if I go with the BEGi s2, what else do I need to worry about on the track? - Miata Turbo Forum - Boost cars, acquire cats.

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Old 03-05-2007, 12:42 PM   #1
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Default if I go with the BEGi s2, what else do I need to worry about on the track?

Lets say I go with this and say we hit 230whp on a 1.8 with a torsen rear and 1.8 brakes. What else do I need to anticipate for my car to be reliable on the track? I also have the bigger "automatic" radiator in the car. I think dropping back to the 230whp kit (2554) will make the car much more mechanically reliable. I want to be able to drive the car for everything its worth, and be sure I'm going to make it home from the track.
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Old 03-05-2007, 12:45 PM   #2
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I'd look into an oil cooler and coolant reroute. Maybe also duel feed your fuel rail. Just some small things to optimize cooling across the board.
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Old 03-05-2007, 12:49 PM   #3
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I'd look into an oil cooler and coolant reroute. Maybe also duel feed your fuel rail. Just some small things to optimize cooling across the board.
the kit comes with a re-route (why would anyone buy the fm kit?). Where can I get a t-stat'd flange for the oil cooler, aside from FM? I don't plan on doing too many track days in the TX heat...but we do have an event scheduled for june. 110* heat scares me.

Does anyone think the 1.8 or the 01 sport brakes can take 230whp on hawk blues?
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Old 03-05-2007, 01:02 PM   #4
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you're fine with those brakes and blues.

with the turbo, id worry most about heat management, safety, & comfort, the rest of the car should prove solid, minus the clutch.
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Old 03-05-2007, 01:15 PM   #5
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you're fine with those brakes and blues.
I have 1.6 brakes at 96whp with motul 600 and hp+ now. I had fade one time, in one corner at a track event...I can't imagine dealing with fade on a car that make more than 2x the current power.

I'm still trying to decide which direction to go, but for now I'm going to make gutting the swap car my next priority, then ms, then the turbo system...I think.
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Old 03-05-2007, 01:21 PM   #6
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The coolant re-route that is included with the BEGI kit isn't the traditional re-route that everyone refers to. I beleive Stephanie has said there was a regular and the race. The race being the typical re-route that people on miata.net have talked about.
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Old 03-05-2007, 01:25 PM   #7
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The coolant re-route that is included with the BEGI kit isn't the traditional re-route that everyone refers to. I beleive Stephanie has said there was a regular and the race. The race being the typical re-route that people on miata.net have talked about.
thanks for that. That was a major selling point with me. I'm still not sure if I want to spend this much cash and let it go on easily, or do a little welding and save $1500 or so.
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Old 03-05-2007, 01:26 PM   #8
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thanks for that. That was a major selling point with me. I'm still not sure if I want to spend this much cash and let it go on easily, or do a little welding and save $1500 or so.
Double check that information with BEGI, I could be wrong.
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Old 03-05-2007, 01:47 PM   #9
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TIRES
suspension.

I bet you're slower than N/A your first time out with the wheezer.
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Old 03-05-2007, 01:58 PM   #10
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TIRES
suspension.

I bet you're slower than N/A your first time out with the wheezer.
Azenis are coming.

I have 440/350 GC's with custom valved (factory) bilsteins, fcm stops, nb mounts, good alignment, corner weighted, and new ball joints and bushing.
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Old 03-05-2007, 02:27 PM   #11
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khumos MXs or Hankook Rs2s will handle the track better.
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Old 03-05-2007, 03:02 PM   #12
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khumos MXs or Hankook Rs2s will handle the track better.
Soft sidewall MXs better than Azenis? Ick. Had a set on track... crappy track tire. The only thing they did well was handle the heat.

The Rs2s have been doing well out there... but the Azenis is still the king of the street tires last I checked.

My preferences run to Azenis for light track use. Or R compounds, these only after you've out driven the Azenis.
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Old 03-05-2007, 03:10 PM   #13
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king of autox, but they suck at handling the heat, for the same price I'd try the hankooks, that's what I'll be doing.
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Old 03-05-2007, 03:23 PM   #14
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i've run both azenis generations on the track and the 615s dont suffer from gooey heat problems nearly as bad. they're also more forgiving at the limit... ie you can dorifto a little before spinning.

I've got the kooks now but have not tried em at the track.

I'd almost suggest some beater track tires like the victoracers.
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Old 03-05-2007, 04:45 PM   #15
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If you are buying dedicated wheels/tires for the track I'd buy a set of RA-1. They are pretty ok, LOVE the heat and last a long long time.
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Old 03-05-2007, 05:05 PM   #16
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If you are buying dedicated wheels/tires for the track I'd buy a set of RA-1. They are pretty ok, LOVE the heat and last a long long time.
Do they last longer than azenis on a track only comparison?
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Old 03-05-2007, 05:12 PM   #17
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I would say so. It'll probably be close. However I'd wager that the Azenis will be heat cycled out FAR before the RA-1. The RA-1 deals with heat really well, makes them a shitty autocross tire but good on the track.

I got my set used, no tread left, only 4 grooves (which I'm told is about 4/32, or half). I autocrossed them for 2 full seasons, one being with a co-driver, I also put about 5000km on the street. Don't have personal experience with them as an exclusive track tire.
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Old 03-05-2007, 06:03 PM   #18
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I would say so. It'll probably be close. However I'd wager that the Azenis will be heat cycled out FAR before the RA-1. The RA-1 deals with heat really well, makes them a shitty autocross tire but good on the track.

I got my set used, no tread left, only 4 grooves (which I'm told is about 4/32, or half). I autocrossed them for 2 full seasons, one being with a co-driver, I also put about 5000km on the street. Don't have personal experience with them as an exclusive track tire.
Its double the price, and I'd have to trailer the car to the track.
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Old 03-05-2007, 06:11 PM   #19
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thats why I suggested the 3 i did. all $70-73 each in 205/50/15
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Old 03-05-2007, 06:25 PM   #20
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That's why I asked if you were going to dedicate tires/wheels for the track. If you are doing double duty, then obviously you aren't going to want R's.
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