I just finished an A class open lobby race and there was a guy driving a Porsche 911 gt1 strassenversion '97 with sport tire. After the race, I spent 10 minutes playing with the tune but I could not find a single way to put this 911 GT1 97 car in A class when equipped with sport tire…
I thought okay, maybe it’s a Forza bug and that guy was actually doing stock tire. Then I managed to downgrade this 911 GT1 97 car to A class using stock tire (there isn’t much options though, you have to go the second heaviest ballast to make the car to A class…). Then I tried it and the A class 911 GT1 97 car was absolutely garbage, which is not surprising at all, as it is extremely heavy and low power with A class tune. I ended up with getting ~1:54.5 lap time on Catalunya grand prix with sunny weather, where in a good A class car with medium race tire I get 1:51 to 1:52 lap time. That guy in the online A class lobby though, consistently lapped around 1:50.500 on the same track also with sunny weather. I am 100% about his lap time because I followed him 3 laps and I was doing 1:51.500 lap time in that race but he gapped me 1 second per lap… I do not think I am an extremely slow driver, as I can rank ~top 100 in A class rivals on Catalunya grand prix. It is normal that top drivers get 2 seconds faster than me there in a good A class car, but I just cannot imagine how that guy drives so fast in the poor A class Porsche GT1 97 car…
I am just so confused… is it cheating or did that guy just used a secret amazing A class Porsche GT1 97 tune? Anyone has any idea?
Are you sure he had race tires? Lowest i can get is S705
He had sport tires. I couldn’t get to A class with sport tires. I am not sure how he did it… The only way I managed to make the car A class was to use stock tires, but the car became garbage to drive…
He qualified before the race and started 1st, so basically during the whole 1 minutes race start count down his car and tire choice were shown on the screen. That’s how I remembered his 911 GT1 97 car with sport tire…
dont mean to intrude here but how did you post this topic? i cant find the option anywhere
It has since been patched, but there was a glitch where you could remove turbo’s from engine swaps to drop the HP and P.I. some people still have those glitched builds from before it was patched.
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This makes a lot of sense. The A class 911 GT1 97 guy I met had 2000+ driver levels (“2” next to the 3-digit number), so probably the guy has a pre-patched tune… Also, it may explain why his car was so fast as natural aspirated is usually much faster than turbo cars in Forza…
Did you get a screenshot or remember his username? We could always ask him politely to reveal his secret 
I wish I did… The issue was that I did not know A class 911 GT1 97 with sport tire was impossible when I was in that race… I only thought it was interesting as it was the 1st time I saw that car in A class lobbies. Then after the race, I played tuning for 10 minutes and realized that it was impossible to achieve… I only remember that the guys username starts with “Ren” and he was 2000+ level…
I think someone already posted the most likely explanation here: there was a glitch allowing you to remove turbo from a turbo charged engine to significantly reduce PI number. The A class 911 GT1 97 guy probably made a 700 PI sport tire tune with turbo removed before the glitch was patched. He saved the tune so he is still able to use it in the game. Now the glitch is patched so there is no way to make sport tire 911 GT1 97 to A class…
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Have you tried putting weight on it? And maybe drift tires?
@Rasta_Wookie_05 is correct. That’s precisely what I did when it was still possible.
Cayman 718 swap and de-aspirated.
Spec looks like this:
As you can see it has extremely low power but by far the highest mechanical grip at A700.
I normally use it very rarely but with the new meta car (Chevron) it’s the only car that can rival it on certain tracks.
I just kept it for that Catalunya lobby we met. I thought your name sounded familiar.
There are more hilarious builds (I have a B600 Bugatti Chiron for example. I know one player that has a C500 Radical RXC) but most of them aren’t good.
And just to be clear: We “glitched” the upgrade menu but not the PI system. The rules of it still apply to all of these builds.
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That’s my paint on that car 
How good is the Chevron in A? It’s a Tour car so would be a grind to get, but if it’s not significantly faster than an Exocet I won’t bother (as I do not like having unsellable cars in my garage).
This is how it worked back in the day. The only reason it wasn’t abused more often is that a level 50 car was required and getting to max level took several hours. The only thing I don’t get is why does it drop your PI when you add a turbo to an engine that usually can’t have a turbo? @Rayne_SE
Yep! But like all liveries it became matte-ish after one of the newer updates.
It’s very strong in B & A. Not in Rivals because like the Ferrari F1 the mandatory 100% fuel load absolutely destroys it.
But online it can be run conistently at 5-7% fuel and it has modern Supercar levels of grip at A700. With sport tires it has as much grip as a full weight reduction '17 Ford GT with sport tires. Completely unnecessary and unrealistic.
Does 1:36s race pace on Maple at B600. There are countless A700 that can’t even do that.
Does low 1:57s race pace at Mugello at A700.
I had TCA KATSU with it yesterday in a Mugello lobby. You know how good he is (unfortunately he is a meta spammer). ATR TITAN who is faster than me & KATSU did a 1:56 with a meta R350 widebody on softs in qualifying and he got decimated by KATSU during the race with the Chevron. I only won because my 911 GT1 wiped the floor with both.
The Chevron beat my best A700 sport tires time on the Nordschleife by 4.5 seconds. I hope it’ll get nerfed into the ground.
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What sort of times can it get at Catalunya National? That’s my test track for general purpose cars.
Would need to tune & test for the track first.
But you should get it anyways. Due to sports tires it’s far more flexible than the Exocet.
This was a thing? As far as I knew it only removed the aspiration (turbo, supercharger) from engines that had a forced one. And it didn’t remove it like adding an aspiration works. It didn’t remove the weight neither did it change the power graph. It just removed x amount of bhp.
The intercooler for example is still there but only adds weight.
Since every car pre patch 1 needed to be level 50 (after patch 2 level 25) and it was patched with patch 3 it was a run against time. I managed around 24 cars I think (and lost two already that got reverted to stock).
And we also didn’t know which cars have which engine swaps. I leveled 3 cars to 50 to realise they can’t do it.
With the countless aspirated stock engines I’m sure some meta-pace builds never saw the light of day.
Are race tyre builds any good?
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Judging by my own tests and the builds the fast guys use I would say race tires is overkill for online. It has more than enough grip with sports. Better invest in more power.
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would you mind watching the first 2 minutes of the video? he talks about adding a turbo to an engine that usually can’t have one. or just jump to 1:20
I see what you mean. Bad phrasing by DJS if I may say so.
The example engine of the Valhalla already has a turbo. He didn’t “give” it a turbo.
The glitch worked because back then there was a delay in the menu in the swap sections.
Thus, by installing a turbo on a NA engine and then quickly installing the aspirated engine the menu glitched and the aspirated engine had the turbo option. Then you could remove the turbo which then removed the stock turbo.
It never added the turbo to the stock engine.
That’s why there were such crazy builds. On the Bugattis the stock turbo made 3/4 of the power. Take it away and you had a C class Chiron.
I have a D500 Lotus Evora and a C600 Vuhl for this exact reason. The engines lost nearly all their power. On other stock engines it did nearly nothing.
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