If I remember correctly, the 292 block is taller but the water pump would be in the same location
as the 230/250 to be centered with the radiator/core support. The bypass could be installed to
make up the difference. My 66 C20 w/292 also had a much larger radiator than a C10 with a 250.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine