Subject: [Spridgets] VP bearing I.D.?

From: "AOL Mail Update \(Terms & Policy\) via Spridgets" <[email-masked]>
Date: Tue, 12 Nov 2024 00:18:18 +0000 (UTC)

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Gang,I'm inspecting a 948 which by all outward appearances was a SCCA regio=
nal motor.=C2=A0 I recognize a TON of the things done inside and it's defin=
itely not stock!=C2=A0 =C2=A0I believe Winners Circle may have been the bui=
lder.=C2=A0 Winners Circle's engine builder passed away a number of years a=
go so I have no person to explain the mods to do that can be verified.I wan=
ted to find out the main & rod bearing sizes .=C2=A0 So I popped off a rod =
cap and a main cap to read the bearings.=C2=A0 No bearing size stamped on t=
he back side of the bearings.=C2=A0 VP's logo is clearly there and numbers =
on either end of the shells but not one indication as to the bearing being =
standard or undersized.The rod bearing is stamped=C2=A0 2783 on one end whi=
ch is a BMC A series rod bearing general shell number.=C2=A0 The other end =
is stamped 2A 690.=C2=A0 That's it!Main bearing has 4105 on one end & AEA 3=
08 on the other end.=C2=A0=C2=A0Now!=C2=A0 I simply pulled 2 bearing caps s=
imply to see what they looked like and find sizes so if I thought it needed=
 fresh bearings , it would get them.=C2=A0 =C2=A0The main bearings looks br=
and new with no run time.=C2=A0 Rod bearing looks like possibly 1 race if t=
hat.=C2=A0 The stuff in this motor looks like the motor was built 6 months =
to a year ago!=C2=A0 Outside looks like it's been sitting around for 30+ ye=
ars. Block was painted black.=C2=A0 Cylinder head ( with Champion N9Y plugs=
)=C2=A0 was never painted.=C2=A0=C2=A0Since this motor looks very much like=
 it has a "red" crankshaft in it along with all the period hardware.=C2=A0 =
=C2=A0Trying to keep it from hurting itself ...if I fire it up.....Chuck
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<html><head></head><body><div class=3D"ydp5f40d44eyahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px=
;"><div>Gang,</div><div>I'm inspecting a 948 which by all outward appearanc=
es was a SCCA regional motor.&nbsp; I recognize a TON of the things done in=
side and it's definitely not stock!&nbsp; &nbsp;I believe Winners Circle ma=
y have been the builder.&nbsp; Winners Circle's engine builder passed away =
a number of years ago so I have no person to explain the mods to do that ca=
n be verified.</div><div>I wanted to find out the main &amp; rod bearing si=
zes .&nbsp; So I popped off a rod cap and a main cap to read the bearings.&=
nbsp; No bearing size stamped on the back side of the bearings.&nbsp; VP's =
logo is clearly there and numbers on either end of the shells but not one i=
ndication as to the bearing being standard or undersized.</div><div>The rod=
 bearing is stamped&nbsp; 2783 on one end which is a BMC A series rod beari=
ng general shell number.&nbsp; The other end is stamped 2A 690.&nbsp; That'=
s it!</div><div>Main bearing has 4105 on one end &amp; AEA 308 on the other=
 end.&nbsp;&nbsp;</div><div>Now!&nbsp; I simply pulled 2 bearing caps simpl=
y to see what they looked like and find sizes so if I thought it needed fre=
sh bearings , it would get them.&nbsp; &nbsp;The main bearings looks brand =
new with no run time.&nbsp; Rod bearing looks like possibly 1 race if that.=
&nbsp; The stuff in this motor looks like the motor was built 6 months to a=
 year ago!&nbsp; Outside looks like it's been sitting around for 30+ years.=
 Block was painted black.&nbsp; Cylinder head ( with Champion N9Y plugs)&nb=
sp; was never painted.&nbsp;&nbsp;</div><div>Since this motor looks very mu=
ch like it has a "red" crankshaft in it along with all the period hardware.=
&nbsp; &nbsp;</div><div>Trying to keep it from hurting itself ...if I fire =
it up.....</div><div>Chuck</div></div></body></html>
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