I had a TR7 rack and pinion on my TR3 race car and it is possible to
eliminate the bump steer : the TR7 rack is about 57cm wide (distance between
the trackrods): this is just small enough to fit trackrods(inclusive rod
ends) of 22 à 23cm.
If a wider steering rack is fitted (wider than about 58cm), the trackrod
ends will touch the brake discs. Or you have to fit shorter track
rods(shorter than 22.5cm), but then, the bump steer can't be eliminated. For
instance, a TR4 rack is too wide and can not be used in a TR3. I believe the
steering rack of a classic Mini can be adapted to fit in a TR3.
PS : if I remember correctly, TR6 trackrods can be mounted on a TR7 rack and
have the correct length.
Marcel
---Oorspronkelijk bericht-----
Van: Fot [mailto:fot-bounces@autox.team.net] Namens riverside@southslope.net
Verzonden: dinsdag 10 november 2015 16:51
Aan: Todd Redmond; fot@autox.team.net
Onderwerp: Re: [Fot] Steering Rack TR3
How is the bump steer?
art de armond
-----Original Message-----
From: Todd Redmond
Sent: Tuesday, November 10, 2015 8:21 AM
To: fot@autox.team.net
Subject: [Fot] Steering Rack TR3
Friends,
Since I've just completed this, I'd though I'd share. John Hasty will be
able to give much more detail as he helped me with this. I'll attempt to add
photos.
- Purchase a TR7 Steering rack
- shorten the tie rods and have the ends threaded. I added spherical rod
ends to mine. Had to drill the steering arms to accept the bolt for the rod
ends
- fabricate brackets for the frame. I purchased a set from Revington TR.
part numbers
RTR3163 and RTR3162
- you'll need the 2 piece steering column. The long 1 piece does not work.
- purchase an electric fan as the standard fan no longer fits
Todd
Sent from my iPad
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