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Seriously dont know the weight. It was an item we didnt weighted. it was an obvious upgrade for lightening the car up. So i have no clue. And now it is deep inside the car.
Also creates a LOTS of room under the dash!!
 
Discussion starter · #63 ·
If you get that heater make a how to!
Will do

Seriously dont know the weight. It was an item we didnt weighted. it was an obvious upgrade for lightening the car up. So i have no clue. And now it is deep inside the car.
Also creates a LOTS of room under the dash!!
Yea, I removed the stock HVAC unit and there is a ton of room under there now
 
Looks great Chet. More pics?
 
I have been thinking about doing some of this stuff but it is scary! lol. I have the trunk emptied and that's about it for the weight savings so far. The only thing I can think of doing right now is getting a single exit catback exhaust (or getting one made and put on at a local shop)...I'm sure it will be WAY lighter than my cnt dual exit piece. That and light weight wheels should make quite a difference right? Does anyone know how much lighter wheels affects the acceleration? I understand that there is less rotational mass to move and there would be an obvious difference, but does anyone know how much difference per lighter pound on each wheel exactly?
 
Chet do you have superlight wheels?
 
light weight wheels should make quite a difference right? Does anyone know how much lighter wheels affects the acceleration? I understand that there is less rotational mass to move and there would be an obvious difference, but does anyone know how much difference per lighter pound on each wheel exactly?
Well things like driveshafts, flywheels, etc. are supposedly roughly equal to 10lbs for every 1lb. But after reading about lighter wheels on a physics forum, it seemed like the difference is only about half of that. but then you have to consider each lb per wheel is multiplied by 4 due to having 4 wheels.
 
I have been thinking about doing some of this stuff but it is scary! lol. I have the trunk emptied and that's about it for the weight savings so far. QUOTE]

what you also gotta remember is, by removing all that weight from the rear you are really throwing the balance off in the car. The front of the car is heavier (duh...). So thats where you want to remove the most weight, to even out the distribution. Other wise your car could handle worse.
 
Unless you really mess up the distribution, less weight is rarely a bad thing.

A lighter car will always handle better than a fat ass one. Sure if you made the distribution 70/30 then you might screw it up but I don't think doing what Chet did will make an impact and if anything the lighter car will handle better.
 
Well things like driveshafts, flywheels, etc. are supposedly roughly equal to 10lbs for every 1lb. But after reading about lighter wheels on a physics forum, it seemed like the difference is only about half of that. but then you have to consider each lb per wheel is multiplied by 4 due to having 4 wheels.
These numbers are just made up. 10lbs, 2lbs, 5lbs. No one really knows, it differs per car and it differs based upon which component of the drive train is replaced. Yes they make a bigger difference, but lets not just throw around completely unverified numbers, we don't want to mislead people.
 
what you also gotta remember is, by removing all that weight from the rear you are really throwing the balance off in the car. The front of the car is heavier (duh...). So thats where you want to remove the most weight, to even out the distribution. Other wise your car could handle worse.
My mechanic was worried about this when we took out the rear seats and did a lightweight battery. No issues yet! If I need to put weight back in the middle a roll bar would cover that and provide chassis strengthening+safety. I might take out the A/C to level things out a bit. Already have done a jdm front crash beam, ssp brackets/catch can. Got volks on the way for lightweight rims.
 
These numbers are just made up. 10lbs, 2lbs, 5lbs. No one really knows, it differs per car and it differs based upon which component of the drive train is replaced. Yes they make a bigger difference, but lets not just throw around completely unverified numbers, we don't want to mislead people.

they don't just make a bigger difference, they make a HUGE difference. Rotational inertia is killer.

However, most people get larger wheels when they go aftermarket, and throw larger tires that weigh more on those wheels. And as tires are the outer most part, their impact on the moment of inertia is greater then the reduction in weight of the lightweight rims. It's obviously no where near as bad as having heavy aftermarket wheels and bigger tires, but will often perform worse then the stock setup in accelertion and braking.
 
Lol, I wouldnt consider Enkei RPF1's superlight
lol, was just having some fun. You can't argue with the weight of the RPF1's, especially for the price.
 
Discussion starter · #77 ·
lol, was just having some fun. You can't argue with the weight of the RPF1's, especially for the price.
I know. Nothing wrong with having fun.

Yea, its hard to beat RPF1's price/weight, but looks, Volks take that cake all day.

I will have a set of CE23N's one day. BEST looking wheels on the 10's EVAR!
 
Figured I'd link your EVAP removal write up in here for further use fullness.
 
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