225 Rival S or 245 VR1 (autox) - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 07-13-2016, 09:23 PM   #21
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racelogic stopped selling traction control units?
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Old 07-13-2016, 09:28 PM   #22
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racelogic stopped selling traction control units?
Yep, can only get it used.
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Old 07-13-2016, 10:51 PM   #23
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Not disagreeing with previous posts, but wasn't the GRM test on a ~2min track not autocross? Be curious to see an autocross specific comparison...
They did autocross the following issue on a STR NB Miata
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Old 07-14-2016, 02:39 AM   #24
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Yep, can only get it used.
Yeah, glad I managed to snag mine right before it went out of production. Fortunately, they are still selling replacement parts for it as well.

--Ian
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Old 07-14-2016, 10:35 AM   #25
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Its not that great for turning stuff. Only has 2 wheel speed inputs. I have it all hooked up but have yet to tune it.

I need more power. Or less traction.
That's kind of a bummer to hear, what logic are you using?

ProSolo does have a "drag" style launch start lol
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Old 07-14-2016, 10:42 AM   #26
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That's kind of a bummer to hear, what logic are you using?

ProSolo does have a "drag" style launch start lol
Front and rear abs sensors. Cut power if over a slip threshold.
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Old 07-18-2016, 07:54 PM   #27
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Front and rear abs sensors. Cut power if over a slip threshold.
Doesnt work for turning. You need a different slip rate depending on the turn radius. I can launch fine, only getting 3 shots to nail powering out of 40+ corners in a single run makes it worth it. Same way having to brake at most 10 times makes abs worth it.
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Old 07-18-2016, 07:55 PM   #28
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Its not that great for turning stuff. Only has 2 wheel speed inputs. I have it all hooked up but have yet to tune it.

I need more power. Or less traction.
Quote:
Originally Posted by aidandj View Post
Front and rear abs sensors. Cut power if over a slip threshold.
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Originally Posted by Leafy View Post
Doesnt work for turning. You need a different slip rate depending on the turn radius. I can launch fine, only getting 3 shots to nail powering out of 40+ corners in a single run makes it worth it. Same way having to brake at most 10 times makes abs worth it.
Yes. Hence my first post.
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Old 07-29-2016, 11:08 PM   #29
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I cannot give a good comparison between the 2 tires but that being said I have a 225hp NB that I autocross(8-10 events this year so far) and have been running the 245 vr1 on 9" wheel. Overall I've been very happy with the grip level that I have and the tires have been wearing well. And going from a 110hp na to a 225hp nb wasn't as much as a handful as I was anticipating it to be.
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Old 08-01-2016, 12:10 PM   #30
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I was trying to hold out for he next issue of GRM to see how the VR1 did in autox, I'm sure we can safely assume the Rivals dominated once again. Ultimately it came down to price, free shipping and scca discount was too good to pass up.
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Old 08-01-2016, 12:26 PM   #31
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^ that issue has been out for like a month. The VR1 actually was much closer to the rivals in autocross, where the added width made up for the tire compound.
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Old 08-01-2016, 12:38 PM   #32
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Really? I haven't received my July issue yet :(
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Old 08-02-2016, 12:52 PM   #33
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Really? I haven't received my July issue yet :(
Yeah received mine a few weeks ago. Does your mailman own a Miata?
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Old 08-02-2016, 01:17 PM   #34
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Follow the advice here and practice. I've been running an MSM with similar power since 2009 (started in STU; now in XP) and while it can be handful, it's super nimble once you get used to it.

BTW, I love R-S3 and Z214 from Hankook. Maxxis slick is great at the track, but haven't tried it at autox.
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