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03-30-2011, 11:30 PM
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CC Member
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Join Date: Jan 2011
Location: MANGO HILL,
QLD
Cobra Make, Engine: GOING TO PURCHASE DRB
Posts: 16
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Not Ranked
Tyre advise
Guys, I recently put two cheep chinese tyres (hero's) on my falcon seem to be a decent tyre but i seem to have a vibration come in around 140kmph could this be a crap wheel ballance. I'm happy with responce from tyres in wet and dry, nice and quiet too, though will give wear view later.
Any ideas fellas?
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03-31-2011, 01:42 AM
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CC Member
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Join Date: Jul 2009
Location: Redland Bay,
QLD
Cobra Make, Engine: Harrison #100 under construction
Posts: 1,109
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Not Ranked
Its probably time to do an on-car balance. Ordinary wheel balancing machines are set to balance your wheel/tyres to 105kph +/- 1 or 2 k's. Once you get past about 115k's you're wasting your time getting a std dynamic balance.
The question is however where is the vib coming from ? Front or back ? It's pretty easy to tell believe it or not-If the vib is making the steering wheel move or vibrate its the front. If you're feeling it in your butt or more specifically if you go for a run in the car & when it starts look at your passenger seat and if its vibrating/moving then put your hand on the transmission tunnel behind the console & see if the vib is coming through the floor-if so its coming from the rears. The Falcon has a 2 piece tailshaft and any rear in balance of the tyres will come through there.
Hope this helps
Rog
__________________
Rog 246
Harrison #100
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03-31-2011, 01:24 PM
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CC Member
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Join Date: Jan 2011
Location: MANGO HILL,
QLD
Cobra Make, Engine: GOING TO PURCHASE DRB
Posts: 16
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Not Ranked
Tyhanks heaps rog246, I am sure its coming from the front. Your comonts on on car ballance sounds like the issue. Thanks heaps
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04-01-2011, 12:09 AM
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CC Member
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Join Date: Oct 2008
Location: Perth,
WA
Cobra Make, Engine: G-Force Mk1, LS1, T56, Jag S3 suspension
Posts: 587
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Not Ranked
At 140 the cheap Chinese rubber might be going out of round!
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04-01-2011, 12:16 AM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
Or belts shifting.
__________________
Cruising in 5th
---------------------------------------------
Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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04-01-2011, 01:05 AM
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CC Member
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Join Date: Apr 2006
Location: Mildura,
vic
Cobra Make, Engine: FFR Coupe, 416ci of LS goodness
Posts: 2,349
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Not Ranked
There is a reason they are cheap.
__________________
Powered by Cu
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04-01-2011, 02:52 AM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
I agree Mr Bunnings
__________________
Cruising in 5th
---------------------------------------------
Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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04-01-2011, 03:44 AM
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CC Member
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Join Date: Feb 2006
Location: The Hills,
NSW
Cobra Make, Engine: Absolute Pace
Posts: 1,354
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Not Ranked
I have driven a couple of Ford turbos, got an invite to the NSW FG launch at Eastern Creek a couple of years ago.
You are braver than me driving on crap rubber like that...
Ben
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04-01-2011, 04:52 AM
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CC Member
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Join Date: Oct 2008
Location: Perth,
WA
Cobra Make, Engine: G-Force Mk1, LS1, T56, Jag S3 suspension
Posts: 587
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Not Ranked
Probably worth checking the rating. J is bad... 
Last edited by jcraigau; 04-01-2011 at 04:53 AM..
Reason: forgot sarcastic smiley face...
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