| [ Total Views: 1460 | Total Replies: 17 | Thread Id: 93614 ] |
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 whathaveidone
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| posted on November 6th, 2011 at 07:32 PM |
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Pie cutting my front end
Can anyone tell me the best angle to lay my beam back to get my caster right????????
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11CAB
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| posted on November 6th, 2011 at 07:33 PM |
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What's wrong with castor shims?
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whathaveidone
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| posted on November 6th, 2011 at 07:52 PM |
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already have them in and its not enough!!!!
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on November 6th, 2011 at 08:04 PM |
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My car was sweet to 147mph with just i set, perhaps the wheels are not pointing straight ahead?
7 to 9 degrees of caster should be more than you would ever need.
| Quote: | Originally
posted by westi
That's mad Alan.
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whathaveidone
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| posted on November 6th, 2011 at 08:10 PM |
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Cheers Dave. Wheel alignment is good. Ive been told with the rake Ive got is the problem. Should i go off a level surface or off the pan???
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Dak-A-Tak
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| posted on November 6th, 2011 at 09:23 PM |
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Sounds like maybe the rear is walking the car around , which is a very common problem !
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whathaveidone
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| posted on November 6th, 2011 at 09:32 PM |
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Whats the best way to deal with that???? The car is very unsteady at the moment!!!
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dangerous
A.k.a.: Dave Butler Muffin Man
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| posted on November 7th, 2011 at 07:17 AM |
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Measure you caster first to make sure it is not bogus with so much rake.
This needs to be done in relation to the ground.
The top of your tunnel is a good reference to use when doing the cut.
You really need to make sure that your rear wheels are pointing the right way.
Early cars with late trans always struggle to get any toe in,
so you may have to shim the front trans mount.
I like a little toe in when the axles are dead level...but it must be centred to the front wheels.
so....
Get it on a machine to make sure the rear is in the same plain as the front.
Another problem with so much lowering, is the tie rods get into a position that has a lot of bump steer.
You can do all sorts of things to improve the situation,
like moving the tie rod ends, or making up a single tie rod and connecting track rod deal.
...but if you raise the front back to stock, and then do a small pie cut, you can get:
good caster(dont go too far),
car WILL be lower,
and with stock trailing arm angle,(in relation to the beam)
your bump steer will be reduced.
| Quote: | Originally
posted by westi
That's mad Alan.
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JVLRacing
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| posted on November 7th, 2011 at 10:16 AM |
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Is the car actually steerin straight or is it pullin u to one side as u hitting a certain speed?
if so check ur steering arm angles....
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mactaylor
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| posted on November 7th, 2011 at 06:18 PM |
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good question! what is the set up for most of the aussie swing axle link pin pan cars?
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nbturbo
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| posted on November 7th, 2011 at 08:23 PM |
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whathaveidone- Did my PM get thru to you?
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Dak-A-Tak
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| posted on November 8th, 2011 at 08:31 PM |
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Go and see Maca , I'm sure he has the BERG tech book .
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whathaveidone
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| posted on November 9th, 2011 at 03:03 PM |
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Nturbo- yes it did, havent been able to check it for a few days
Pete- Ive been talking alot to Henry. He has given me quite a list of things to check. BERG book sounds interesting though, will try to track it
down.
Thanks guys
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hellbugged
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| posted on November 9th, 2011 at 04:22 PM |
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| Quote: | Originally
posted by Dak-A-Tak
Go and see Maca , I'm sure he has the BERG tech book .
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X2 I can send mine down if you need
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whathaveidone
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| posted on November 9th, 2011 at 04:40 PM |
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What is the exact name of the book???? might be a good one to own. Looked on the berg site and there is a few.
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hellbugged
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| posted on November 10th, 2011 at 04:56 AM |
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http://www.geneberg.com/product_info.php?cPath=14_432_2926&products_id=1303
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 matberry
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| posted on November 10th, 2011 at 07:15 AM |
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Some mod thought it was worth deleting my description of the Gene Berg Book of Technical Articles as the Gene Berg Tech Book ....WTF is happening
here!!!!
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Dak-A-Tak
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| posted on November 10th, 2011 at 08:13 PM |
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Maybe the powers of be , can set up a section at top of vw dragracing area for tech storys so people can get help easy !!
Lots tech articles out there . Good Idea !!
http://www.aircooled.net/gnrlsite/resource/articles/dragsetup.htm
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