BTW, do not use flat washers or lockwashers. Brass nuts, when new and
properly torqued, lock in place naturally. Washers will make it easier for
the nuts to loosen. I suppose you can use lockwashers, but I hate using
them if they weren't there originally.
Alan
'52 A90
'53 BN1
'64 BJ8
On Wed, May 13, 2009 at 5:45 PM, Alan Seigrist <healey.nut@gmail.com> wrote:
> Bob -
>
> I'm wondering, are your down pipe flex hoses in good shape? If not that
> might be causing the unscrewing.
>
> I use brass nuts only, with anti-seize, torqued down about 40 ft lbs. The
> trick is to ease them on in succession like when you put on a wheel or a
> cylinder head, which will help center and compress the gasket evenly. I
> also ALWAYS use brand new brass nuts and gaskets every time I do this. I
> also replace the studs if the show signs of corrosion. throw away any old
> brass nuts you have.
>
> Doing it this way I've never had a problem... last time I tightened my nuts
> on the BJ8 was probably in 1995.
>
> Alan
>
> '52 A90
> '53 BN1
> '64 BJ8
>
>
>
> On Tue, May 12, 2009 at 10:11 PM, Bob Spidell <bspidell@comcast.net>wrote:
>
>> Listers,
>>
>> I've had an ongoing problem with sealing my BJ8's exhaust manifold to the
>> downpipes (the nuts keep loosening and/or the gaskets blow out). I now
>> believe the problem is due, at least in part, to my using flatwashers under
>> the brass nuts (the holes on the downpipe flanges are too big for the nuts
>> alone). What do others use to get a good, secure connection here? Brass
>> nuts alone? Brass nuts with lockwashers (my probable next attempt)? Steel
>> nuts with or without washers?
>>
>> Any and all suggestions welcome.
>>
>> Bob
>> --
>> *******************************************************************
>> Bob Spidell San Jose, CA bspidell@comcast.net
>>
>> *******************************************************************
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