250 has smaller lifter panels on passenger side like this picture below of a 250 also looking from the pass side you have front to back
250 - oil filter - fuel pump - engine mount
292 - oil filter - engine mount - fuel pump
292 has larger side panels 5.5" tall
__________________
1967 Factory short bed - Old school
'71 - 350 / 4bolt / 487 heads / Edelbrock C3BX
Muncie M-22 4 speed / Hurst Comp plus
Factory 12 bolt posi 3.73 / 255-70-15
Smoothed firewall / Factory cowl induction
Power disc brakes / power steering / 3.5-5" drop