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I am preparing for the rebuild of my 100 engine & I need your help with a f=
ew questions.=C2=A0My intent is to build a strong/fast street drivable engi=
ne. The block will be bored out .020" to 0.30" over & will have a Welch "fa=
st road cam".=C2=A0 I am planning on an aluminum head, steel crank & forged=
, light weight connecting rods.=C2=A0My first question is should I have the=
block boiled out & if I do will that require replacing the cam bearings?=
=C2=A0 I recall reading that they are not currently available. Is that stil=
l true?I was planning on a compression ratio in the range of 9.0 to 9.5. I =
notice that some suppliers only offer 8.6 as their high compression offerin=
g. What is the reason for this? Is it standard practice today to use piston=
s with 3 rings? Where is a good domestic source for pistons?
Gary Hodson
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<html><head></head><body><div class=3D"ydpc92ee0b7yahoo-style-wrap" style=
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2ee0b7yiv2369121233"><div style=3D"font-family:Comic Sans MS, sans-serif;fo=
nt-size:16px;" class=3D"ydpc92ee0b7yiv2369121233ydp676a8dc0yahoo-style-wrap=
"><div id=3D"ydpc92ee0b7yiv2369121233ydp676a8dc0yiv0508496476"><div style=
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e0b7yiv2369121233ydp676a8dc0yiv0508496476yahoo-style-wrap"><div dir=3D"ltr"=
>I am preparing for the rebuild of my 100 engine & I need your help wit=
h a few questions. </div><div dir=3D"ltr">My intent is to build a stro=
ng/fast street drivable engine. The block will be bored out .020" to 0.30" =
over & will have a Welch "fast road cam". I am planning on an alu=
minum head, steel crank & forged, light weight connecting rods. </=
div><div dir=3D"ltr">My first question is should I have the block boiled ou=
t & if I do will that require replacing the cam bearings? I recal=
l reading that they are not currently available. Is that still true?</div><=
div dir=3D"ltr" data-setdir=3D"false">I was planning on a compression ratio=
in the range of 9.0 to 9.5. I notice that some suppliers only offer 8.6 as=
their high compression offering. What is the reason for this? Is it standa=
rd practice today to use pistons with 3 rings? Where is a good domestic sou=
rce for pistons?</div><div dir=3D"ltr"><br></div><div dir=3D"ltr" data-setd=
ir=3D"false">Gary Hodson</div></div></div></div></div></div></body></html>
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