Tire Recommendations | Page 4 | FerrariChat

Tire Recommendations

Discussion in '308/328' started by Sledge4.2, Jul 13, 2010.

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  1. Du_Man

    Du_Man Formula Junior
    Silver Subscribed

    Apr 23, 2003
    320
    Dallas, Texas
    Full Name:
    Derek
    thank you for that explanation - I bought the 16" wheels from Superformance (I have a set of custom 17" that came with the car - too big for my liking). Looking forward to getting a set of P7 tires.
     
    RodC328gts likes this.
  2. vaccarella

    vaccarella Formula 3

    Apr 16, 2011
    2,291
    Full Name:
    Paul
    For stock wheel 308 owners, (205/70 R 14), is anyone running the Cinturato CN36? I'd love to hear comparisons with the XWX. Dunlop Sport Classic is another option that looks an interesting alternative to the Michelins. Any real life road user comments welcome :)
     
  3. RodC328gts

    RodC328gts Formula Junior

    Aug 17, 2021
    458
    Mexico
    Full Name:
    Rod C
    I recommend you go for the OEM size set of the 328: 205/55/16F & 225/60/16R these tires have the same diameter. just the Rears are little bit wider.
     
  4. ProvaMo

    ProvaMo Formula Junior

    Jun 29, 2004
    353
    Mid West
    Full Name:
    Paul John
    #79 ProvaMo, Sep 25, 2021
    Last edited: Sep 25, 2021
    With all due respect, this is an incorrect statement for two reasons:

    1- The correct OEM rear for 3x8 with 16 inch wheels is a 225/50-16 tire
    2- The rear size referenced of 225/60-16 is a larger diameter tire. It's the same width of 225mm but it's overall diameter is too/1.7" taller (at 26.6 inches) vs. as the correct 225/50-16 tire with a diameter of 24.9 inches

    I would recommend the OEM sizes of 205/55-16 front and 225/50-16 rear. For more a more aggressive stance, consider 225/50-16 front and 245/45-16 rear. This is what tire places call a "+0" fitment: Wider tires without changing the overall tire diameter. Like discussed above, a 205/55-16 front with 245/45-16 rear would be an option as well from a visual standpoint, unsure of handling.
     
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  5. RodC328gts

    RodC328gts Formula Junior

    Aug 17, 2021
    458
    Mexico
    Full Name:
    Rod C

    Im sorry. It was a finger mistake and I didn't revise my post. I will correct my post to avoid confusions. thank you

    PS: I cant edit my post. Sorry again
     
    Du_Man likes this.
  6. ProvaMo

    ProvaMo Formula Junior

    Jun 29, 2004
    353
    Mid West
    Full Name:
    Paul John
    Thanks @RodC328gts!
    On a related thought, if I were to buy a set of 16" 3x8 tires today, and I didn't want to spend x2 for the Pirelli Cinturato P7 Collezione, but wanted a great value tire, I'd seriously consider the Continental ExtremeContact Sports (link to TireRack, no affiliation or endorsement intended)
     
    RodC328gts likes this.
  7. RodC328gts

    RodC328gts Formula Junior

    Aug 17, 2021
    458
    Mexico
    Full Name:
    Rod C
    Those tires where the first ones I considered. That's until you guys ruined everything with the P7 pictures.
     
  8. waymar

    waymar Formula 3

    Sep 2, 2008
    1,354
    Northeast, PA - USA
    Full Name:
    Wayne Martin
    Thoughts on running 225/50/16 on both front and rear with Superformance rims 7front 8rear … metric rims run 220/55-390 on all 4 corners.
     
  9. Brian A

    Brian A F1 Rookie

    Dec 21, 2012
    3,153
    SanFrancisco BayArea
    Full Name:
    1983 US 308 GTS QV
    Geez you guys!!!! I bought tires a couple of weeks ago for my 308 and bought 205/225 widths because I have been unable to find confirmation that the 225/245 widths actually fit the car. Now I know they do. Harrumph.

    Having said that, I am again having my doubts. There is plenty of grip using 205/225 widths. I ran the car at the Virginia City Hill Climb last weekend and kind of question whether more grip from tire width might overly stress the structure of car. On the other hand, no one goes anywhere near 10/10ths at a hill climb (or at least I don't). The car felt wonderful.

    Regarding the question using 205 width in all four corners, the rear tires are already handling a disproportionate share of the load. A 308 has 43% of its weight in the front and 57% in the rear. With 205s and 225s, 47% of the total tire width is on the front wheels and only 53% on the rear. There is an awful lot more to tuning suspension than tire widths, but the percentages show that the rear tires are already doing a lot of work with stock 205/225 widths.
     
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  10. ProvaMo

    ProvaMo Formula Junior

    Jun 29, 2004
    353
    Mid West
    Full Name:
    Paul John
    Obviously the early 308s run square 205/70-14 with the same wheel sizes all around.

    An interesting thought regarding staggered wheels with same size tires front and rear... similar to what Ferrari did OEM on the injected Boxers/BBi from 1981-1984. The wheels were staggered 415mm diameter TRX with 180mm wide fronts and 210mm wide rears (approximately 7" and 8.25" wide). The interesting part was OEM tire fitment were Michelin TRX 240/55 VR 415's on all four corners. 30 years ago it didn't make sense to me, so when I needed tires for my 1983 BBi, I went with OEM 240/55 VR 415's on the front, but with wider (but close overall diameter) 280/45 VR 415's on the rear. I thought it fit the Boxer body proportions nicely.

    Let us know if you end up going down that path, it would be interesting to see pics of the end result!
     
    waymar likes this.
  11. ProvaMo

    ProvaMo Formula Junior

    Jun 29, 2004
    353
    Mid West
    Full Name:
    Paul John
    #86 ProvaMo, Sep 27, 2021
    Last edited: Sep 27, 2021
    That's a great story...running the Virginia City Hill Climb! What 205/225 tires did you run? I admittedly bought the Pirelli Cinturato P7 Collezione for period-correct aesthetics, coupled with a wider/more aggressive stance. That said, they are a WORLD of difference (WRT ride, handling, brakes and looks) compared to the tires I took off (Goodrich g-Force Sport comp2 in 205/225... any takers for an "almost new" set? haha, I like you guys too much for that!)
    v/r Paul
     
  12. Brian A

    Brian A F1 Rookie

    Dec 21, 2012
    3,153
    SanFrancisco BayArea
    Full Name:
    1983 US 308 GTS QV
    My Bridgestone RE-11s (UTQG 180) were down to wear bars and at their “best before” date so I needed new tires before the hill climb. I put 705 hard miles on the car to, at, and from the hill climb. Winding roads the whole time.

    In the supply chain challenged world which we currently live, I bought the best tires that were available on Tire Rack the day I shopped. Living in a dry warm climate, I select based on ratings of dry road performance, road noise, “would you recommend” rating and price.

    I promised myself I would buy Pirellis or Michelins this time around, but only Pirelli P Zero Rossas were available but were not rated. I like ratings. (The Pirelli P7 tribute tires were also available but they were unrated and I was suspicious of their tread pattern anyway) (glad to hear everyone is liking them). Pirelli and Michelin tires are usually considerably lighter than the rest of the pack and light tires always feel great.

    In the end, I bought Continental ExtremeContact Sport tires (UTQG 340). I am surprised how much I like them. Despite them being lower grip tires than my RE-11s, I think I am actually faster driving with them. They make a lot of noise as they approach their limit which really gives me confidence. The RE-11s made noise, but not like the Continentals. (On a different car, I once had Kumho Ecsta XSs (UTQG 180) which I hated because they would go greasy and slide without making any noise at all.) The Continentals are also beautifully smooth when cruising; much "softer" ride than the Bridgestones.

    Sorry to hear you find the BFGoodrich G-Force Sport Comp-2 tires so bad. They have good dry grip but their “Would you recommend” score is low-ish, comfort ratings are poor and the tires weigh a ton.

    Thank you for asking. You gave me an opportunity to blather away when I would otherwise be nodding off on the couch. :D
     
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  13. ProvaMo

    ProvaMo Formula Junior

    Jun 29, 2004
    353
    Mid West
    Full Name:
    Paul John
    Brian- thanks back to you, the low weight of the Pirelli’s got me started down the path, and like you, I initially focused on the P zero Rossa’s.

    You bring up a thought, the overly harsh ride of the Goodrich Comp2’s may have been exasperated their adding to high unsprung weight…. My dry traction (especially under hard braking) was meh at best.

    Also interesting you mentioned the P7 Tribute tread pattern: I emailed a car buddy a picture of the new P7 Tributes on my refinished Cromodoras and said “look at these!” He replied with “why did you buy snow tires for the GTB?” Suffice it to say, they do not look like snow tires “in the flesh.”
    v/r Paul
     
  14. kiwiokie

    kiwiokie Formula 3

    Aug 19, 2013
    1,539
    Tulsa, OK
    Full Name:
    John McDermott
    The P7 Tributes appear to have the tread block cut into the shoulder of the tire and then some which makes them look odd when viewed from the side. I don’t recall the original P7s having this design?


    Sent from my iPhone using FerrariChat
     
  15. Rosey

    Rosey F1 Rookie

    Nov 5, 2015
    3,829
    Australia
    Full Name:
    Mark R
    No, same as on the originals as well.
     

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  16. waymar

    waymar Formula 3

    Sep 2, 2008
    1,354
    Northeast, PA - USA
    Full Name:
    Wayne Martin
    Time for tires. Have SF wheels 7”fr-8”rr. Went with 225/50-16 on all 4 corners. No rubbing in the skirts. Comfortable stable ride less lean maybe because section width from 205/55 to 225/50. I set alignment at all 4 corners n0.75 to n1.00 Camber with 1-2mm toe. Also removed SF springs and refit OEM springs. Set Koni shocks at 1/2 turn. I might try 1 turn.
     

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