[Roadsters] body-to-muffler gapping, 1" required

[Gary and Cindy Ault]

Dan,

My recollection is that the heat shields on factory mufflers, which are 
spot-welded to the muffler body at the mid-plane, are thin steel.

Gary

----- Original Message ----- 
From: "Dan Kroninger" <d_kroninger at hotmail.com>
To: "Tim" <tputland at charter.net>
Cc: <datsun-roadsters at autox.team.net>; "O'Farrell, Fergus P (AS)" 
<Fergus.OFarrell at ngc.com>
Sent: Tuesday, April 10, 2012 12:19 PM
Subject: Re: [Roadsters] body-to-muffler gapping, 1" required


> The heat shield should be curved, and probably made of aluminum.  This 
> should
> both collect the heat before getting to the bottom of the car, as well as 
> help
> dissipate it.
>
> Sent from my iPhone
>
> On Apr 10, 2012, at 12:14 PM, "Tim" <tputland at charter.net> wrote:
>
>> my muffler has a heat shield on it and that is basically right up against
> the body. I have not noticed any issues and have sat in Chicago interstate
> traffic in this Roadster in teh middle of summer for hours barely moving.
>>
>> Am I not having melting issues becuase of the heat shield? Seems awful 
>> close
> (touching the body in one spot) to me. Am I just lucky?
>> tim
>>
>>
>> On Tue, Apr 10, 2012 at 10:33 AM, O'Farrell, Fergus P (AS) wrote:
>>
>>> Not to belabor this painful subject, but I also had the "blister the
> carpet"
>>> scenario when I had exhaust work done way back when.
>>> Luckily, there was a roadster-folk get-together soon after, and when I
>>> mentioned it, Les Cannaday promptly said "Minimum 1" gap required, go 
>>> back
> and
>>> get it done ASAP".
>>>
>>> The muffler shop did it no problem, no charge.
>>>
>>> Never knew how lucky I was until the video of recent events.  While 
>>> rolling
> it
>>> is probably no big deal, but stop-and-go traffic means a lot of time to
> heat
>>> soak.
>>> (same thing we found with composite driveshafts at my old job, it wasn't
> high
>>> performance driving that would overheat them, it was the drive-up window
> at
>>> McD's)
>>>
>>> Peter, I have an old center console in the garage, although it is 
>>> without
> the
>>> foam (tin only).  I recovered mine in leather without the foam (using a
> pair
>>> of women's leather pants from the Goodwill store, cheapest upholstery
> material
>>> I've ever bought!) so let me know if you want it, or if you want to come
> down
>>> we can recover it some weekend.
>>>
>>> Fergus O
>>> PS: saw a Fiat 850 coupe on the freeway on Saturday, and fell in love.
>>> Obscenely tiny, makes a roadster look like  '64 caddy !
>>> ________________________________________
>>>
>>> datsun-roadsters at autox.team.net
>>>
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>> ________________________________________
>>
>> datsun-roadsters at autox.team.net
>>
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> m
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>
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