Ditto. I have had real good luck with the E cam and 1.7's. Even before the S trim. I've heard good and bad about both. Flip a coin! Either way you'll be happy. I personally stayed away from the 2031 do to 2 friends having a hard time with them. That and the E cam was e legal.
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See my car
HERE
93 GT Red/Grey
S trim, Edelbrock 6037 heads, E cam, BBK longtubes w/cats, 3 chamber Flowmasters, Cobra intake, Kirban fuel regulator, BBK 70mm t.b., 75mm Pro-M meter, 1.7 roller rockers, Mac upper and lower strut tower braces, FMS lowering springs, Factory Five upper and lower control arms, Speedware Cobra R 17X9 wheels, 3.73 gears & more.
DYNO=435.6 hp/405.1 tq at rear wheels.