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140/164 Series General Forum for the Volvo 140 and 164 cars |
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Back firing through the carbViews : 851 Replies : 3Users Viewing This Thread : |
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#1 |
New Member
Last Online: Feb 22nd, 2015 21:54
Join Date: Feb 2013
Location: Mold
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Hi i am having trouble getting the car to run smoothly, it is backing firing through the carburettor, i found a crack in the mainifold which has been welded, new gaskets fitted, checked the compression all ok, ( fitted with single stromberg) altering the timing on the dizzy does not seem to make much difference, any ideas greatly recived
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#2 | |
I've Been Banned
Last Online: Mar 24th, 2020 22:42
Join Date: Jun 2013
Location: Glasgow
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#3 | |
Experienced Member
Last Online: Today 08:54
Join Date: Jun 2007
Location: L/H side
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#4 |
New Member
Last Online: Feb 22nd, 2015 21:54
Join Date: Feb 2013
Location: Mold
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Thanks for the advice, I have tracked it down to the camshaft. The lobe had worn away on number 4 cylinder exaust valve, and the exhaust fumes were escaping out of the inlet valve. Got a secondhand cam from Amazon cars, it had done 4,000 miles. The camfollwers and oil pump/dizzy drive was hard to get out, they had carboned up a bit, i damaged the drive in the process, however, Amazon cars had a spare one.
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