Greg,
I don't know if coating them is common practice, but they do have a tendency to
rust if you don't,
so while, it not only makes them look nicer, they might also last alot longer
too, at least that's
what I'm hoping.
- Bryan
>X-Authentication-Warning: triton.dnai.com: cartman owned process doing -bs
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>To: Bryan Vandiver <Bryan.Vandiver@eng.sun.com>
>cc: spridgets@autox.team.net
>Subject: Re: Maniflow header installed, BUT....
>MIME-Version: 1.0
>
>Hi Bryan,
>
>It is a cast aluminum, so I'll try grinding some of the material off. I
>didn't coat the exhaust header with anything, is that a recommended
>practice? I was planning on putting some kind of small heat shield
>between the manifolds, hopefully I'll be able to grind off enough material
>to be able to do that. Thanks again!
>
>Greg Gowins
>Dublin, CA
>'69 Sprite
>
>On Wed, 15 Sep 1999, Bryan Vandiver wrote:
>
>> Greg,
>>
>> I'm glad to here that one of my suggestions worked :-)
>>
>> I am using a dellorto sidedraft (basically the same as a weber DCOE) with my
>maniflow LCB
header.
>> I assume your intake manifold is made of cast aluminum. The metal is
>probably thick enough that
you
>> can grind off enough from the intake manifold so that it doesn't contact the
>header, and you
really
>> don't want them touching anyway because of the heat that would be
>transferred.
>>
>> BTW - did you coat the header with anything prior to installing, or just
>leave it bare metal?
>> I used the 'stainless steel' exhaust coating from Eastwood on mine, and sor
>far it seems to be
>> holding up pretty well. The stuff is really thick and has to be brushed on,
>and 'cures' the
first
>> time you run the engine with it. The other 'high temperature' aluminum
>exhaust paint that I used
on
>> the rest of the system hasn't faired as well, and is bubbling in several
>areas.
>>
>> Regards - Bryan
>> >To: "Spridgets List" <spridgets@autox.team.net>
>> >Subject: Maniflow header installed, BUT....
>> >MIME-Version: 1.0 charset="iso-8859-1"
>> >X-Priority: 3 (Normal)
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>> >
>> >Hello fellow listers,
>> >
>> >Thanks again for all of the recommendations on getting my Maniflow header
>> >installed. I finally got it in on Friday, using Bryan's pull the head
>> >method. Since I had to put new head studs in, it wasn't too much of a
>> >hassle. It took a little wiggling, but the header dropped right into place
>> >without having to rock the engine or cut any metal around the original
>> >exhaust tube hole. Now here comes the but...
>> >
>> >I put everything back on the engine, and when I started the engine, she
>> >fired right up. But instead of idling, the RPMs kept rising, quickly. Shut
>> >everything down, checked the obvious, like the throttle return spring or a
>> >sticking choke. Everything checked out fine. A little more research, and I
>> >was leaking gas below the intake manifold ports on the head. No prob, I
>> >must not have tightened the bolts down enough. Rechecked and they were
>> >fine. A little more looking, and I realized that the middle tube of the new
>> >exhaust manifold was supporting the intake manifold keeping it from seating
>> >down all the way!!! It was short of seating on the gasket by about a 1/8 of
>> >an inch on the bottom of the intake port.
>> >
>> >I have a Weber DFV carb (just like a DGV, only different) and am wondering
>> >what my options are right now. Are there any spacers I can get to push the
>> >intake manifold away from the head a bit, ala the SU's? Or am I stuck
>> >getting a new manifold, in which case it would cause me to have no choice
>> >but to upgrade to DCOEs...<grin> Any help is much appreciated. Thanks!
>> >
>> >Greg Gowins
>> >'69 Sprite
>> >Dublin, CA
>> >
>> >PS Sorry I missed the event in Palo Alto. It sounded like a blast. I was
>> >planning on attending, but it was opening weekend of soccer season, and at
>> >the end of the game, my only thoughts were on getting in the hot tub back at
>> >the apartments! I'm getting old WAY too quick...
>> >
>> >
>> >
>>
>>
>
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