Conrad,
Instead of messing with the JB Weld, I would suggest using threaded rod or,
if you want a harder grade, adding threads to a long bolt so that it
bottoms in the hole. You could then cut the bolt off and grind it flush to
have a better base to tap into.
YMHO, Jim
----- Original Message -----
From: "Conrad" <conrad@conrad.uk.net>
To: <shop-talk@autox.team.net>
Sent: Monday, March 10, 2003 9:44 AM
Subject: Jb weld
>
> Hi all. I'm not exactly sure what is on topic in here, appologies if
> this is not.
>
> I am converting a car (a lotus) from carbs to fuel injection. The
> throttle bodies I'm using have a slightly diffeerent bolt parttern to
> the carbs, such that there is enough 'meat' on the flanges, but the
> holes are too big and about half 'a hole' out, if you see what I mean.
>
> I'm thinking about filling the existing stud holes in the manifold with
> JB weld to effectively make flat undrilled flanges and then drilling and
> tapping that. This will mean the drill/tap will be working half in alloy
> and half in jb weld.
>
> The jb weld packet seems to suggest you can tap it - in reality does
> anyone know if this will work?
>
> Should I go for a course thread like UNC, or a finer one (metric or
> UNF)?
>
> Cheers,
>
> Conrad
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