71 302 2v paint color

I just sandblasted the air cleaner on my 71 302 and I'm looking for the correct blue paint.  Everything I can find says that I should use duplicolor 1606 (ford dark blue).  But that color seems darker that it was and darker than the engine is.  I dont know if it was incorrectly painted in the past, but all the pictures of 71-73s seem to be lighter.  It almost looks like duplicolor 1601 (ford blue).  Anyone know what it should be?  

I dont know what the part no. is but the color is called ford corperate blue and is inbetween the ford light blue and dark blue.  

According to this article from Mustang Monthly It should be Corporate Blue, the darker blue.

1971-'73

"We are grouping these model years together because they have a lot incommon. When the Mustang grew in size for 1971, it needed greateramounts of power. Standard power was the 250ci six, as the the smaller200ci six was deleted from the lineup. Base V-8 power remained thesame--a 302ci with two-barrel carburetion. From 1971-'73, you couldexpect to find a 351 Cleveland two-barrel underhood, although there isevidence that 351 Windsor 2-Vs were installed in some cars. If you hadto have four-barrel power, Ford sent you a 351 Cleveland with Autolite4300 carburetion for 1971, followed by Motorcraft 4300 atomization in1972-'73. In 1971, when Ford fitted the 351 Cleveland with a mechanicalhigh-performance camshaft and 4300D Autolite carburetion, it became theBoss 351 with 330 hp.

The last year for a big-block Mustang was 1971, the year of the385-series fat-block 429 Cobra Jet. With a mechanical camshaft andHolley carburetion, it became the 429 Super Cobra Jet. Both were fittedwith cast-aluminum valve covers.

As you might have guessed by now, all these '71 Ford engines have onething in common: They're all supposed to be the darker Ford CorporateBlue.

For 1972, Ford dropped most of its heavyweight powerplants. The Boss 351disappeared, replaced for a short time by the 351 High Output with lowercompression. In 1973, the era of mighty Mustangs drew to a close, withsnappy 351 Cleveland power remaining a valuable option. The Ford enginecolor that year was again Ford Corporate Blue, with all engine hardware,including valve-cover bolts, in the blue hue."