[DeTomaso] bump steer help
Garth Rodericks
garth_rodericks at yahoo.com
Wed May 12 14:55:35 EDT 2010
I need to do this myself. Is one method better than the other? Are there advantages or disadvantages to either?
Thanks!
Garth
[DeTomaso] bump steer helpJDeRyke at aol.com JDeRyke at aol.com
Wed May 12 13:31:03 CDT 2010
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In a message dated 5/12/10 9:25:48 AM, panteratime at aol.com writes:
> What are your suggestions with regard to "bump steer?" I understand
> there is a kit?
>
Bump-steer in a Pantera can be improved two ways: the simplest is a pair of
strap-spacers beween the front trunk floor and the steering rack mounts.
The exact thickness varies from Pantera to Pantera, but generally, 5/16" thick
helps most cars. Note that shifting the rack down & fwd also decreases the
Ackermann toe-gain, which may not be noticable unless you've done a few
other things in the front suspension.
The second way is to raise the tie rod ends by substituting heim joints for
the tie rod ends, and adding 1/4- 5/16" thick spacers between the heims and
steering arms. This is best done with a pair of stud adapters from Speedway
Motors ($9 ea) that allows the original tapered holes in the steering arms
to remain intact. Drilling the arms straight and using a gr-5 bolt keeps you
from ever running tie rod ends again.
Both methods are sold quite cheaply by vendors and others. No surprise:
either one will require front toe-in adjustment afterwards. And if you use
the tapered studs, both are completely reversable if you decide you don't like
the results. Note that bump-steer can be minimized but not eliminated in
any car. Good luck- J Deryke
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