How deep the bushing goes will still depend on how tight the thread in the
manifold was made. If it was done conservatively then the bushing won't go in
very far.
Duke, buy the taps, as well as a couple of cast-iron and brass 1/2" and 3/8"
female thread fittings. Then you can practice on those and when you're
comfortable with the process, go and do the manifold. Just don't forget to use
a suitable thread cutting fluid. The cast aluminum will cut a lot easier than
either the brass or the cast iron.
Cheers,
Theo
> -----Original Message-----
> From: tigers-bounces@autox.team.net [mailto:tigers-
> bounces@autox.team.net] On Behalf Of CoolVT@aol.com
> Sent: April 4, 2011 6:04 PM
> To: wsamouce@kc.rr.com; tigers@autox.team.net
> Subject: Re: [Tigers] Stinkin NPT adapters....@ wits end.
>
> Those should be common plumbing bushings. HD or Lowes or any plumbing
> supply place will have them. Bring yours for comparison. Even better,
> ask if
> any of them have a "flush bushing" in the size that you need. A good
> plumbing supply store might be the best bet for the flush bushing. As
> the name
> suggests, the bushing, when installed, will set flush with the deck or
> slightly below or a fraction above....basically flush.
> Mark
>
>
> In a message dated 4/4/2011 6:59:02 P.M. Eastern Daylight Time,
> wsamouce@kc.rr.com writes:
>
> Hello again,
>
> So I have been waiting on two adapters so I can get the intake
> manifold
> bolted down, they arrive and are completely the wrong size.
>
> I run down to the auto parts store and get some that fit (should have
> done
> that in the first place).
>
> Here is my problem, they will not thread flush with the manifold. The
> adapter for the water temp sensor has to be fully seated for the
> sensor to
> clear the distributer.
>
> The heater return looks just stupid.
>
> http://i796.photobucket.com/albums/yy249/samouce/Tigers%20Teeth/006-
> 4.jpg
>
> The fittings are NPT 3/8 X 1/8 and 1/2 X 3/8. Due to the NPT flair,
> then
> will not screw in all the way. Who makes a fitting that will fit
> flush?
> Can
> find nothing in Summit or Jegs.
>
> Thanks for any help!
>
> Duke
> B382002037
> _______________________________________________
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