New Summer Tires for Mach 1

[ChitownStang]

Hey all, so I am contemplating new summer tires for my 21 Mach 1. I have about 9500 miles on the stock non-HP staggered setup and when I run the Flex tune with E85, I just spin through 3 gears and can't hook up. Seems like I have good tread left and I store them in my heated crawl space in the winter months so the compound should be good. I only run 93 on the Flex Tune in the Winter with my Continental DWS Sports 275/40R19 all around and they hook up much better.
What do you guys think the issue is?
If I were to switch the rears out first to a Continental DW sport 295/35R19, could I keep the PS4S 255/40R19's up front or is this too much of a stagger and are 2 different types of tires front and rear not advisable?
Equal or greater Tire diameter in the Rear is important to me for how the car looks and sits.
Thanks for any advice or input.

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[MidwayJ]

If you like Contis I would go with Extreme Contact Sports so you would not be mixing summer tires with all seasons. For size I'd either stick with 275/40r19 or go with 285/35r19.

 

[ChitownStang]

If you like Contis I would go with Extreme Contact Sports so you would not be mixing summer tires with all seasons. For size I'd either stick with 275/40r19 or go with 285/35r19.

I was going to keep the 255 PS4S summer tires that came up front and widen the rears for traction so they would all be high performance summer just didn't see the need to replace the fronts.
Is this too much stagger though?

 

[MidwayJ]

I was going to keep the 255 PS4S summer tires that came up front and widen the rears for traction so they would all be high performance summer just didn't see the need to replace the fronts.
Is this too much stagger though?

Oh, I thought the DWS tires from Conti were all seasons. What is the width of the rear wheels, 9.5 inches? If so, you really don't get much benefit from going wider than 275. I wouldn't go wider than 285.

 

[MAGS1]

If I recall, the non-hp setup is 19x9.5 front and 19x10 rear? If so, you could do a 295/35 PS4S in the rear. 285 is ideal for 10” wide but 295 works. It’s a slightly shorter tire than the 275/40 tire you run in winter.

 

[ChitownStang]

Yes, front is 9.5” wide and rear 10”.
The 285/35 is not enough diameter for me so I have to go to 295/35.
Biggest question I have is it ok to have different brand summer tires front and rear and is 255 to 295 too much of a difference in stagger?
Eventually I’ll go 265 up front when needed.

 

[MAGS1]

I wouldn’t mix brands, the compounds and tread patterns are different and could lead to some unpredictability in a loss of traction scenario and in handling in general. 255 up front and 295 in the rear is probably starting to push it a bit, 265 or 275 up front would perform better with the 295’s in the rear.

 

[ChitownStang]

I wouldn’t mix brands, the compounds and tread patterns are different and could lead to some unpredictability in a loss of traction scenario and in handling in general. 255 up front and 295 in the rear is probably starting to push it a bit, 265 or 275 up front would perform better with the 295’s in the rear.

Makes sense about the stagger, may start to push and who knows how it would affect high speed maneuvers .
Different brands from front to back I still question the physics there, should be ok, at least when dry… lol

 

[shogun32]

Changing tire compound isn't going to help much if at all. You have to get them good and HOT and that requires driving in a manner to lose your license. You can get some new old stock supercar3r for $150 each if you wanna try 265/40/19.

 

[MAGS1]

Makes sense about the stagger, may start to push and who knows how it would affect high speed maneuvers .
Different brands from front to back I still question the physics there, should be ok, at least when dry… lol

LOL yeah in theory the compounds for summer tires will be similar across brands, to me it’s more tread patterns and how they behave on the street, especially with the shit pavement we have here in Chicagoland.

 

[Decible]

Mine is an HP car and I went with the Conti ecs 02 in 305/325 and I love them! Haven’t hit rain yet but so far so good!

 

[ChitownStang]

Changing tire compound isn't going to help much if at all. You have to get them good and HOT and that requires driving in a manner to lose your license. You can get some new old stock supercar3r for $150 each if you wanna try 265/40/19.

I do drive “in a manner to lose my license” most of the time. At 44 I may need to seek help for my need for speed… lol
I’m not looking to go crazy with slicks or changing tires all the time , just like to put down the power better because this Mach 1 tuned is pretty damn fast!

 

[ChitownStang]

LOL yeah in theory the compounds for summer tires will be similar across brands, to me it’s more tread patterns and how they behave on the street, especially with the shit pavement we have here in Chicagoland.

Dude, Chicagoland streets suck so bad.. I hit a patch of smooth pavement and it bliss! Lol

 

[MAGS1]

Dude, Chicagoland streets suck so bad.. I hit a patch of smooth pavement and it bliss! Lol

Right! I actively try to find newly repaved roads here in the western burbs just to remind myself of how awesome this car is when it’s not being shaken to death by the crap roads! (I exaggerate a bit but not really LOL)

 

[ChitownStang]

Mine is an HP car and I went with the Conti ecs 02 in 305/325 and I love them! Haven’t hit rain yet but so far so good!

Yeah, Conti tires are definitely my favorite these days.
I upgraded to DW sports from Nitto gT2’s on my 15gt and thought they were the perfect balance of grip and comfort for a non-track car.

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