If you chase the threads in the head with a tap and make sure the threads on the stud on clean, you can just screw them in by hand till they bottom out. 

Cheers, 

Jeff

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Jim Felder
Sent: Friday, May 20, 2016 1:41 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Exhaust manifold studs, how to tighten them into a block...

If you don't want to use locktite, just use regular pipe dope (for PVC
pipe) instead. It's good temporary glue for studs.

Jim

On Fri, May 20, 2016 at 2:13 PM Neil N <musomuso@gmail.com> wrote:

> would blue loctite or star washers help keep the two nuts from turning?
> Wobble extensions might also help here?
>
> Are you certain there's no bolt remnants in the offending stud holes?
>
> On 5/20/16, Don Hanson <dhanson928@gmail.com> wrote:
>
> >....  I can get to all but
> > two of  the exhaust manifold studs with box wrenches, but the two in 
> >the  central cylinders I can only reach with multiple extensions and 
> >deep  sockets while the motor is in the van....So...When I try to install those
> > two central studs....It don't woik!    I've been counter-tightening two
> of
> > the nuts, then running the stud down into the head, but I can't make 
> > it
> get
> > tight...the two nuts will work down the stud and the threads on the 
> > stud won't thread far enough into the block to hold well...I
>
>
> --
> Neil n
>
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>
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>
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