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Re: [Shop-talk] Studs vs. Bolts

To: Jeff Scarbrough <fishplate@gmail.com>
Subject: Re: [Shop-talk] Studs vs. Bolts
From: Douglas Shook <dirtbeard@gmail.com>
Date: Mon, 9 Mar 2026 15:29:52 -0700
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I think you are good with the bolts. The worry of replacing studs with
bolts mostly is concerned with aluminum blocks where one could wear out the
threads if it required frequent removals. I do not think either one is a
consideration in your case.

As you said, a little trickier, perhaps getting the gasket, pump and holes
lined-up, but even that seems very doable.

On Mon, Mar 9, 2026 at 1:49=E2=80=AFPM Jeff Scarbrough <fishplate@gmail.com=
> wrote:

> I'm putting a Triumph Spitfire 1500 engine together, and the fuel pump I
> have requires a spacer.  I've lost the studs that were on the car, and a
> 5/16-24 x 1-3/4 stud is scarce around here.
>
> I can easily get a 5/16-24 x 1-1/2" bolt which should have the same
> effective length so as not to hit the camshaft.  Is there any practical
> difference between a stud and a bolt in this application, other than the
> slight challenge of keeping all the parts lined up while I get the bolt
> started?
>
>  -- Jeff
> _______________________________________________
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>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">I t=
hink you are good with the bolts. The worry of replacing studs with bolts m=
ostly is concerned with aluminum blocks where one could wear out the thread=
s if it required frequent removals. I do not think either one is a consider=
ation in your case.</div><div class=3D"gmail_default" style=3D"font-size:sm=
all"><br></div><div class=3D"gmail_default" style=3D"font-size:small">As yo=
u said, a little trickier, perhaps getting the gasket, pump and holes lined=
-up, but even that seems very doable.</div></div><br><div class=3D"gmail_qu=
ote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Ma=
r 9, 2026 at 1:49=E2=80=AFPM Jeff Scarbrough &lt;<a href=3D"mailto:fishplat=
e@gmail.com">fishplate@gmail.com</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex"><div dir=3D"auto">I&#39;m putting a Triump=
h Spitfire 1500 engine together, and the fuel pump I have requires a spacer=
.=C2=A0 I&#39;ve lost the studs that were on the car, and a 5/16-24 x 1-3/4=
 stud is scarce around here.<div dir=3D"auto"><br></div><div dir=3D"auto">I=
 can easily get a 5/16-24 x 1-1/2&quot; bolt which should have the same eff=
ective length so as not to hit the camshaft.=C2=A0 Is there any practical d=
ifference between a stud and a bolt in this application, other than the sli=
ght challenge of keeping all the parts lined up while I get the bolt starte=
d?</div><div dir=3D"auto"><br></div><div dir=3D"auto">=C2=A0-- Jeff</div></=
div>
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