[DeTomaso] Passing emissions - or anyone got a carb for me?
Thomas Tornblom
Thomas.Tornblom at hax.se
Thu Oct 15 02:18:18 EDT 2009
A trick frequently used here to get some extra margin is to add alcohol
to the fuel.
If you have E85 nearby, add about 10-15% of that, or a couple of quarts
of alcohol based gas-line antifreeze.
Simple and effective.
Dave Londry skrev:
> I've got my 800cfm carb and HiPro cam within a hair of passing emissions
> testing now.
> (only because they've been pretty relaxed about the idle speed I've been
> coming in with)
> The basic issues are too much overlap and too big primaries, so I lose
> out on one of idle HC or CO.
>
> I don't feel like pulling the cam out and having to match the rest of
> the valve train.
> This one runs pretty nicely when I haven't brutalized the A/F ratios for
> testing.
>
> So, has anyone got on original Ford manifold and a Motorcraft kicking
> around they'd give me a deal on?
> Or Dave Nunn was suggesting an Edelbrock Performer (dual plane) manifold
> and Edelbrock 600cfm carb?
>
> I'd change for testing and put the 800 back on after.
> tks
> dave
>
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