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[TR] TR4 Front suspension replacement early vs late commission #'s

Subject: [TR] TR4 Front suspension replacement early vs late commission #'s
From: deruiterville at hotmail.com (Randy and Valerie DeRuiter)
Date: Fri, 18 Feb 2011 12:06:32 -0600
References: <2F5EE4D0FA1C204BB5ADF935189C2425272E4300BB@MONFMBCLUS.CORP.GAPTEA.COM>
Peter-
 
Just my opinion, but since you are working with a later commission number I 
would rebuild using the later style suspension components as well.  This would 
gain you a suspension with 3 degress of castor which will be an improvement.  
Also, the later frame is meant to use the later steering rack, so you would 
have no unforeseen issues in marrying a later steering rack with the later 
suspension.
 
You didn't say what parts you need, but if you are replacing lower trunnions 
anyway then going with the later style is not that difficult.  The verticle 
links, spring pan, lower control arms are identical.  You would need later 
style upper control arms, but they are very common since they were used through 
the TR6.  To be safe, you may want to source steering arms for the appropriate 
commission number - slightly more time consuming but they are also available 
pretty easily in my opinon.
 
Regards,
Randy
64 TR4
59 TR3A in restoration

 > My to be rolling chassis commission # is CT26535, I plan on using parts from 
 > a commission # CT5908 for the front end suspension .
> I intended on rebuilding the entire front suspension using parts exclusively 
> from the Ct5908 commission car.
> 
> Q1: Will there be any problem mating up assembled front suspension to the 
> later commission chassis?
> Q2: When ordering replacement parts, I presume I should order them based upon 
> the earlier commission #?
> Q3: Could I utilize (If I was consistent ) utilize the replacement parts for 
> the later commission #? (ie ball joints and control arms)
                                          

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