Slant-6s were used in Australian-market valiants from the R-model ('61 sold as a '62 model down there) up through the VF model ('69). A different oil pump was used, with female pipe threads for inlet and output. The oil filter was remote-mounted on the RH inner fender in the R-model, above the water pump on the '62 S-model, and on the LH side of the block near the oil pan rail on subsequent models. The steering box mounted to the frame rail, not the K-frame. The brake master cylinder was straight ahead of the brake pedal, on the RH side of the firewall. In the case of power brakes, a remote booster was generally used: hydraulic line from the master cylinder over to a booster mounted on the RH inner fender or the RH side of the firewall, which operated on a "sub master" cylinder, which sent fluid to the brakes. This also allowed for interesting setups like boosted front brakes and unboosted rear brakes, which was done on some of the South African Valiants and might also have been on some Australian models.
Starting on the '70 VG model, the Hemi-6 (a non-slanted, upright six which was not actually a hemi) supplanted the Slant-6 in Australian-market Valiants, but those same VG (…VH, VJ, VK, CL, CM…) Valiants were exported with 225 Slant-6s to South Africa and some other countries.
Do some Google image searching. AP5 Valiant engine bay. VF Valiant engine bay. RV1 Valiant engine bay. SV1 Valiant engine bay. AP6 Valiant engine bay.
