TRH is a 454 truck motor and would carry about the same shame factor as you marrying a Presbyterian.

TRH 1973 Truck 454 240hp TH400 LS-4 VIN Z, L, 10, 20
TRH 1974 Truck 454 245hp TH400 LS-4 VIN Z, L, 10, 20
TRH 1978 Truck 454 250hp LF-8 VIN S, 30, fwd
TRH 1980 Truck 454 225hp LE-8 VIN W, 30, fwd

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