[Zmagnette] Stub stacks

Sat Nov 16 14:07:04 MST 2013

Arch;
I think that 's where I got the idea for my own box for my MGA way back 
when, and where I found out about the availability of a nice aluminum radio 
shack project chassis of the appropriate size. I'll do some digging around 
in the archives and see what I can find.
Once long ago I started on a project to cardex all my magazines for easier 
reference to old issues and subject matter therein. Never had the staying 
power to finish that kind of a project. Then one other time I offered all my 
magazines to a public library if they would microfilm them for me so I could 
store them in a shoe box. That never came to pass either..library said too 
expensive even if they couldn't get the books anywhere else.
That's just the start of my automotive library. Include Sports Car Graphic, 
MG Enthusiasts for 27 years, lots of years of Classic and Sports cars, and 
Sports and Classic Cars, 25 years of Competition Press & Autoweek,  Grass 
Roots Motorsport, British Car evolving into Classic Car Enthusiasts, MG 
World, and a few car club ones and MG Registers publications, and you see 
how my attic can be getting fullish. Of course I have a bookcase or two full 
of hardback real books on things MG and sports cars in general, tuning 
manuals for the XPAG motor from Nuffield folks, Automotive Engineering 
Handbook, (one of my favorites) books on handling and suspension setups, a 
wonderful little book by Sterling Mosses mechanic for many years Alf 
Francis, called The Racing Mechanic; AND about 50 DVD / VHS recordings of 
things automobile too including neat old races.
Have pity on the poor relatives when I die, sorting through this mess plus 
about 1500 diecast mostly, auto models.
Boy are they going to have a sale at my garage, before they ever start on 
the automobilia and car parts.

Wombat

-----Original Message----- 
From: Arch Boston
Sent: Saturday, November 16, 2013 9:49 AM
To: List for the Z Magnette Group - North America
Subject: Re: [Zmagnette] Stub stacks

Wayne,  My memory is not the greatest.... But, I am guessing '56, '57, '58. 
It was a relatively long detailed article showing how the metal box had to 
be fabricated  the whole bit.  When you are looking through that stack 
another great article contained the plans for a DIY Morgan.  Arch

Sent from my iPad

On Nov 16, 2013, at 7:51 AM, "Wayne & Isabel Hardy" <gwhardy at suddenlink.net> 
wrote:

> Do you have a clue as to when this article was done??? I have all the R & 
> Ts ever published up til about 7 years ago and I can sure look up the 
> article. I agree, it was a great mag when run by John Bond and his wife 
> Elaine but after CBS bought it  well I started to loose interest til I 
> finally just quit after R & T and Car & Driver both came under the same 
> ownership blanket.
>
> Wombat
>
> -----Original Message----- From: Arch Boston
> Sent: Friday, November 15, 2013 3:37 PM
> To: List for the Z Magnette Group - North America
> Subject: Re: [Zmagnette] Stub stacks
>
> Many years ago when MGAs were new cars Road and Track Magazine did a DIY 
> article on a ram air set up.  I no longer have the magazine.  Not the same 
> thing as stacks but related.  That was a terrific magazine in the 50's and 
> 60's.  Anyone else remember the article?  Arch
>
> Sent from my iPad
>
> On Nov 15, 2013, at 3:55 PM, monster at caverock.net.nz wrote:
>
>> On 16.11.2013 08:03, Allen Bachelder wrote:
>>> The K&Ns are
>>> slightly noisier than stock MGB air cleaners. I don't think that's
>>> because they're less efficient. My guess is that they provide less
>>> acoustic insulation.
>>
>> I'd agree with this - there is a lot of material in an oil-bath filter 
>> and a substantial metal container.
>>
>>
>>> Kelvin - your point is well-taken. Are you saying that even if
>>> everything else is spot-on, it's still not worthwhile to mess with
>>> velocity stacks for those of us who spend most of our lives below 3500
>>> rpm?
>>
>> Barney Gaylord has a section on stub-stacks at his website:
>> http://mgaguru.com/mgtech/power/pp104.htm
>>
>> Interesting commments from one of the MGA crew:
>>
>> "Just been for a 25 mile drive to road test them, and the throttle 
>> response, in top gear particularly, is very noticeable over 2000 rpm. It 
>> makes the 40 to 60 mph acceleration noticeably better and more fun to 
>> drive".
>>
>> Another had a book with figures for the factory installed stub 
>> stack/backplate on the MGB - made a 5% improvement and BMC were stingy 
>> with unnecessary parts!
>>
>> I would certainly agree that I wouldn't pop a pair of these on until 
>> you've got the ignition working well and SUs balanced, tappet clearances 
>> set etc.
>>
>> regards,
>> -- 
>> Robert
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