[Fot] Fw: Early Block - Follow-up

[Jack Wheeler]

 Hi again, Joe.  I hadn't looked at your pictures before I send my last note.  Now that I see your picture, I realize that the early TR-2's did not have bosses cast into the block for the retaining screws for cam bearings (like my later TR-2 block has).  So apparently, while not anticipating cam bearings when the engine was first designed (perhaps for tractor use), at some time durng the TR-2 production run they realized that cam bearings would some day be required, so they made the necessary changes to the block casting to allow later implementation of cam bearings with only machining changes.  Interesting.
Jack

   ----- Forwarded Message ----- From: Jack Wheeler <jwheeler1947 at yahoo.com>To: Joe Alexander <n197tr4 at cs.com>Cc: fot at autox.team.net <fot at autox.team.net>Sent: Saturday, December 1, 2018, 11:14:18 AM ESTSubject: Re: [Fot] Early Block
  Hi Joe.  I have the block from my TR-2, which had no cam bearings.  I am using a later block in the car because I wanted cam bearings.  It is a late TR-2, block number is 7257.  While it does not have cam bearings, or holes for the retaining bolts, I believe they anticipated adding cam bearings at some time, as the bosses for the holes for the retaining bolts are cast into the block.  I don't know if this is true of all TR-2 blocks, but it certainly made it easier when they added cam bearings.  No changes were required to the block casting, only the machining was different.  Interesting history.
Jack

    On Friday, November 30, 2018, 4:56:40 PM EST, Joe Alexander via Fot <fot at autox.team.net> wrote:  
 
 Kas and All.

Sean was stripping a block and noticed that there were no Cam Bearing Retainer Hardware. And the center web bridged the width of the block and was machined.
> 
> TS1362E

Clearly, running design changes for a reason. Any insights on this?



> 
> Joe Alexander
> 4505 Donald Dr
> Cedar Falls, IA 50613
> The-vintage-racer.com
> Gasketinnovations.com
> Cell:  319.464.4711
> 
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