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New huron build: suspension, EBC and tire help

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Old Dec 18, 2017 | 09:09 PM
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Default New huron build: suspension, EBC and tire help

just fired up my TA with cam, tranny and huron build and its sick.
Even with base tune, 4lbs it was a smoke show on radials and beastly.

SOTP 11 sec car spinning. with right tires and real boost its 10sec easy but.. looking for some tips to get to a streetable setup.

I have 2002 TA auto, stock 2.73 rear, 3200 stall worked tranny, huron v3 turbo 7875, BTR stage 2 cam, 80lb injectors dual 450 walpro.

currently 18x9.5 rim with 275 conti extreme summer radials and they are useless.

shocks are new konis all around non-adj shocks, stock springs
founders LCA, upper cross, and relocation brackets.

1st gear useless
mid to WOT usless
drift machine.

all good plenty of power but I want dry weather streebility with some safety to to get home in slight wet on way home if it happens. Worse case pull over but I want to have street street fun.

So what is a good spring setup to rotate and hook with 600-700hp?

I just ordered nitto nt05 for the rear in 285-35/18

maybe coilover fronts and adj dampers in the rear?

do I need to change wheels to 10.5 slicks?
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Old Dec 18, 2017 | 09:10 PM
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also I am no EBC all spring. I think I need that first too. Maybe

boostleash?
AMS500

Is c02 best for traction? keep 2psi low then 10-15 up top?
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Old Dec 20, 2017 | 09:25 AM
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A 35 series sidewall tire isn't going to hook for crap on a boosted ls setup. You need more sidewall, with width coming secondary.
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Old Dec 20, 2017 | 09:33 AM
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LOL thank you, well I bought a set of NT05 for the rear, hopefully better then what I have for short term but I will get a pair of wheels for teh rear.

I had 16s stock, so maybe 16 or 17 x10" wide replica and throw on a good street drag radial?

what works that can drive to the track and handle wet weather, cautiously?
And a value: I like the 15" wheel size since rubber and wheels are cheaper and only for weekend cruiser or track days.

I will get a boost by gear controller so I am like 3lbs in 1st-2 then gain up to 8-10 range

MT ET2
NTO5R
R888
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Old Dec 20, 2017 | 10:05 AM
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3 lbs in 2nd gear with a 2.73 auto? You'll be at 3 PSI until 120 MPH.

Pour the boost on in 2nd.
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Old Dec 20, 2017 | 10:14 AM
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1-2 3lbs but hit 2-3, yes I will dial it up as long as its not a sliding machine.
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Old Dec 20, 2017 | 11:08 AM
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I drive 295 50 16 Mickey Thompson's et streets in the rain without issue. They fit on stock 16 TA wheels. Lots of people go with the 255 50 16 et streets too. They don't recommend wet weather with them but if you're not on the highway they're fine and will hook the best outside of a Hoosier.
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Old Dec 20, 2017 | 11:52 AM
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255 ET2 have that much hook up? My 255 were toast on stock ls1. 275 DSW CONTI did great at 275. I do not dig more punch it off idle but for cruising, rolling off from red light I could punch it with almost no squeal. Now that they have some miles there is some more slip 1-2,2-3 but I feel safe on wet roads.

Now even at 4lbs it is a drift machine with the DSW 1st and 2nd.
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Old Dec 20, 2017 | 12:50 PM
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Yes a real MT ET street 255 50 16 is a good tire unless you're planning on high hp or have a really quick spooling setup with a ton of low-end torque. I like my 295 50 16s but they are a big tire.
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Old Dec 20, 2017 | 01:47 PM
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I will add a SIRHC EBC to control low boost and stick with 4lb low and 10lb max on my stock bottom end for now. I will get things dialed in and even stay under 6lbs for now with the NT05 until I get comfortable with the power and get suspension and tune going.

If I track it I am ok just getting 16" wheel and swapping out to a 255-60-16 or 255-50-27 MT or Hoosier. Ifs its nice out I will drive home on it. But I am really want a safe street tire that I can drive on the street, with 99% no rain but I live in FL so I will hit some water and blacktop occasionally and I will drive slow but still want to be safe.

In dry I would like the tire to perform from a roll at least 20-30 get strong hit at 50-75% throttle at least and be able to mash it from a 50mph roll safely.

I am thinking I will be in the 650HP/TQ range once dialed in.
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Old Dec 20, 2017 | 02:09 PM
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I'd get away from the shocks that are on it, if you're serious about going faster. They're not designed for trying to plant power.

A good single on the front and a single on the rear (at minimum), along with a good tire on the back of it, will go a long way.
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Old Dec 23, 2017 | 07:49 PM
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what about a comp 3 way on the rear, stock springs all around and keep koni str up front for now. Then switch front to coil overs. viking, bmi or qa1?
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