Irv, Not much that you missed, there are other subtle differences in the
interior such as headlight switch placement, OD switch placement, the center
plinth dash switch arrangements, seats, cushion pad on door tops,
Temperature gauge. Gee when you start to list the differences the cars while
looking almost identical were really quite different.
JVV
----- Original Message -----
From: "Irv Korey" <emanteno@attglobal.net>
To: "Tim I. Purdy" <timipurdy@citlink.net>; <triumphs@autox.team.net>
Sent: Thursday, February 26, 2004 7:36 AM
Subject: Re: TR4/TR4A Question
> At 09:41 PM 2/24/04, Tim I. Purdy wrote:
>
> >Anyhow, I own a 64 TR4. I have never seen a TR4A, the price of living in
the
> >boonies I guess. I have always wanted to know what is the difference
between
> >the two models. Was it just a slight change in the car body, or the
enginer?
> >Just want to further my education. Thanks . .. . Tim (I maybe in
California,
> >but snow is in the forecast for the next seven days)
>
> There are several evolutionary changes to the 4A, some of which were
> mentioned by others. Here are the ones that I can remember:
>
> The 4A uses a different frame from the TR4, and in the US could be found
> with IRS or solid rear axle
> The grill is different
> The radiator is different
> The steering rack mounts are different
> The handbrake location is different
> The dash went from white metal on earlier TR4's to the wood dash at some
> point, but I think all 4A's had the wood dash
> 4A's have chrome strips and lights on the front fenders
> Folding top vs the removable top and folding bows (this could also have
> taken place on later TR4's, I don't know)
> Front suspension changes, including vertical links, trunnions, and lower
> a-arms, which made front camber adjustment MUCH easier
> 4A's came with Strombergs or SU HS6's, depending on when they were made,
> 4's used Strombergs or SU H6's.
> The cylinder heads and intake manifolds were different between the 2 cars,
> although once again, these changes could have been made to later 4's.
>
> The REAL experts out there will be happy to point out what I have missed.
>
> ;-)
>
> Irv Korey
> 74 TR6 CF22767U
> 63 TR4 VSCDA Group 2 #58
> Highland Park, IL
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