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200 Series General Forum for the Volvo 240 and 260 cars |
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Interference engines or not?Views : 6536 Replies : 11Users Viewing This Thread : |
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Jun 25th, 2011, 01:28 | #11 |
VOC26332
Last Online: Jun 17th, 2024 09:01
Join Date: Nov 2006
Location: Leigh, Lancs
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I have had a tendency to assume that all B200E engines in the 240's are the same - but it seems they are not.
I have two owner manuals for 240's - one for the 1988 model year and one for the 1990 model year. Compared them today re B200E specs. On comparing the two manuals there appear to be several differences relating to B200E engines of different years. 1/ maximum torque revs 2/ compression ratio 3/ recommended fuel octane requirements There may be other differences too. Colin
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'82>'95 '76 244GL Auto: '95>'02 '86 360GLT: '02>'06 '92 440Xi: '04>'12 '88 240GL B200E Auto: '06>'12 '88 240GL B200E Man: '11>'19 V70 2.5D Auto Volvo since '82. |
Jun 25th, 2011, 17:45 | #12 |
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Last Online: Jan 21st, 2018 16:48
Join Date: Nov 2010
Location: Nottingham
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Normally if there are cut-outs in the piston crowns it's a sign that it is an interference engine - the recesses are because the valves are opening early and closing late, possibly with significant 'overlap' in the timing. The point being that if your belt snaps when a valve is fully open there will not be sufficient room when the piston moves up to the top of its stroke even with the recesses.
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