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Old 12-28-2013, 12:36 PM   #41
Twin_Turbo_S54
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Quote:
Originally Posted by GeorgeGG View Post
neither is easy to source, i have to import any of them.
so better do it once and do it right.

we do not have Drag strip with glue, only pure asphalt, so sticky tire is preferable that will do a good job for Highway racing and good job for drag race.


what you guys think about those wheels
Aero 50 Series Black Roll-Formed Wheel 15"x12" 5x4.75" 50-124720
it has -114mm offset, center bore is bit big but its not an issue ill machine ring for alignment in center

does anybody know anything about aero wheels?

Test a set of 275 tires on 9,5"-10" wheels.
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Old 12-29-2013, 06:00 AM   #42
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Originally Posted by Twin_Turbo_S54 View Post
Test a set of 275 tires on 9,5"-10" wheels.
I can not get 275 tires and 10j wheels locally i have to import and it is not cheap to spend money just for test

I thought to get 325 50 r15 tires and 12j wheels
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Old 12-29-2013, 08:34 AM   #43
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I can not get 275 tires and 10j wheels locally i have to import and it is not cheap to spend money just for test

I thought to get 325 50 r15 tires and 12j wheels

325-50-15s did not have good traction on street asphalt, I dont mean VHT'ed track, they dont work on regular asphalt.

Put a set of 275-40-17 Hoosiers (A6 or R6) with very little hammering on the Wheel arches. They may fit w/o hammering depending on suspension height.

They grip & grip on regular asphalt. I went 100-200 in 3,61 s with Hoosiers.

If you can find rear wheels of E34 M5 they will work with 275 hoosiers.
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Old 12-29-2013, 10:26 AM   #44
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Can u post picture of e34 m5
We have them here but not sure which one are u talking about

And can u post exact model of hoosier?
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Old 12-29-2013, 11:06 AM   #45
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Can u post picture of e34 m5
We have them here but not sure which one are u talking about

And can u post exact model of hoosier?

Google throwing star Wheel E34 M5. this is what came on most of the e34 m5s.

hoosier r6 and / or a6 is the exact model.
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Old 12-29-2013, 11:09 AM   #46
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Are you talking about this?
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Old 12-29-2013, 11:18 AM   #47
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yes, but you nee the REAR wheels: 9 x 17

these are cheap and work well.

test Hoosier A6 / R6 and you will thank me
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Old 12-30-2013, 11:13 AM   #48
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Been using A6's (295/30/19) for street and even occasional drags, they worked way better for my power level than R888 (just a piece of advice from my experience)
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Old 12-30-2013, 11:50 AM   #49
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Been using A6's (295/30/19) for street and even occasional drags, they worked way better for my power level than R888 (just a piece of advice from my experience)
Dragos welcome back
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Old 12-30-2013, 02:37 PM   #50
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thanks guys for input, i'm looking for wheels and as soon as i find them ill go for Hoosiers
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Old 12-30-2013, 05:14 PM   #51
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thanks guys for input, i'm looking for wheels and as soon as i find them ill go for Hoosiers

Pleasure,

No need to cut/weld Wheel arches.

Other than tires, focus on suspension components.

Which suspension do you have?

Does your ECU offer "boost by gear"? Try to increase boost in 2nd gear up to point where there will be no Wheel spin.
Lets say, with 275 hoosiers in 2nd gear, tires fully warmed up, traction is very good @18 psi. But over 19 psi wheels spin badly.
This means you will have to limit boost to 18 psi @ 2 nd gear.

If your ECU allows boost by gear, you can run more than 18 psi @ 3rd gear...
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Old 12-30-2013, 05:25 PM   #52
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Pleasure,

No need to cut/weld Wheel arches.

Other than tires, focus on suspension components.

Which suspension do you have?

Does your ECU offer "boost by gear"? Try to increase boost in 2nd gear up to point where there will be no Wheel spin.
Lets say, with 275 hoosiers in 2nd gear, tires fully warmed up, traction is very good @18 psi. But over 19 psi wheels spin badly.
This means you will have to limit boost to 18 psi @ 2 nd gear.

If your ECU allows boost by gear, you can run more than 18 psi @ 3rd gear...

well, ECU has that function and thats the way i have set it up except one thing. i have no traction at all.

when it comes on boost, it feels like somebody is jumping on clutch pedal.

on less power 500ish whp car used to go sideways but now all it does is:

for instance boost comes to 4500rpm, it will hit 7500rpm, then back to 5000, then again rev limiter, again 5000

suspension is pretty stiff rear, i'm not sure about spring rate but springs are more strong than shocks can dump.

when i get wheels and tires i will setup boost levels again, but now there is no point to try even slicks because its dry and cold outside. +2 -2c deg outside
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Old 12-30-2013, 06:58 PM   #53
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well, ECU has that function and thats the way i have set it up except one thing. i have no traction at all.

when it comes on boost, it feels like somebody is jumping on clutch pedal.

on less power 500ish whp car used to go sideways but now all it does is:

for instance boost comes to 4500rpm, it will hit 7500rpm, then back to 5000, then again rev limiter, again 5000

suspension is pretty stiff rear, i'm not sure about spring rate but springs are more strong than shocks can dump.

when i get wheels and tires i will setup boost levels again, but now there is no point to try even slicks because its dry and cold outside. +2 -2c deg outside

do you have LSD?

chek your spring rates, they may tell us about the spin...

hoosiers will stick and stick.
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Old 12-30-2013, 11:38 PM   #54
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do you have LSD?

chek your spring rates, they may tell us about the spin...

hoosiers will stick and stick.
sure man, first thing what i did on the car was LSD conversion

i managed to make custom mount for E36 M3 diff to fit E46 chassis

LSD is modified to 80%
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Old 12-31-2013, 03:22 AM   #55
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:d sure man, first thing what i did on the car was lsd conversion

i managed to make custom mount for e36 m3 diff to fit e46 chassis

lsd is modified to 80%

+ 1
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Old 01-01-2014, 03:19 AM   #56
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Happy new year to all of you!
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Old 01-10-2014, 06:25 AM   #57
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interesting thing happen since i converted car RHD to LHD, i'm not able to open trunk when ignition is on, or when engine is running, when i shut it off, then it is possible to open trunk.

any suggestion where to look for problem?

i don't think there is something missed in wiring as i cut and solder one by one each wire so nothing should be messed up.

thanks
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Old 01-10-2014, 05:02 PM   #58
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interesting thing happen since i converted car RHD to LHD, i'm not able to open trunk when ignition is on, or when engine is running, when i shut it off, then it is possible to open trunk.

any suggestion where to look for problem?

i don't think there is something missed in wiring as i cut and solder one by one each wire so nothing should be messed up.

thanks

Too much boost at idle
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Old 01-10-2014, 06:58 PM   #59
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Too much boost at idle
i bought 10J alpina r17 discs today

now its time for hoosiers
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Old 01-10-2014, 08:59 PM   #60
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Man this is sick, nice setup!
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