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Drag Racing Discuss Drag Racing here be it dirt or tarmac. Sponsored by Sydney Dragway. |
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28-04-2008, 01:49 PM | #1 | ||
Turbo Dinosaur FTMFW
Join Date: Dec 2004
Location: SA
Posts: 7,834
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thought i'd start a thread here after the conversation in the clevo forum about tyre pressures.
I'll be running a pair of Mickey T et street radials (275/50/15) on my coupe at the Aff meet this weekend, I think a few others will be running the same tyres. I'm curious to know peoples opinions on what tyre pressure I should run, any suggestions on warming them up, such as just a quick small burnout, etc, and anything else that could be useful to this first-timer I have no idea how much prep work is done to the track at heathcote, maybe someone else can help with that info? Thanks. |
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28-04-2008, 03:57 PM | #2 | ||
Donating Member
Join Date: Dec 2004
Location: QLD
Posts: 11,782
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13 PSI ,same size tyre and didn't need a real big skid though willowbank is pretty well prepped .
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28-04-2008, 05:38 PM | #3 | ||
Clevo Mafia Inc.
Join Date: Dec 2004
Location: Melbourne
Posts: 10,496
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Greg is that cold or warm pressure ?
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28-04-2008, 06:17 PM | #4 | ||
Hmmmmm Mulberry....
Join Date: May 2005
Location: Mornington Peninsula
Posts: 1,438
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I run mine at 18-20 psi
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28-04-2008, 06:38 PM | #5 | ||
Weezland
Join Date: Aug 2005
Location: Sydney,workshop mod
Posts: 7,216
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12psi cold worked for me with 235/15's.
They have a stiffer sidewall than a full slick. |
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28-04-2008, 07:27 PM | #6 | ||
Regular Member
Join Date: May 2007
Posts: 52
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Guys, straight from the MT tech bulletin,
Proper use of Mickey Thompson ET Street Radial Inflation Pressures On the racetrack DO NOT use starting pressures below 11 psi. Recommend pressures for: P295 and larger sizes: 11-14 psi P275 and smaller sizes: 12-16 psi On the highway we recommend running 75% of the max psi as notes on the sidewall of the tire. Burnouts The tread compound used in the ET Street Radials is designed to heat quickly and does not require a heavy burnout. Continue the burnout until the engine starts to pull down. We do not recommend a dry hop after the burnout. Bead/Wheel Slippage Some bead/wheel slippage may result during the course of a 1/4 mile (or 1/8 mile) drag race. This is normal. Of course this is just the recommended parameters because every car/combo will be different but it is a good place to start.
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28-04-2008, 07:35 PM | #7 | |||
N/A BOSS 390+
Join Date: Jan 2005
Posts: 3,648
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Quote:
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28-04-2008, 10:08 PM | #8 | |||
Donating Member
Join Date: Dec 2004
Location: QLD
Posts: 11,782
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Quote:
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28-04-2008, 10:29 PM | #9 | |||
3 Pedals R Better Than 2
Join Date: Jan 2005
Location: Newcastle
Posts: 5,241
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Quote:
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03-05-2008, 08:45 PM | #10 | ||
Starter Motor
Join Date: Apr 2008
Posts: 28
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I run mine at 14 psi, cold. 235/60-15 et street radial.
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04-05-2008, 09:35 AM | #11 | ||
trying to get a leg over
Join Date: Dec 2004
Location: Melbourne
Posts: 2,690
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12-16 psi and check them after every run.
They can creep up by a couple of psi after a run.
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