Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Oldsmobile Custom Cruiser
Table title:
Powertrain
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Engine </th><th colspan=1 rowspan=1 > Configuration </th><th colspan=1 rowspan=1 > Year(s) produced </th><th colspan=1 rowspan=1 > Output </th><th colspan=1 rowspan=1 > Carburetor </th><th colspan=1 rowspan=1 > Transmission </th></tr>
<tr> <td colspan=1 rowspan=1 > Oldsmobile V8 </td><td colspan=1 rowspan=1 > 5.7 L (350 cu in) OHV 16V V8 </td><td colspan=1 rowspan=2 > 1977-1978 </td><td colspan=1 rowspan=1 > 170 hp (127 kW)275 lb⋅ft (373 N⋅m) </td><td colspan=1 rowspan=2 > 4bbl </td><td colspan=1 rowspan=6 > THM200 3-speed automatic </td></tr>
<tr> <td colspan=1 rowspan=1 > Oldsmobile V8 </td><td colspan=1 rowspan=1 > 6.6 L (403 cu in) OHV 16V V8 </td><td colspan=1 rowspan=1 > 185 hp (138 kW)320 lb⋅ft (434 N⋅m) </td></tr>
<tr> <td colspan=1 rowspan=1 > Oldsmobile Diesel V8 (LF9) </td><td colspan=1 rowspan=1 > 5.7 L (350 cu in) OHV 16V V8 diesel </td><td colspan=1 rowspan=1 > 1978-1979 </td><td colspan=1 rowspan=1 > 120 hp (89 kW)220 lb⋅ft (298 N⋅m) </td><td colspan=1 rowspan=1 > Indirect injection (diesel) </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Oldsmobile V8 (350) </td><td colspan=1 rowspan=1 > 5.7 L (350 cu in) OHV 16V V8 </td><td class="highlighted"  colspan=1 rowspan=1 > 1979-1980 </td><td class="highlighted"  colspan=1 rowspan=1 > 160 hp (119 kW)270 lb⋅ft (366 N⋅m) </td><td colspan=1 rowspan=3 > 4bbl </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Oldsmobile V8 (403) </td><td colspan=1 rowspan=1 > 6.6 L (403 cu in) OHV 16V V8 </td><td class="highlighted"  colspan=1 rowspan=1 > 1979 </td><td class="highlighted"  colspan=1 rowspan=1 > 175 hp (130 kW)310 lb⋅ft (420 N⋅m) </td></tr>
<tr> <td colspan=1 rowspan=1 > Oldsmobile V8 (307) </td><td colspan=1 rowspan=1 > 5.0 L (307 cu in) OHV 16V V8 </td><td colspan=1 rowspan=1 > 1980 </td><td colspan=1 rowspan=1 > 150 hp (112 kW)245 lb⋅ft (332 N⋅m) </td></tr>
<tr> <td colspan=1 rowspan=1 > Oldsmobile LF9 V8 </td><td colspan=1 rowspan=1 > 5.7 L (350 cu in) OHV 16V V8 diesel </td><td colspan=1 rowspan=1 > 1980-1985 </td><td colspan=1 rowspan=1 > 105 hp (78 kW)205 lb⋅ft (278 N⋅m) </td><td colspan=1 rowspan=1 > Indirect injection (diesel) </td><td colspan=1 rowspan=1 > 1980: THM200 3-speed automatic 1981-1985: THM200-4R 4-speed automatic </td></tr>
<tr> <td colspan=1 rowspan=2 > Oldsmobile V8 (307) </td><td colspan=1 rowspan=2 > 5.0 L (307 cu in) OHV 16V V8 </td><td colspan=1 rowspan=1 > 1981-1984 </td><td colspan=1 rowspan=1 > 140 hp (104 kW)240 lb⋅ft (325 N⋅m) </td><td colspan=1 rowspan=2 > 4bbl </td><td colspan=1 rowspan=2 > THM200-4R 4-speed automatic </td></tr>
<tr> <td colspan=1 rowspan=1 > 1985-1990 </td><td colspan=1 rowspan=1 > 140 hp (104 kW)255 lb⋅ft (346 N⋅m) </td></tr>
</table>
Question:
What year did the Oldsmobile engines 350 and 403 offered 160 hp and 175 hp ?
Answer:
In 1979, the Oldsmobile engines 350 and 403 offered 160 hp and 175 hp, respectively.