[Fot] Doug Still Guides Me...

[Bob Kramer]

I'm in a pretty big metro area in Austin and we have no local line boring
available.  Very frustrating.

Bob Kramer


On Mon, Mar 23, 2020 at 11:36 AM Brad Eells via Fot <fot at autox.team.net>
wrote:

> Interesting...I thought that would be a standard machine shop operation,
> like resizing rods.
>
> Apparently not...
>
>
> *Brad Eells*
> *Chino CA*
> *#72 FP 1969 Triumph Spitfire Mk3*
> *#35 DP 1962 Triumph TR4*
> *1965 Triumph TR4A IRS...for the road!*
>
>
>
>
> On Mon, Mar 23, 2020 at 8:30 AM Bud Rolofson <levilevi at comcast.net> wrote:
>
>> Speaking of main caps I bought a block that turned out to not have the
>> original main caps. The caps on there did not match up with the block but
>> I’ve been unable to find a machine shop that can machine them so there’s a
>> round hole for the crank. The shop I had do my last block (and they do 427
>> race engines among others and are well respected) told me that the result
>> would be ovaled out holes (not round) which obviously is not good.
>> Certainly there’s a way to make this work but I haven’t found it. I
>> checked out another block shop but said they subcontract line-boring to the
>> the shop that said they couldn’t do it.
>>
>> Has anyone else encountered this problem? I’ve heard that steel mains
>> might be an answer but they’d still have to be line-bored to make them
>> match. I hate to ship a block to get this done before I have reassurances
>> that they can make it work but does anyone know of that has successfully
>> made main caps match the block? Given I’m spending a lot of time these days
>> staying home and catching up on car projects in the shop I figured it would
>> be a good time to start building the next engine.
>>
>> Solutions or recommendations?
>>
>> Thanks
>> Bud
>>
>>
>>
>> On Mar 22, 2020, at 9:33 PM, Brad Eells via Fot <fot at autox.team.net>
>> wrote:
>>
>> Amici,
>>
>> In typically rookie race engine builder mode with the block I selected
>> for rebuild, I pulled the main bearing caps (with my new fancy DeWalt 20V
>> Impact Wrench) and then couldn't remember which way around they went.
>>
>> This led to visions of catastrophic failure somewhere down the road. Yet,
>> I had several other blocks I could flip over and make a determination if
>> need be.
>>
>> I was examining one of the caps when I discovered the faintest engraving
>> on the surface of each cap:
>>
>> Eng #2 Front Fwd
>> Eng #2 Mid Fwd
>> Eng #2 Rr Fwd
>>
>> Doug Brown, my original owner/builder/driver extraordinaire had engraved
>> each cap for me to make sure a mistake didn't occur. He rotated 3 engines
>> during each season in a quest for Divisional and National Championships.
>>
>> I guess that is the way a aeronautical/mechanical engineer and very
>> successful racer thinks.
>>
>> Thanks again Doug!
>>
>> <IMG_8745.jpg>
>>
>> Cheers,
>>
>>
>> *Brad Eells*
>> *Chino CA*
>> *#72 FP 1969 Triumph Spitfire Mk3*
>> *#35 DP 1962 Triumph TR4*
>> *1965 Triumph TR4A IRS...for the road!*
>>
>>
>> _______________________________________________
>> fot at autox.team.net
>>
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>>
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>>
>>
>> Bud Rolofson
>>
>> Extreme Parts Racing (more than just a haircut)
>>
>> 71TR6 CC57365 (Good 6)
>> 71 Spitfire MK IV Race Car #3
>> 69 Spitfire MK III (back up FE engine/dinghy car)
>> 93 Minnie Winnie Race Support Vehicle
>> 77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)
>>
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