I Tested So You Don’t Have To: Here is What I Found

Gran Turismo 7 doesn't do a very good job explaining things especially when it comes to which tires to use in different track conditions. I test all the tires in all the track conditions to determine which tires need to be used in which conditions once and for all.
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[@tinyman392]

I always assumed, for wet weather, under the first mark normal racing tires would be fine, between the marks, IMs would be optimal, and above the second mark wets would be optimal. But this was just an assumption. It’s nice that you tested this.

[@Doughtinator]

Yeah it’s quite sensible how they do it. But they never explain in game 🤷🏻‍♂️🤣

[@chriso1373]

Yea its one of those things that makes sense, but i never really thought about it.

[@BenDemytrk]

In all seriousness, I watch your videos religiously as you release them, and they’ve helped massively with my GT7 campaign. Thanks so much.

[@Doughtinator]

Awesome. Appreciate the support. Happy to hear I’m helping out. It’s why I do it 👍🏻👍🏻

[@TheSilverShadow17]

Picking the right tires is absolutely crucial for racing as those can massively alter vehicle handling, braking, etc

[@chuckcribbs3398]

Absolutely correct about intermediate tires! Turn up TCS to 5 also, and you’ll be fine.

[@Doughtinator]

Yeah. Solid choice no matter what.

[@nicemiller]

Hello, great video! A few comments, if I may. I have been experimenting with the big money races too and here is what I found: At Spa and Le Mans the rain mostly comes down in the second third of the race. At Le Mans I have seen the rain at the end of lap 2 and also 2-3 minutes into lap 3. I always use IM tires instead of W for the rest of the race and conserve them as much as possible by driving close to the guardrails and generally chosing wet parts of the track. The wet meter helps with that. If you keep driving on the dry parts the IMs won't last even 2 laps. For me it is mostly 3/2/2 laps, 3 on RHs and the rest on IMs. Second, full wet tires only seem to give you an advantage when the wet meter is in the upper third. That happens frequently at the big money race at Spa. However I have had good results with IMs as well since you don't need to immediately pit once the track dries up. You do need to brake earlier and pay more attention but the AI doesn't seem to like rain at all, so it's all good. One could simplify the tire issue by saying lower third of the wet meter, use slicks, middle third, use IMs, upper third, use Ws, as a rule of thumb. Third, maybe I'm just a bad driver who hasn't upgraded to a sim rig yet, but my experience with a drying track is this: change to RHs or any other slicks and get just one wheel on a wet part of the track, you'll end up in the kitty litter or slam into the guard rail. It works best for me to finish Le Mans and Spa on IMs. Again, great vid and thank you!

[@Doughtinator]

Thanks man. I think you’ve got a great handle on what tires are needed for each conditions 👍🏻 You’re especially correct on a track with a drying line. It’s something that I’ve been trying to find a way to test. On the racing line. Dry tires are what is needed. But the margin for error is so narrow and usually ends up with a big crash!

[@320iSTWEdition]

Your "Third" has nothing to do with a "sim rig" it will happen with that one just as much because physics. I'm getting around relatively well with my PS4 controller, having nearly reached a DR of B...... so you don't need a sim rig to play well. You only have to be able to use well what you have.

[@SterlingWheel]

I'm very glad you made this video. I've been playing wet tire selections totally by chance. You have confirmed what has worked best for me after many frustrating hours of practice.

[@Doughtinator]

Happy to help man 👍🏻

[@roelofkotze3773]

Would be great if you can throw sport tyres into the mix as well. Be interested to see. As they have grooves in

[@Doughtinator]

I’ll see if I can test 👍🏻

[@roelofkotze3773]

@@Doughtinator cheers!

[@pabo619]

I've tried that, accidentally. I had bought a car and started with sports, then upgraded to hards... I was running a dynamic weather race and realized I hadn't bought any wet weather tire, so I tried the old sports. They're better than slicks, but are pretty slippery in heavy wet conditions. They might suffice in place of intermediates, but I think they're slower overall.

[@dekeaustin]

Sports do work well in the rain. I run them on Tokyo Expressway 600 a lot.

[@retrop_n552]

I’ve found the soft sports and intermediates are pretty much identical on most cars

[@markpacker6951]

I worked out from racing in 24 hour lamans, those intermediates wear fast when the rain meter is below the first mark. The only time I've ever use wets is on the 1 hour spa race, simply because it can rain hard for 30 minutes of that race, then u can swap to intermediates to finish the race. Wet tyres are a waste of time on 24hour lamans simply because the track dries out too fast

[@Doughtinator]

Yeah that’s the problem. The track dries so fast!

[@markpacker6951]

@Doughtinator lol glade you could decipher my auto corrected mistake, dam Samsung phone! It's edited now

[@-BuddyGuy]

For campaign wet races at least its usually optimal to run hards, since you can max out the pp and you'll have to switch to inters anyway. The tyre wear is very significant because wets start to degrade quicker when you get to the track transitioning from wet to dry. The inters in the dry are not terribly slower than the hards, but the wets never get there because they obliterate themselves before the track loses all the accumulated water. This forces a pit stop where on inters you can just about stick it out until it's safe for hards. There are usually 2 laps max with full wet conditions in the SPA 1 hour for example. It's never worth going to full wets for those laps.

[@Doughtinator]

You’re right. It’s rare to get a money grind race which stays heavy wet for long enough.

[@IIGrayfoxII]

Problem is with slicks, you should be sliding with 1/3 of the track being wet, esp at low speed corners where downforce is non existent, yet you are cruising along like there is no water.

[@Doughtinator]

Yeah it feels like slicks work for too long 🤷🏻‍♂️

[@elbowsout6301]

Confession time. I have like 300 hours into this game and never noticed the "wetness meter". :P Thanks for the video.

[@Doughtinator]

Haha. Every day is a school day! 👍🏻👍🏻

[@elbowsout6301]

@@Doughtinator lol you bet. I paid special attention to it at le mans 700pp race yesterday. Makes a big difference having that knowledge.

[@wombleleaderracing6455]

Great video Chris...i do love some GT7 testing and i think your findings show the grip model is quite realistic in what tyres are best for which situations....theres definitely, as you know, some pretty deep complexity to the tyres in GT7.

[@Doughtinator]

Thanks womble. If only PD would give us sport mode races that used their superb weather system and tire types 🤷🏻‍♂️🤣

[@josephmatuszak3855]

Yeah, when it gets to 1 bar of rain or more on slicks, you MUST be in manual mode to short shift. And you even at that are limited at 1.1 bar to around 120mph in a Gr.4, and 1.5bar down to 80mph-ish tops. I've done a ton of rain driving in game, so gotten fairly solid at reading when to get what tires. And yeah, as soon as the bar is under 1, slicks are faster.

[@Doughtinator]

Yeah it’s definitely a skill 👍🏻👍🏻

[@SUBZERO8K]

Always love your experimentation videos like this. Good to have these sorts of things tested.

[@Doughtinator]

Thanks man 👍🏻

[@88johnbarnes]

I always use hard/intermediate tyres for rainy Le Mans money grind but great video and helps a lot. 🙌🏾🔥

[@Doughtinator]

Yeah I think that’s optimal for LeMans. Because then you can add power to the car for the long straights 👍🏻

[@degeautdfanfirst]

​@@Doughtinatorferrari 1967 one I use a lot

[@degeautdfanfirst]

Collected 390 cars so far 1 by 1 grind by grind happy paddy's day 🇮🇪🏁

[@Killerb0505]

Personally, I will drive on the wet parts in the straights to save tyres if I am still running IM or W tyres after the rain and drying up, or the radar shows it's going back to rain maybe in 2,3laps times to make my pit stops window wider. It does help, I have been doing it in Spa and Le Mans I guess it's like how racing drivers sometimes cool down their tyres, not sure, I am not a pro

[@Doughtinator]

Yeah I think that helps to extend tire life 👍🏻

[@MartinKusimo]

Excellently presented video. I don't think I have seen anyone else cover this before.

[@Doughtinator]

Thanks man. Appreciated 👍🏻👍🏻

[@GT7-wonky]

great GT7 race sim channel, nice to see an authentic reliable channel here. interesting topic, if you invite feedback on topics what about comparing certain cars on certain tracks where having (for example) RH on the front and RS on the back (or vice versa) for non-online formal racing (obviously not for world championships etc) to compare handling characteristics and the impact this does have (both better and worse depending of course on specific car, specific track, conditions, whether car is FR/FF/MR etc i remember the X-Bow on certain race tracks had a significant gain in handling in many weather conditions by doing this! i wanted to explore that myself further at some point but too busy with the current world championships manufacturers cup etc to do this... keep up the great work mate! Wonky-Weronika (australia) PS: i've been racing GT since inception in 1998, totally addicted.. my personal little youtube channel focuses mainly on racing hot laps on the Nurburgring Nordscheife track in classic vintage cars for comparisons. where are you located if i may ask mate? back to see more of your videos soon! 🏁🇦🇺

[@kylemartin1166]

Very glad that PD changed how the intermediate wets would hydroplane like you were racing on ice at anything over 130mph whenever the track's wetness meter would even barely tick over into the 3rd portion of the bar. That used to make the 1 hour spa race a pain. Not to mention how inaccurate the weather radar used to be too.

[@bakerfx4968]

Very cool comparison! Thanks for the video sir :)

[@Doughtinator]

Thanks man. Happy to help 👍🏻

[@OrangeSunshine15]

personally I hate both inter & wet tyres. my poor g29 feels like it's missing feedback & I don't get any confidence while using them, but in wet conditions, I always go with inters even if the rain meter is full, I just turn on tc and cs assistance + massive short shifting - I feel they provide same grip but are faster. maybe on direct drive wheel people might be able to note a bigger difference.

[@Doughtinator]

Yeah. I think when grinding against AI the safety of inters vs losing a few seconds a lap if it’s not perfect conditions is probably still worth inters. 👍🏻

[@andsoitwas3046]

This was a very detailed test and it showed me that Racing tires are not to be underestimated even in some wet conditions.

[@joha_6]

Awesome video, thank you!

[@Doughtinator]

Happy to help 👍🏻

[@CrazyCat229]

Thanks for making these videos. I have learned a lot.

[@Doughtinator]

Happy to help 👍🏻

[@mnmn1665]

Excellent test. I do think that PD should make the IM's more durable in the dry.

[@Doughtinator]

Yeah that would make the difference bigger.

[@lukedawg2787]

I honestly think it depends on what the weather is going to do, how long the lap times are, and the car you are using. The top money maker in 60 mins is Le Mans in the World Touring Cup 700. You can run 2 of these in an hour and with a clean race bonus on each, earn more than the 60 min race with a clean race bonus. Sardenga is easier to do, you can typically complete it 5 mins quicker, and has no rain. However, you are still only doing 2 of these in an hour and will be a couple hundred thousand less in rewards in the same timeframe. Problem with the WTC 700 is the rain pattern and frequency is very inconsistent and the lap times are over 4 mins. If you put the wrong tires on you are either burning them up in 1 lap or your car is all over the place. Intermediates are typically your best choice not just because of how they perform in the wet but because often times it may only rain on one part of the track leaving the other parts dry or it may only briefly rain and a dry line starts to appear shortly after. If you put wets on, you’ll burn them up before you can pit again and the handling with wets is atrocious. Flip side, you may also get heavy rain for 2 laps an Intermediates will slow you down in heavy rain. For that race specifically, it will typically start raining around lap 3. On average, the rain isn’t heavy, so watch your weather radar, if rain starts rolling in, pit at the end of lap 3, swap to intermediates, and pray the track stays a little wet for the rest of the race. If not, you’ll have to pit again and put racing slicks back on. On any other track I’d say it depends purely on how heavy it rains. In heavy rain, wets outperform intermediates. If on a smaller track, you can pit more often to adjust to the track condition. Not the case on WTC 700

[@Doughtinator]

Yes I agree. Predicting the weather is more critical than choosing the correct wet weather tire type. 👍🏻

[@TheSilverShadow17]

Tokyo practically surpasses Le Mans on the payout per hour scale as it goes up to nearly 2 million every 60 minutes.

[@lukedawg2787]

@@TheSilverShadow17that’s why I just run the Honda Beat for 30 laps at Daytona against Tomahawks when I’m just grinding creds. Clean race is 639k and can be done at almost 20 mins. Can always knock a couple of laps off to hit 30 mins but payout slightly lower. Oh and bonus if you change steering to motion sense on the controller, rubberband the right trigger, and prop up the controller on a magazine you can walk away and come back 30 mins later. I run my Honda Beat AFK on this track all day while I’m working from home. Come back every 30 mins, click a few buttons and run it again.

[@TheSilverShadow17]

@@lukedawg2787 Daytona is a very efficient money method I'll say. A little repetitive but at least the payout is good.

[@Cusers]

remember when console cost 299$ and gt disk cost 39$ with only dualshock i watch your video to learn about gt7 but i dont have 1000$ to put in game this is the cost off my summer tire 225 40 18 for my corolla hatch anyway good video to learn about the game

[@Doughtinator]

I remember! Everything is just so expensive right now 😳

[@Mattsretiring]

Nice video. Doing the lord's work. Any chance you can repeat the process across compounds and race vs sports tyres?

[@Doughtinator]

Thanks man. I’ll add it to the list 👍🏻

[@VivariumSnake]

Great video as always good sir. But I noticed you sound a little under the weather bro might I suggest some citrus fruit or even some lemon 🍋 and tea with honey. Anytime I get sick vitamin c is always my go to or anything with zinc, cheers mate hope you get well soon.

[@Doughtinator]

Thanks man. Yeah I’ve been really unwell for a few weeks now. Thanks for the tips. Appreciated 👍🏻👍🏻

[@degeautdfanfirst]

​@Doughtinator get well soon 🇮🇪💪😊

[@TheFalconerNZ]

I would have loved to see the time difference when the meter was just below the top mark (Full Wets mark). It is good to see that IM's in the full wet zone is slower but unless it is in the full wet zone I use IM thinking that just under the full wets mark IM's would be faster

[@Doughtinator]

Yeah it’s hard to get track conditions to a specific point. But through other driving and testing I think IMs would work well up to the point of dark blue and standing water 👍🏻

[@TheFalconerNZ]

@@Doughtinator When I re-read my comment I realised it didn't say what I meant but I see you understood, What I tried to say was 'when the meter goes into the full wet zone only for a short time'

[@Rampant_Mongoose]

great job bro

[@Doughtinator]

Thanks man 👍🏻👍🏻

[@kanetidus]

only watch his, because I'm bored, but I always use intermediate wet, so I can still have some grip and I still use them even for longer after the rain stops. But if the track it's more than 85% wet, then the grip not gonna work the same like the normal wet tires

[@transitionfpv6707]

You have a weather radar BEFORE you start the race is on the left down corner😊

[@Doughtinator]

Yes that’s a good tip. It was added after the game was released 👍🏻

[@notoriousMrP]

Brilliant video for information. I was wondering Iv heard people bleating on about “cold tyres” when they put stop etc but surely there is no info on this on screen to tell us if cold tyres do make a difference. I would say no (unlike ACC) but what’s ur view ? Also when coming out a sand trap , does it affect grip ?

[@Doughtinator]

It is actually a thing. I made a video about it using a 3rd party phone app to pull tire temp data. kzbin.info/www/bejne/eJqXZKGEpMSWqdk

[@notoriousMrP]

Just watched it . I’m gobsmacked it’s that complex and tbh I’m glad it is as it puts it on par with ACC . I will eat humble pie now when mates bleat on about it and that other internet sensation Rory . Keep up the good work

[@yuheung8242]

Please also test with Sport Soft in wet. Thanks

[@shanenaidu3264]

Have you tried the sport tires? I use them at the nurburgring race . Seems to work in the rain due to their treads as well

[@Doughtinator]

I need to test these 👍🏻

[@degeautdfanfirst]

Tested it already last 3 years but wanted hear what You Found

[@johnm3907]

Havent had rain in months on daily races

[@Doughtinator]

Sadly this is true…

[@dand1585]

Do you think the grip and wear change like a light switch between the parts of the wetness meter? Do the IMs wear out super fast if it’s right below the line but don’t wear much at all if the meter is just over the line into the middle third?

[@pabo619]

As realistic as most of GT is, there is probably some progression between zones

[@Tyraendiel]

Find wet lines on the track, you can cool the IM and W tires with them. It will wear less, can use them longer and switch later to slicks with safer conditions (dryer kirbs).

[@Doughtinator]

Yeah I think it’s a progressive scale. The scale is also very dynamic when the weather is set to be more normal and not fixed weather as I was testing. The wetness changes through the whole track.

[@KainsTorment]

My problem is when it rains very hard I assume Wet Tyres are a must however IM Tyres are fine so can you tell rain wise how it feels what tyre you actually need to use?

[@Doughtinator]

The safe thing to do is go IM every time. But if you see heavy rain. Try wets. It’s never going to be a terrible mistake when it’s raining.

[@kotmurkot4962]

Interesting, I had to idea that you need anything except Racing Soft for dry weather and Wet for uhm wet?

[@Doughtinator]

Yeah but most often. Intermediates work great 👍🏻👍🏻

[@user-jz4sy2wn2c]

I always use soft medium

[@Doughtinator]

Even in wet?

[@eesarafiq5341]

ty

[@Doughtinator]

👍🏻👍🏻

[@masterob1e979]

Go Lamborghini Vgt and wet it’s fun for all family

[@kyubipl]

is there b-spec mode in gt7?

[@Doughtinator]

Afraid there isn’t. It would be nice if there would be.

[@kyubipl]

@@Doughtinator but there is autodrive?

[@gabrielegiannone5435]

Thank you for the work you've put into this video, it is very helpful indeed, i have 2 questions following: 1) If the track is drying out but only in the racing line path and the indicator is about in the 1st third, is it worth risking with the slicks or with the inters? 2) Does the wet racing line exist in gt7? Could you carry out a test for that? Because i think it'll be very helpful

[@Doughtinator]

some great questions. when the track has a dry line it can be VERY dangerous on dry tires if you have to go off line. its MUCH safer to stay on an IM tire as long as you can. its not the fastest, but its certainly the safest! it does! a friend of the channel tested this very recently, this video is worth a watch: kzbin.info/www/bejne/o4Kzd4hqqtqVp9Usi=PAJHu0DL7m68Yd6k

[@user-qk8hj5ut1i]

Does downforce affect tyre wear?

[@Doughtinator]

Typically anything that slides tires increases tire wear. So in theory. More downforce means less sliding and less tire wear.

[@user-qk8hj5ut1i]

@@Doughtinator but downforce is like weight on the car and a heavier car will burn tyres quicker right?

[@Doughtinator]

@user-qk8hj5ut1i it’s only heavier because of downforce. It’s not heavier because of weight which is the thing that kills tires in corners.

[@Doughtinator]

@user-qk8hj5ut1i but it’s something I might test. It’s very interesting subject 👍🏻

[@user-qk8hj5ut1i]

@@Doughtinator okay cool. Thanks for replying👍

[@Burntoilcoffee]

the only usefull comp would be IM, W, and soft, testing medium tires is pointless

[@Doughtinator]

I use medium or hard tires much more than I use softs.

[@BenDemytrk]

First!🎉

[@BenDemytrk]

First🎉

[@rookietoprobuildz]

Appreciate the comparison 🛞 very useful information

[@Doughtinator]

Happy to help man 👍🏻👍🏻