[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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