Need advice from anyone who runs both 18s and 17”/15” drag pack

[MG0h3]

Car is 2.9 Whipple @20psi on E. GenV and 1300s sitting in spare bedroom.

Goal is to improve traction. I know this is a slippery slope.

Car is on 18” classics, HR sports, bilsteins

Love the classics so this is tough.

I have stock springs and Viking DAs for the rear.

Need recommendations from experience.

Looking at. 17”/15” Weld S77 package.

Has anyone done this for a street car and not noticed a major improvement in traction on the street? Been looking at 275/50s or 315-325/40 or so for the 15s.

Tire height is a concern since I don’t want to swap gear sets right now.

Just wondering if getting a 15” in the back vs a good 18” will really make that much difference on the street. Gonna have to go more aggressive than the SS on the 18s if I go that route.

I intend to do the springs and Vikings regardless.

Thanks in advance!


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[beefcake]

as long as you put a mickey on there, you should pick up a ton of tracktion

we keep most of those welds in stock let me know

 

[BlckBox04]

Not notice a difference? With a good tire you’ll notice a difference regardless of wheel size.

FWIW I have 15s all around on mt et streets on my weld s77 and don’t have any issues.

I have Viking DA shocks stock springs lakewood struts and qa1 front springs. It’s a whipple car

 

[MG0h3]

Not notice a difference? With a good tire you’ll notice a difference regardless of wheel size.

FWIW I have 15s all around on mt et streets on my weld s77 and don’t have any issues.

I have Viking DA shocks stock springs lakewood struts and qa1 front springs. It’s a whipple car

I guess I’m asking is it noticeable enough difference to drop 3k on a second set of wheels?

I always run DRs.

What width 15 are you running and what tire size?


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[BlckBox04]

I guess I’m asking is it noticeable enough difference to drop 3k on a second set of wheels?

I always run DRs.

What width 15 are you running and what tire size?


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275/50/15 only because my fenders aren’t rolled and also my z06 I have stock rear tires on toyo r888r and that bitch hooks and those are 20s

 

[robvas]

Buy Racestars and MT Streets it'll only be $1,000 instead of $3,000

 

[DSG2003Mach1]

Or buy a set in the same size off FB marketplace etc… if you like it sell them back off for what you have in em and buy your fancy set

 

[Klaus]

I guess I’m asking is it noticeable enough difference to drop 3k on a second set of wheels?

I always run DRs.

What width 15 are you running and what tire size?


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I went with 15s and noticed a huge difference. 305 et streets. 1100 whp. Car dead hooked at that power level.

 

[LS WUT]

Car is 2.9 Whipple @20psi on E. GenV and 1300s sitting in spare bedroom.

Goal is to improve traction. I know this is a slippery slope.

Car is on 18” classics, HR sports, bilsteins

Love the classics so this is tough.

I have stock springs and Viking DAs for the rear.

Need recommendations from experience.

Looking at. 17”/15” Weld S77 package.

Has anyone done this for a street car and not noticed a major improvement in traction on the street? Been looking at 275/50s or 315-325/40 or so for the 15s.

Tire height is a concern since I don’t want to swap gear sets right now.

Just wondering if getting a 15” in the back vs a good 18” will really make that much difference on the street. Gonna have to go more aggressive than the SS on the 18s if I go that route.

I intend to do the springs and Vikings regardless.

Thanks in advance!


Sent from my iPhone using the svtperformance.com mobile app

I had the 275/50/15 on the back of my Redfire. I did have to shave the knuckle down just a tad to get the 15 to not rub. However a huge different. I also just got a set of 275/50/15 nitto nt555 RII’s. Awesome tires.

 

[01yellercobra]

Is there a reason no one goes with 16" wheels for the rear instead of 15's?

 

[beefcake]

tire selection

 

[44shelby]

To answer your question yes it is worth it when you make 700 plus.

 

[MG0h3]

Buy Racestars and MT Streets it'll only be $1,000 instead of $3,000

Really don’t care for those.

I missed the 15% off weld deal while I was trying to decide what to do.

Should’ve been under 3 but oh well.


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[MG0h3]

Is there a reason no one goes with 16" wheels for the rear instead of 15's?

I considered doing that. Ccw makes a 16’ classic. Think tire selection is an issue.


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[MG0h3]

Y’all running a 15 x 9? Seems if you go the 275/50 route, that’s what you need.

Plus weld says you need extended studs and a spacer to run 10s.


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[LS WUT]

Y’all running a 15 x 9? Seems if you go the 275/50 route, that’s what you need.

Plus weld says you need extended studs and a spacer to run 10s.


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That’s correct sir. Also have a similar combo on the blue fox.

 

[LS WUT]

 

[LS WUT]