67 vapor lock?

["jsadowski" <jsadowski@xxxxxxx>]

There is supposed to be a piece of insulation wrapped in aluminum foil located there from the factory. Often it falls apart from age or someone removes it because they don't understand why its there. Thats the reason it was installed, to keep some of the heat from soaking up into the carb.

John

----- Original Message -----

From: danny owen

To: mailing-list@xxxxxxxxxxxxxxxx

Sent: Saturday, July 06, 2002 1:50 AM

Subject: Re: IML: 67 vapor lock?

>Mike,

An old trick that I seem to remember street racers doing was to put every
day house insulation  between the intake and the pan. Don''t know if this
would help in your case, but it would be simple and cheap to try.
Danno

>Hot restart is also a problem, however its never leeft
>me stranded.  The larger irritant is the rough idle.
>I've thouht of cutting a spacer out of 1/2" plywood
>and sticking it between the carb and manifold...also,
>Steve the Albanian recommended an aluminum intake
>manifold, which his '75 (Still for sale BTW, to anyone
>interested, and a very finely maintained vehicle) has.
>
> > improvement, your problem is somewhere else.  How
> > about that heat riser valve?
>
>Per Dick B's instruction, my heat riser valve is
>permanently turned to the "off" position.  So this is
>not the issue.
>
>On my trip up to NY, I was sitting in stopped traffic
>here in D.C., temperatures approaching 100 degrees,
>full humidity, windows up and A/C on, Imperial in
>drive, and the temp gauge never climbed above the 1/3
>mark.
>
>While sitting in stopped traffic waiting to get into
>the Tom Petty concert in my friend's '95 Saturn, about
>75 degrees out, with the windows down, no A/C, the
>temp gauge was closing in on 3/4....nearly the bad
>zone.  Had to crank the heater full blast to keep the
>engine cool.  Should have taken the Imp.  ;)
>
>=====
>--Mike Pittinaro
>
>Piles of pitted chrome
>Hubcaps along the floorboard
>My junkyard-bedroom
>
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