Well i looked at my garage and noticed i still have a pair of 17x7's +38 still sitting in my garage after like 3 years...so i was thinking if i could make use of them

i just bought a set of cheap 15x7's +35

i'm running sts in a fwd 3000lb. car

I was thinking, if i put the 15's up front with the 225/50/15 azenis...17's in back with 215/40/15...both diameters are perfectly matched

i was reading a review of someone who tested different weighted rims in back of a fwd car (keeping fronts at the same width) and it had very little effect on the 1/4 mile times so i won't be hurting acceleration or gearing

now, with the 35+ offset in front and 38+ offset in back, it'll be like i'm running a 3 mm spacer up front which should help induce a little oversteer or is it too small of a difference to be effective?

question is, will the lower profile in back make the rear end come out a little easier as well and feel more stable and controlable? what are your guys' thoughts on this setup? I'm just playing with the idea...my original plan was to run 225/50/15 up front and 205/50/15 in the back..

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by azian21485 &raquo;</TD></TR><TR><TD CLASS="quote">I was thinking, if i put the 15's up front with the 225/50/15 azenis...17's in back with 215/40/15...both diameters are perfectly matched</TD></TR></TABLE>

I'd like to see the face of the installer mounting those tires...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slowhtwgn &raquo;</TD></TR><TR><TD CLASS="quote">

I'd like to see the face of the installer mounting those tires...

</TD></TR></TABLE>

LOL!

Just sell the 17's and buy some more 15" tires.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mr Hammond &raquo;</TD></TR><TR><TD CLASS="quote">

LOL!

Just sell the 17's and buy some more 15" tires. </TD></TR></TABLE>

nah just rock steelies in the front and be like every other street ricer

When people talk about staggering rims sizes it's usually because they have there suspension geared towards that

If your going to have really stiff rear suspension the 17's will be like ice skates

ie grip Grip GRIP SLIDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEEEEEEEEEee

 

well last year's setup i was running 12k rear 10k front and a s/t 19mm swaybar...205/50/15 azenis all around...i liked how the car handled with that setup

next year i was thinking about throwing on a stock 17mm hollow front swaybar and new front bushings..i'm scared that with the stiffer front, the car will return to it's natural understeering tendencies...that's why i wanted to run the 215's in the rear, and the 215/40/17 was the only real option

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by azian21485 &raquo;</TD></TR><TR><TD CLASS="quote">well last year's setup i was running 12k rear 10k front and a s/t 19mm swaybar...205/50/15 azenis all around...i liked how the car handled with that setup

next year i was thinking about throwing on a stock 17mm hollow front swaybar and new front bushings..i'm scared that with the stiffer front, the car will return to it's natural understeering tendencies...that's why i wanted to run the 215's in the rear, and the 215/40/17 was the only real option</TD></TR></TABLE>

Ok so what front sway bar were you running before, none? So you think putting a bar on the front it will go back towards a more understeered bias. Ok fair enough. Why would you put WIDER tires on the rear? There's also a 215/45/16, but why aid rear traction if you want to increase oversteer?

If you like your last set-up because it was more neutral or more oversteer prone, why mess with a good thing that will revert back?

 

if I were to run a staggered setup I would be running the 17's up front. More contact patch up front where you want it, plus the shorter sidewall will improve turn-in.

15s up front with 17s out back sounds like plow city to me

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mr Hammond &raquo;</TD></TR><TR><TD CLASS="quote">

Ok so what front sway bar were you running before, none? So you think putting a bar on the front it will go back towards a more understeered bias. Ok fair enough. Why would you put WIDER tires on the rear? There's also a 215/45/16, but why aid rear traction if you want to increase oversteer?

If you like your last set-up because it was more neutral or more oversteer prone, why mess with a good thing that will revert back?</TD></TR></TABLE>

sorry i think i confused you guys...the 205's were last year's setup..this year i'll be running 225/50/15 up front and 215/40/17 in the rear...i wanted to try a front swaybar to see if i can improve turn-in and have a quicker response

[QUOTE=Mr Hammond]
if I were to run a staggered setup I would be running the 17's up front. More contact patch up front where you want it, plus the shorter sidewall will improve turn-in.
15s up front with 17s out back sounds like plow city to me

QUOTE]

i wanted to run the 17's up front with a 225/45/17 to give me a shorter sidewall but it would kill my already long gears

 

I have never in my life seen a staggered setup with larger wheels in the back on a FWD car.

Why don't you run 15's all the way around with 225 up front and 205 in the rear?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Todd00 &raquo;</TD></TR><TR><TD CLASS="quote">I have never in my life seen a staggered setup with larger wheels in the back on a FWD car.

Why don't you run 15's all the way around with 225 up front and 205 in the rear?</TD></TR></TABLE>

Exactly. Sell the 17" wheels that are collecting dust and buy 225/45's and 205/50's. Call it a day.

 

ok cool thanks gus

 

01. Increase front tire pressure.
02. Decrease rear tire pressure.
03. Increase front tire width.
04. Decrease rear tire width.
05. Increase front aspect ratio.
06. Decrease rear aspect ratio.
07. Decrease front tread depth.
08. Increase rear tread depth.
09. Increase front wheel width.
10. Decrease rear wheel width.
11. Decrease front wheel weight.
12. Increase rear wheel weight.
13. Decrease front camber. (More negative)
14. Increase rear camber. (More positive)
15. Increase front caster. (More positive)
16. Increase front toe. (Toward toe-out)
17. Increase rear toe. (Toward toe-out)
18. Decrease front anti-sway bar's stiffness. (Relative to rear bar)
19. Increase rear anti-sway bar's stiffness. (Relative to front bar)
20. Decrease front spring's stiffness. (Relative to rear springs)
21. Increase rear spring's stiffness. (Relative to front springs)
22. Decrease front shock's stiffness. (Relative to rear shocks)
23. Increase rear shock's stiffness. (Relative to front shocks)
24. Stiffen front suspension bushings.
25. Stiffen front suspension bushings.
26. Reduce front brake proportion pressure.
27. Increase rear brake proportion pressure.
28. Reduce front weight distribution.
29. Increase rear weight distribution.
30. Increase front downforce.
31. Decrease rear downforce.


This is a list of things you can do to increase oversteer.
I dont think your idea is far off at all. They do that exact same thing in Japan.
Decreaseing the rear tread ratio will give you more oversteer. More than likely the 17" wheel will weigh more than your 15" wheels so your right there again with oversteer.
But you may have to do other adjustments if your snap oversteering....
Go for it. If it doesnt work out, you have an extra set of tires for the street.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jojoforhelp &raquo;</TD></TR><TR><TD CLASS="quote">01. Increase front tire pressure.
02. Decrease rear tire pressure.
03. Increase front tire width.
04. Decrease rear tire width.
05. Increase front aspect ratio.
06. Decrease rear aspect ratio.
07. Decrease front tread depth.
08. Increase rear tread depth.
09. Increase front wheel width.
10. Decrease rear wheel width.
11. Decrease front wheel weight.
12. Increase rear wheel weight.
13. Decrease front camber. (More negative)
14. Increase rear camber. (More positive)
15. Increase front caster. (More positive)
16. Increase front toe. (Toward toe-out)
17. Increase rear toe. (Toward toe-out)
18. Decrease front anti-sway bar's stiffness. (Relative to rear bar)
19. Increase rear anti-sway bar's stiffness. (Relative to front bar)
20. Decrease front spring's stiffness. (Relative to rear springs)
21. Increase rear spring's stiffness. (Relative to front springs)
22. Decrease front shock's stiffness. (Relative to rear shocks)
23. Increase rear shock's stiffness. (Relative to front shocks)
24. Stiffen front suspension bushings.
25. Stiffen front suspension bushings.
26. Reduce front brake proportion pressure.
27. Increase rear brake proportion pressure.
28. Reduce front weight distribution.
29. Increase rear weight distribution.
30. Increase front downforce.
31. Decrease rear downforce.


This is a list of things you can do to increase oversteer.
I dont think your idea is far off at all. They do that exact same thing in Japan.
Decreaseing the rear tread ratio will give you more oversteer. More than likely the 17" wheel will weigh more than your 15" wheels so your right there again with oversteer.
But you may have to do other adjustments if your snap oversteering....
Go for it. If it doesnt work out, you have an extra set of tires for the street.</TD></TR></TABLE>

well believe it or not, the 15's weigh the same amount if not a lil more than the 17's actually...but can't beat the price for $90 a set

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jojoforhelp &raquo;</TD></TR><TR><TD CLASS="quote">01. Increase front tire pressure.
02. Decrease rear tire pressure.</TD></TR></TABLE>

Wouldn't you decrease front tire pressure for more traction and better turn-in and increase rear tire pressure for less contact patch and grip to have the rear end rotate more?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mr Hammond &raquo;</TD></TR><TR><TD CLASS="quote">Wouldn't you decrease front tire pressure for more traction and better turn-in and increase rear tire pressure for less contact patch and grip to have the rear end rotate more?</TD></TR></TABLE>

I found that when I reduced my rear pressure from 36 PSI to 30 PSI and left my fronts at 45 PSI on the advice of the top PAX'er in the region (Focus SVT at the time) I suddenly stopped pushing as much. Your mileage may very

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">i'm running sts in a fwd 3000lb. car</TD></TR></TABLE>

Good luck with that....

Matt&lt;---owner of a 2500lb STS car that's 400 lbs too heavy to be truly competetive...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mr Hammond &raquo;</TD></TR><TR><TD CLASS="quote">

Wouldn't you decrease front tire pressure for more traction and better turn-in and increase rear tire pressure for less contact patch and grip to have the rear end rotate more?</TD></TR></TABLE>

depends where your pressures are at to begin with...i think there's only one amount of pressure that'll give you the most contact patch for the tires...any more or any less can reduce traction