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Wakefield: First time on semi slicks

So the run down.. with the Nankang AR-1's I was expecting to jump down a second or two from what everyones told me semis do. 1st/2nd sessions I was at 1.12.7's, couldn't seem to budge past, car felt very good though, probably the best it has ever felt on track. 3rd session I was down to a 1.12.3 and still confused, doing what I usually do however I'd usually already be back at 1.11.0 mark.

Gave the car to John Boston (Wakefield pro driver) who took it for a spin, told him the confusion I had. He went hard, and could only manage a 1.10.3 (my PB on RS3's was 1.10.8 ). He then thought maybe the overall diametre of the Nankang was greater than the RS3 which was ruining my gearing. After a google search it should the two are pretty much the same, he then wasn't really sure the reasoning. He commented the car was set up very well, handles awesome, brakes awesome and grips awesome, however still confused on this timing..

With this I'm also confused, so I guess its back to the drawing board to figure whats happening.. Tyres are awesome, very grippy, got maybe 5 laps and then after they felt like they were possibly getting a lil too hot, or the session had already ended... I finish with a 1.11.03 for the day.. I don't plan to change anything apart from alignment settings. Until next time

""Going to check spring rates, different camber settings and one or two different lines""

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Here are the time sheets from the Natsoft timing website of the day, some fast cars out there, 2 Audis at the top of the board were very fast, few corners I was able to stick with them but when there was any resemblance of a straight they'd just leave me on the spot. So the final time for me (William Mitchell [Position 10]) of a 1.10.3890 was set by the Track Pro who teachers there, my faster time for the day was the final lap recorded, a 1.11.0368 (PB = 1.10.80), you can see that time at the end of the photo below.

Been discussing with a few people since that day of possibilities to why it was so hard to get a good lap time, and smash my PB with semis. Some reckon the Nankang AR-1 arn't a 'true' R compond semi, possibly too grippy, possibly too heavy as well. I got an alignment a week before the day, and had to raise the car a total of 20mm at the rear to try and stop the scrubbing, which still occured at the track here and there, that possibly could have put the rear alignment out, whether that would affect the times that much, not sure.

I'll have to upload a photo, but I was scrubbing say 1/4 the way down the side wall of the tyre, when the pro drove it we noticed he managed to scrub about 1/2 way down the side wall, and theres already a knuckle gap between top of the tyre and the wheel arch. We feel there shouldn't be that much travel, so blown coilover/incorrect spring rates could possibly be a area to look into.

I was going to look into getting them rebuilt, however I've had an idea since that I could buy a new set of 'track' spec coilovers, and move these GAB SS over to my RT4WD Wagon I'm building as I'd be needing to buy some for that as well.

A friend in Melbourne has a EK4, stock B16, suspension work and a built gearbox with a shorter 3rd, 4th, 5th and 4.4FD, he runs low 1.10s at this track with the Advan A050, so possibly building a gearbox could be an option, however I don't want to go down that path yet. Another friend on Instagram with a B18C7 CRX managed high 1.08's with stock motor and gearbox, and thats where I want to get to before any motor or gearbox work.

1:33.9752 1:15.4364 1:12.7054 1:13.6494 :**.*** 1:35.9172 1:19.7243 1:12.3271 1:27.1465 1:32.5921 10 1:12.6760 :**.*** 1:49.5365 1:34.7496 1:25.3822 1:12.8546 1:11.6128 1:11.7092 1:11.7322 :**.*** 20 1:10.8559 1:10.3890 1:23.1786 :**.*** 1:24.6989 1:12.2914 4:08.5236 1:23.5375 1:11.4338 1:11.0368

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