Here you are:
http://dougbraun.com/carbpix/
One complication was the throttle linkage: I was lucky and came
across the parts that the non-US MK IV's
used, which were never on any Spit imported to the US. Also, the
carbon canister complicated things a bit. In the non-US cars, a short
hose went directly from the breather valve on the manifold to the
valve cover. I had to put a Tee in that line to hook up the carbon
canister purge line, and the result is a bit kludgy-looking.
BTW, the MV-IV era spits never really had "positive crankcase
ventilation". There was a connection from the valve cover to the
carbs or manifolds to suck out the blowby, but there is nothing to
allow fresh air into the crankcase to replace it. You just end up
with a slight vacuum in the crankcase, and air being sucked in through
various nooks and crannies. Mabye they improved this on the 1500
models; I don;t really know.
Doug
On Sun, Mar 20, 2011 at 10:44 AM, alan <frogeye@cox.net> wrote:
> Doug,
>
> I am working with a 1977 Midget and plan to convert over to twin su's
> shortly
> Can you possibly provide any pictures of your engine bay and setup for me
>
> These I have here now are the 1 1/4" su's
>
> Thanks in advance
>
> Alan
>
> -----Original Message-----
> From: spitfires-bounces@autox.team.net
> [mailto:spitfires-bounces@autox.team.net] On Behalf Of Douglas Braun
> Sent: Sunday, March 20, 2011 10:25 AM
> To: spitfires@autox.team.net
> Subject: Re: [Spits] (no subject)
>
>
> So, somebody else is still here!
>
> My car lives on: last week I reinstalled the twin SU carbs on my Spit. I
> had removed them and reinstalled the stock Stromberg a few years ago to
pass
> an inspection, and had never gotten around to putting them back on. Then
> yesterday I did the annual Removal of the Hardtop, and now it's hanging
from
> the garage ceiling.
>
> Doug Braun
> '72 Spit
>
> On Sun, Mar 20, 2011 at 8:23 AM, Dave Simpson <dr_simpson@live.com> wrote:
>> test
>> David R Simpson
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