Friday, March 5, 2021

Big NSR Decision

 Since picking up the Lola I have been spending a lot of time running cars in pairs. It's easy: I have my cars in stackable locking sandwich boxes, so when I need to go up 3 flights of stairs to race, I can take one of the boxes instead of the entire collection. So I've been doing that a lot, and running NSR cars against Thunderslot cars. And since getting the Lola I've been a little let down by the performance of the NSR cars in general. 

Porsche 917K: Lucky Strike, Gulf, Rothmans.

When I decided to go with urethane tires, I did it all the way across the board, except for two cars; the Thunderslots. The Ortmanns that are suggested for the cars don't fit. They're a little wide. So they're running on their factory rubber. Well, I was mostly concerned about the Slot.its when it came to urethanes, but thought it would be fair for everyone to run them. Well, now I feel like I might be handicapping the NSR cars. I think the factory rubber has better grip than the urethanes do. I should look into the Slot.it rubbers. They have some alternatives that I'll bet would improve things. I not against running rubber. 

So I just spent the last few minutes changing the NSRs back to factory rubber. Three 917Ks and two 908/3s. I'm going to run some laps, get the tires going on each and then do a 10-lap run. I like that format for general timing, especially when it's cold and I need to go through so many cars. Since I'm doing all tuning downstairs and then running up to test results, I end up going a lot slower than I would like. Once I move I'll be able to dedicate more time to it. 


I don't know what this will do to do Slot.its and whether they'll still be competitive. I think they will, and I'm going to leave the urethanes on them. There's lots of change coming up, so why not just stir things up a little bit?

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