Actually, I believe all Olds 403's were blue...not gold. At least, the one in my Pace Car is blue. What I don't know is if Pace Car 403's had more HP than the stock 185. Some interesting stuff on the 403 from
www.442.com ...
"The 403 was made from 1977 to 1979 and used across the Buick, Olds, Pontiac and Cadillac vehicle lines. It was also used in other applications like motor homes, boats and some industrial applications. It was sort of meant to replace the previous use of big block engines in the BOP line. Stock specs on a 1977-79 403 are: 185hp@3600 RPM, 320ft/lbs torque @2200 RPM, 4.351 x 3.385 bore/stroke, 8.0:1 compression ratio.
Olds Sources For 403s
1977 Cutlass, Vista Cruiser, Delta 88, Custom Cruiser, 98, Toronado, Electra 225, Bonneville
1978 Delta 88, Custom Cruiser, 98, Toronado
1979 Custom Cruiser, 98 "