It depends on which way you install the arms, offsets up or offsets down.
My suspension had spacers to lower it and I flipped the lower a-arms and
removed the spacers and remained the same height.
Charly
----- Original Message -----
From: "Tony Drews" <tony@tonydrews.com>
To: "Charly Mitchel" <charly@mitchelplumbing.com>; "MadMarx"
<tr4racing@googlemail.com>; <fot@autox.team.net>
Sent: Monday, August 20, 2012 8:52 AM
Subject: Re: [Fot] TR-4 vertical link and trunnion
> THAT's it. Left hand thread / Right hand thread. Thanks.
>
> OK, next question - If I switch from TR-4 to TR-4a (or TR-6) lower A arms,
> does that undo the lowering effect of the later trunnions? My car is low
> enough already, and messing with spring spacers doesn't sound like any fun
> at all. I've got two weekends before the next race to get this done. It
> sounds like the later A-arms are a direct bolt on for the earlier car with
> the welded in lower frame pivots. It may also eliminate the need for the
> reaming and spacers. It would probably also eliminate the additional
> camber gain - not sure that's a plus, but everything else would be a
> positive.
>
> Joe, your TR-250 front end is getting more attractive as we go along...
> :)
>
> Tony
>
> At 10:41 AM 8/20/2012, Charly Mitchel wrote:
>>My guess is the are L&R handed to keep from mixing them up. The trunnion
>>has the castor built into them and if you tried to reverse them the wheel
>>would have opposite castor. The threads on them are also L&R handed and
>>can only be assembled as a set L&R.
>>Charly
>>----- Original Message ----- From: "Tony Drews" <tony@tonydrews.com>
>>To: "MadMarx" <tr4racing@googlemail.com>; <fot@autox.team.net>
>>Sent: Monday, August 20, 2012 8:33 AM
>>Subject: Re: [Fot] TR-4 vertical link and trunnion
>>
>>
>>>I'm looking at a diagram of the TR-4 and TR-4a
>>>front suspension. On the 4A, the vertical link
>>>is different for Left Hand side of the car and
>>>Right Hand side of the car while on the TR-4 it's
>>>the same part for both sides. The trunnions are
>>>"handed" too - right / left hand for both set ups (but are different
>>>parts).
>>>
>>>Why is the vertical link different from side to
>>>side? I'm not seeing the difference and want to
>>>make sure I cover my bases if I make this conversion.
>>>
>>>Thanks, Tony
>>>
>>>At 10:08 AM 8/20/2012, MadMarx wrote:
>>>>One thing:
>>>>The car is getting lower with the TR6 trunnion.
>>>>So maybe a spacer has to added to the spring.
>>>>And the camber gain is increased.
>>>>
>>>>Cheers
>>>>Chris
>>>>
>>>>-----Urspr|ngliche Nachricht-----
>>>>Von: Tony Drews [mailto:tony@tonydrews.com]
>>>>Gesendet: Montag, 20. August 2012 16:57
>>>>An: MadMarx; fot@autox.team.net
>>>>Betreff: Re: AW: AW: [Fot] TR-4 vertical link and trunnion
>>>>
>>>>That sounds like a good upgrade. Is the upper ball joint the same? Are
>>>>there other changes besides using spacers between the Trunnion and the
>>>>stock
>>>>lower A-Arms? Being able to remove the Trunnion without taking the
>>>>A-Arms
>>>>loose from the spring pan would be a good thing I've discovered.
>>>>
>>>>If you could send me a few pictures, I'd appreciate it. I know they
>>>>won't
>>>>make it through the list, but I will get them if the message is
>>>>addressed
>>>>directly to me.
>>>>
>>>>Tony
>>><snip>
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