19" would I be an idiot to buy?

[aiden1983]

I was looking at some 19" rims and was wondering if they are a good or bad idea? I dont want my car to ride like crap but would love to put rims like this on. http://focus.c-f-m.com/index.asp?Pag...odID=1012&HS=1

What are some bad things about these rims or the size compared to say 18" or even 17". I just don't want to get them and then find out that I hate the ride or they are in some other way not right for me. thanks for answering the noob questions .

[MidWestRacer]

they should fit ok as long as your aren't dropped much or at all. Plus that is a lot of rotational mass you will be adding, you're going to need that powerworks you have listed in your sig.

[ZX3autoxtasy]

Originally Posted by MidWestRacer

they should fit ok as long as your aren't dropped much or at all. Plus that is a lot of rotational mass you will be adding, you're going to need that powerworks you have listed in your sig.

If its just to pimp around town your fine. You will be going slower, but thats about it.


A few more should chime in, I know theres some people lurking that run 19's.

[Z63R]

CFM

- 42mm offset
- 4 x 108mm bolt circle
- FREE hubcentric rings!

Recommended tire size: 215/35-19

Not recommended for vehicles lowered more than 1.5" from stock unless aftermarket shocks and struts are used.

First, find out how much they weigh. Too heavy = no good for performance (anything over 21 lbs is getting to be on the too-heavy side)

Second, determine the overall diameter of the recommended tire size; it may be really tall compared to what's on the car now which will affect the car's effective overall final drive gearing (effective final drive gear ratio) not to mention the above-mentioned additional rotational mass (see first suggestion)...

Third, the 42 mm offset sits pretty far outboard creating a potential rubbing issue at all four wheel openings in the fenders.

Now git' crackalackin'; you've got some research to do (like all extreme modifications). Good luck!

[OGFocus99]

I probably would not do it.

[pitchblack23]

Originally Posted by Z63R

First, find out how much they weigh. Too heavy = no good for performance (anything over 21 lbs is getting to be on the too-heavy side)

Good luck finding 19s under 21 lbs. I think you might be a little picky, considering there are some OE Focus wheels slightly heavier than that.

[Z63R]

^ ^ ^ Nicht !...

The Focus SVT "Euro", a strong, inexpensive, easily replaceable, great looking cast aluminum 17 X 7 factory-offset wheel, weighs 20.3 lbs according to TheTireRack:

Focus Euro

Size Selected: 17x7
Price: $125 (each)
Estimated Availability: In Stock
Recommended Tire Size: 215/45-17
Wheel Offset: +49mm
** Lightweight: 20.3 lbs. **

That's LESS than the Focus SVT 5-spoke at 20.5 lbs...

Which is why I'm replacing them (well, not really replacing them; I'm keeping the Euros) with 16 X 7, 14 lb, Sports Bronze Rota Grids...

[2focusd]

Chromie homie needs to get in here

-Brian

[Z63R]

2focusd

Chromie homie needs to get in here

He-e-e-e-re ya go-o-o-o, Brian...

sit'n'on_chrome

cell phone pictures from this morning.

[pitchblack23]

Originally Posted by Z63R

That's LESS than the Focus SVT 5-spoke at 20.5 lbs...

I could've sworn that there was an SVT wheel heavier than that. It may be the '04 6-spoke, or perhaps it's a shipping weight that's been rounded up.

At least we can agree that lighter is better.

[Z63R]

No worries...

[5speedZX3]

I ran around with 18" Velox VX-8's for awhile. There were great if the roads were smooth and pothole free. If the roads were a little rough or uneven you felt it hard up your spine. I loved the look of them, but the cost for driving on them far exceded what I wanted to pay. Tires were expesive and after I bent a rim from a pothole on the highway I chucked them. So if you want looks go for 18+ but if you want to enjoy driving around with the PW Id say get a strong 17in rim, they still look good and can take more of a beating.

[thefrush]

Originally Posted by pitchblack23

Good luck finding 19s under 21 lbs. I think you might be a little picky, considering there are some OE Focus wheels slightly heavier than that.

19x7.5" Centerline RPM - 15.6 pounds

19x8.5" Dronell M-10 - 18.5 pounds

19x7.5" Enkei RPO-7 - 21 pounds

19x8.5" Hamann Magnesium - 18.5 pounds

19x8" Import Development - 19.5 pounds
19x8.5" - 20 pounds
19x10" - 21 pounds

19x8 OZ Superleggera - 21.5 pounds (close enough for a hot-ass wheel )

19x8 RS Watanabe 0 16.5 pounds



Those are the 19s in my database that are under 21 pounds.

I'm sure there's many more, especially in the Rays Engineering Department, I just don't have the specs on them.

[pitchblack23]

Originally Posted by thefrush

19x8 OZ Superleggera - 21.5 pounds (close enough for a hot-ass wheel )

You've almost got me on the SuperLs, but how many of those others are available in Focus fitment?

The Centerlines, maybe. Those exotic mags? I wish.

[Toolman00]

The Superleggera's were replaced by the Ultraleggera's.

I have 17" Superleggera's and they look funny to me in a way. Like the spokes make the brake rotor look tiny or something. However, seeing how I got them brand new for half price earlier in the year (yeah, procrastination DOES pay off), and they weigh 15 pounds a piece - I think I'll keep them.

[aiden1983]

I will check on the weight. As for the greater rotational mass, won't it be close to the same since the tire will weight less and be low pro? I am just going of my old car that had a similar setup to what I would like to do just not 19". Also how much do you think this will effect me. I am buying my pwsc to be fast so I don't want rims that are going to slow me down like .5 s in a 1/4 mile (not even .2 s if I could help it).

[Z63R]

aiden1983

I am buying my pwsc to be fast so I don't want rims that are going to slow me down like .5 s in a 1/4 mile (not even .2 s if I could help it).

If you are indeed serious about that last comment, then don't buy/install ANYTHING heavier than what's on the car now, or run an overall tire diameter (outside diameter) larger than stock.

[OGFocus99]

Even a 205/35-19 will be .4 in taller than stock.

[ZX3autoxtasy]

Originally Posted by Z63R

First, find out how much they weigh. Too heavy = no good for performance (anything over 21 lbs is getting to be on the too-heavy side)

Second, determine the overall diameter of the recommended tire size; it may be really tall compared to what's on the car now which will affect the car's effective overall final drive gearing (effective final drive gear ratio) not to mention the above-mentioned additional rotational mass (see first suggestion)...

Third, the 42 mm offset sits pretty far outboard creating a potential rubbing issue at all four wheel openings in the fenders.

Now git' crackalackin'; you've got some research to do (like all extreme modifications). Good luck!

Like I said though, dude, if your just pimping around town they should be fine as long as they don't scrub/rub.

Just beware of potholes and such. You'll accelerate slower, but if they're just for cruising who cares as long as you can get up to 60?

[Z63R]

^ ^ ^ Why're you quoting me?

We posted at the same time; I wasn't undermining anything you said. You weren't even in the thread while I was typing my post. Dude.

[pitchblack23]

Originally Posted by aiden1983

I will check on the weight. As for the greater rotational mass, won't it be close to the same since the tire will weight less and be low pro?

Sort of. Weight is the important factor in how your suspension will handle the new wheels. For acceleration and braking, the important thing is rotational moment of inertia. If a 19" wheel/tire weighs the same as a 16", it will still probably have a higher moment because more of the weight (the rim of the wheel and the heavy sidewall of the tire) is further out.

If the weight is located further away from the center of the wheel, it takes more energy to turn it. It's similar to the reason that you can lift a barbell, but might not be able to hold it with your arm straight out from your body.

[aiden1983]

I know about rotational mass since I'm and engineer but I was say that you think it will be that big of a diff? I guess I could always calculate them both a see the diff. I was just wondering if someone already did this. Just because you have a higher mass and a larger diameter doesn't mean you have a higher rotational mass. It depends on the mass dispersion. Which I would think could be less in the 19"(due to the smaller tire etc), but again this is only my thought I don't have the rims so I really can't tell you either way. And does anyone actually know what the overall effect would be. If I'm talking 0.05s over a 1/4 mile then I am not too worried about ti .

[foci]

hell, i need to take and get some measurements, but motegi's new dp20 comes in 20 inch. I am def considering it

are those 19's on sittin on chromes sedan?? what drop and what tires? also offset?