. Spend the rest of the money on Suspension and brakes. When you hit a jackpot pick up a SC / turbo kit or throw the VQ motor in the trash and put something decent to begin with in the engine bay.
Old 08-06-2011, 08:49 AM
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DavesZ#3
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https://my350z.com/forum/engine-and-...ed-your-z.html

Questions about bolt-ons get asked all the time. Search and read this forum...

https://my350z.com/forum/engine-and-...t-ons-etc.html
https://my350z.com/forum/engine-and-...or-a-350z.html
https://my350z.com/forum/engine-and-...-bolt-ons.html
https://my350z.com/forum/engine-and-...-bolt-ons.html
https://my350z.com/forum/engine-and-...-bolt-ons.html
https://my350z.com/forum/engine-and-...ifcations.html
https://my350z.com/forum/engine-and-...nd-torque.html
https://my350z.com/forum/engine-and-...-on-gains.html
https://my350z.com/forum/engine-and-...-bolt-ons.html
https://my350z.com/forum/engine-and-...wer-gains.html

Last edited by DavesZ#3; 08-06-2011 at 08:54 AM.
Old 08-06-2011, 09:10 AM
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Ruthless18x
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Who cares? Are you going to track the car or just drive like an asshat on public roads?
Old 08-06-2011, 09:38 AM
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aaron.cobb3
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There is a thread somewhere with all the weight of OEM parts. So find out how much you would lose and do the HP to weight ratio math. I'm pretty sure the link has been provided by Dave.
Old 08-06-2011, 10:28 AM
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Arvin89
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Just to let you know. The 350z hood is made out of aluminum. And very light as is. Getting a Carbon Fiber hood is not going to make a difference at all. You might lose 1 or 2 pounds.

If your really looking to lose weight, look into kevlar products.
Old 08-06-2011, 11:35 AM
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terrasmak
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CF hood is usually a 1/2 pound loss to even a gain, we are not driving honda's. The seats are heavy as hell, a nice weight loss is putting in some quality race seats.
Old 08-06-2011, 12:14 PM
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e30cabrio
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Originally Posted by 350z-Jason
If you cut the car in half, you save almost 2000 pounds. That's your best bet.
Which half?

:P
Old 08-06-2011, 02:15 PM
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Czarrr
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Originally Posted by Arvin89
Just to let you know. The 350z hood is made out of aluminum. And very light as is. Getting a Carbon Fiber hood is not going to make a difference at all. You might lose 1 or 2 pounds.

If your really looking to lose weight, look into kevlar products.
My VIS CF hood is only one pound lighter than my OEM hood.
OP, stick with stock hood as mentioned.

Originally Posted by faiz23
Go fast or look fast pick one. I would save all your benjamins and go with FI or engine swap if you want real power. If you want to save money but want a little something than get a revup air box with high flow filter, Do a set of HFC, Y-pipe and exhaust. Spend the rest of the money on Suspension and brakes. When you hit a jackpot pick up a SC / turbo kit or throw the VQ motor in the trash and put something decent to begin with in the engine bay.
This is very true.
Look fast or go fast. Aesthetics and bolt ons vs FI.
+10000000 for this comment.
I get a lot of schit from my homies who make fun of me because they've been with me since the day I got my Z.
It's EASY to put a good 7-8 grand with basic bolt ons and aesthetics.
Does it make your car any faster? Barely.
FI all the way.
Old 08-06-2011, 02:50 PM
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DavesZ#3
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Do you know what one single mod make the car go faster and handle better than all others? Training the driver.
Old 08-06-2011, 03:25 PM
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DemitriHKS
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I couldn't believe how heavy the OEM cats were. For a DE, doing TP is probably one of the best mods. You lose the weight and gain some HP at the same time.
Old 08-06-2011, 03:34 PM
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misterniceguy
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A light catback will get your some weight loss and power gain. Like the JIC titanium single. Very light.
Old 08-07-2011, 07:56 AM
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davidv
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I will put as much effort into this as you have. So far you are at zero.
Old 08-07-2011, 01:00 PM
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AngelsVQ
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Originally Posted by e30cabrio
Which half?

:P
the passenger side... duh!
Old 08-07-2011, 01:27 PM
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Old 08-07-2011, 01:50 PM
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ajcool2
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exterior
stock hatch: 77 lbs
hatch counterweight: 1.5 lbs
rear wiper and motor: 9 lbs
stock hood: 24 lbs
stock fenders: around 7.7 lbs each
headlight: 15 lbs each

interior
rear mat: 6 lbs
sound dampening "pads" in that space behind seats: about 5 lbs
shift ****: about 206 grams
leather heated seats: 50 lbs each
fabric seats: 37 lbs each
spare, jack, and tools: 40 lbs
headunit and speakers: about 7 lbs together
steel plate + bolts for subwoofer: about 5 lbs

suspension
stock sways: front 10.5 lbs and rear 4 lbs
stock spring and shock assembly: 10 lbs each
stock battery: 36 lbs

Standard Brakes
296x24mm Front Disc = 16.2 lbs
Single Piston Front Caliper = 12.2 lbs
292x15mm Rear Disc = 11.9 lbs
Single Piston Rear Caliper = 6.0 lbs

Track Model Brembos
324x30mm Front Disc = 20.0 lbs
4-Piston Front Caliper = 9.5 lbs
322x22mm Rear Disc = 17.6 lbs
2-Piston Rear Caliper = 4.3 lbs

fluids
full tank of gas: 6.5 lbs x 17 gallons = 110.5 lbs
full tank of washer fluid: 8 lbs

exhaust
plastic intake manifold: 4 lbs
stock headers: 15.4 lbs
rear muffler: 34 lbs
mid pipe: 12 lbs
y-pipe: 16 lbs
catalytic converters: 23 lbs each

wheels

(depending upon air pressure, almost any nissan tire + rim combo will be around 40-60 lbs each)
17" base rims F: 17x7.5 = 23.26 lbs and R: 17x8.0 = 24.140 lbs
18" track rims F: 18x8.0 = 18.1 lbs and R: 18x8.5 = 18.62 lbs
18" perf/touring rims F: 18x8.0 = 27 lbs and R: = 18x8.0 = 27 lbs
18" LMGT rims F: 18x8.5 = 18.3 lbs and R: 18x9.5 = 18.8 lbs
19" LMGT rims F: 19 x 8.5 = and R: 19x9.5 = around 22 lbs
all 20 lug nuts: 2.6 lbs

drivetrain
stock clutch weight: 22.19 lbs
stock flywheel weight: 23 lbs
crank pulley: 6 lbs
Old 08-07-2011, 01:50 PM
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ajcool2
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^I keep this saved on my cell phone
Old 08-07-2011, 04:58 PM
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DemitriHKS
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ajcool2, that is a great write up of information. Thanks for posting that.


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