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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@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=E2=80=99ve been unable to find a machine shop that can machine them so =
there=E2=80=99s a
> round hole for the crank. The shop I had do my last block (and they do 42=
7
> 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=E2=80=99s a way to make this work but I haven=E2=80=99t f=
ound it. I
> checked out another block shop but said they subcontract line-boring to t=
he
> the shop that said they couldn=E2=80=99t do it.
>
> Has anyone else encountered this problem? I=E2=80=99ve heard that steel m=
ains
> might be an answer but they=E2=80=99d 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=E2=80=99m spending a lot of time =
these days
> staying home and catching up on car projects in the shop I figured it wou=
ld
> 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@autox.team.net>
> wrote:
>
> Amici,
>
> In typically rookie race engine builder mode with the block I selected fo=
r
> 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@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/fot/levilevi@comcast.net
>
>
>
> 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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<div dir=3D"ltr">Interesting...I thought that would be a standard machine s=
hop operation, like resizing rods.<div><br></div><div>Apparently not...</di=
v><div><br></div><div><br clear=3D"all"><div><div dir=3D"ltr" class=3D"gmai=
l_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><div><div =
dir=3D"ltr"><div><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div di=
r=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"lt=
r"><div dir=3D"ltr"><div dir=3D"ltr"><div><div style=3D"font-size:12.8px"><=
b><font color=3D"#000000">Brad Eells</font></b></div><div style=3D"font-siz=
e:12.8px"><b><font color=3D"#000000">Chino CA</font></b></div><div style=3D=
"font-size:12.8px"><b><font color=3D"#000000">#72 FP 1969 Triumph Spitfire =
Mk3</font></b></div><div style=3D"font-size:12.8px"><b><font color=3D"#0000=
00">#35 DP 1962 Triumph TR4</font></b></div><div style=3D"font-size:12.8px"=
><b><font color=3D"#000000">1965 Triumph TR4A IRS...for the road!</font></b=
><br></div></div><div style=3D"font-size:12.8px"><b><font color=3D"#000000"=
><img src=3D"https://docs.google.com/uc?export=3Ddownload&id=3D1HyYLxa1=
_Lz_Q0kLM3GRJryNDgfOwZyUc&revid=3D0B9vVTDWaFCqFVmR6Q1FsMExZTHVLcHpja3Bp=
SC9ucGcveHdJPQ" width=3D"96" height=3D"94"><br></font></b></div><div><br></=
div></div></div></div></div></div></div></div></div></div></div></div></div=
></div></div></div></div><br></div></div><br><div class=3D"gmail_quote"><di=
v dir=3D"ltr" class=3D"gmail_attr">On Mon, Mar 23, 2020 at 8:30 AM Bud Rolo=
fson <<a href=3D"mailto:levilevi@comcast.net";>levilevi@comcast.net</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0p=
x 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div s=
tyle=3D"overflow-wrap: break-word;">Speaking of main caps I bought a block =
that turned out to not have the original main caps. The caps on there did n=
ot match up with the block but I=E2=80=99ve been unable to find a machine s=
hop that can machine them so there=E2=80=99s a round hole for the crank. Th=
e shop I had do my last block (and they do 427 race engines among others an=
d are well respected) told me that the result would be ovaled out holes (no=
t round) which obviously is not good.<div>Certainly there=E2=80=99s a way t=
o make this work but I haven=E2=80=99t found it. I checked out another bloc=
k shop but said they subcontract line-boring to the the shop that said they=
couldn=E2=80=99t do it.=C2=A0</div><div><br></div><div>Has anyone else enc=
ountered this problem? I=E2=80=99ve heard that steel mains might be an answ=
er but they=E2=80=99d still have to be line-bored to make them match. I hat=
e 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=E2=80=99m spending a lot of time these days stayin=
g home and catching up on car projects in the shop I figured it would be a =
good time to start building the next engine.</div><div><br></div><div>Solut=
ions or recommendations?</div><div><br></div><div>Thanks</div><div>Bud<br><=
div><br></div><div>=C2=A0<br><div><blockquote type=3D"cite"><div>On Mar 22,=
2020, at 9:33 PM, Brad Eells via Fot <<a href=3D"mailto:fot@autox.team.=
net" target=3D"_blank">fot@autox.team.net</a>> wrote:</div><br><div><div=
dir=3D"ltr">Amici,<div><br></div><div>In typically rookie race engine buil=
der mode with the block I selected for rebuild, I pulled the main bearing c=
aps (with my new fancy DeWalt 20V Impact Wrench) and then couldn't reme=
mber which way around they went.=C2=A0</div><div><br></div><div>This led to=
visions of catastrophic failure somewhere down the road. Yet, I had severa=
l other blocks I could flip over and make a determination if need be.</div>=
<div><br></div><div>I was examining one of the caps when I discovered the f=
aintest engraving on the surface of each cap:<br><br>Eng #2 Front Fwd</div>=
<div>Eng #2 Mid Fwd</div><div>Eng #2 Rr Fwd</div><div><br></div><div>Doug B=
rown, my original owner/builder/driver extraordinaire had engraved each cap=
for me to make sure a mistake didn't occur. He rotated 3 engines durin=
g each season in a quest for Divisional and National Championships.</div><d=
iv><br></div><div>I guess that is the way a aeronautical/mechanical enginee=
r and very successful=C2=A0racer thinks.</div><div><br></div><div>Thanks ag=
ain Doug!</div><div><br></div><div><div><span id=3D"gmail-m_315376404171880=
1694cid:ii_k83wus460"><IMG_8745.jpg></span><br></div><div><br></div><=
div>Cheers,</div><div><br></div><div><br></div><div><div dir=3D"ltr"><div d=
ir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div dir=3D"ltr"><di=
v dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=
=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div><div style=
=3D"font-size:12.8px"><b><font>Brad Eells</font></b></div><div style=3D"fon=
t-size:12.8px"><b><font>Chino CA</font></b></div><div style=3D"font-size:12=
.8px"><b><font>#72 FP 1969 Triumph Spitfire Mk3</font></b></div><div style=
=3D"font-size:12.8px"><b><font>#35 DP 1962 Triumph TR4</font></b></div><div=
style=3D"font-size:12.8px"><b><font>1965 Triumph TR4A IRS...for the road!<=
/font></b><br></div></div><div style=3D"font-size:12.8px"><b><font><img src=
=3D"https://docs.google.com/uc?export=3Ddownload&id=3D1HyYLxa1_Lz_Q0kLM=
3GRJryNDgfOwZyUc&revid=3D0B9vVTDWaFCqFVmR6Q1FsMExZTHVLcHpja3BpSC9ucGcve=
HdJPQ" width=3D"96" height=3D"94"><br></font></b></div><div><br></div></div=
></div></div></div></div></div></div></div></div></div></div></div></div></=
div></div></div></div></div>
_______________________________________________<br><a href=3D"mailto:fot@au=
tox.team.net" target=3D"_blank">fot@autox.team.net</a><br><br><a href=3D"ht=
tp://www.fot-racing.com" target=3D"_blank">http://www.fot-racing.com</a><br=
><br>Donate: <a href=3D"http://www.team.net/donate.html"; target=3D"_blank">=
m.net/archive" target=3D"_blank">http://autox.team.net/archive</a> <a href=
=3D"http://www.team.net/pipermail/fot"; target=3D"_blank">http://www.team.ne=
t/pipermail/fot</a><br>Unsubscribe/Manage: <a href=3D"http://autox.team.net=
/mailman/options/fot/levilevi@comcast.net" target=3D"_blank">http://autox.t=
eam.net/mailman/options/fot/levilevi@comcast.net</a><br><br><br></div></blo=
ckquote></div><br><div>
Bud Rolofson<br><br>Extreme Parts Racing=C2=A0(more than just a haircut)<br=
><br>71TR6 CC57365 (Good=C2=A06)<br>71 Spitfire MK IV Race=C2=A0Car #3<br>6=
9 Spitfire MK III (back=C2=A0up FE engine/dinghy car)<br>93 Minnie Winnie R=
ace=C2=A0Support Vehicle=C2=A0<br>77 Z-50A Hardly=C2=A0Davidson Honda Mini-=
Trail Bike (Triumph Pit=C2=A0Bike)
</div>
<br></div></div></div></blockquote></div>
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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