Question about Triumph Tr 7

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Where is number one on distribor cap? which is cylinder #1 ? On 1980 triumph TR7

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I am not familiar with triumphs but here is a general way to find cylinder #1. remove spark plug bring piston #1 up to top dead center on the compression stroke and see where the distributor rotor is pointing and match to your dist cap

Posted on Jul 15, 2009

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Looking from above, it's top right rear, towards the engine block!, same as the spitfire,& Vittess. Lucky git for having one! The easiest way to find out, is to remove the spark plug, turn the engine over with a socket on the bottom pully of he engine, put your finger in the plug hole until No 1 it at the top of it's stroke with the rotor arm fitted, then fit the distributer cap, There is only one way way it should fit, if not rotate it 180 degrees, and try again. To set the other firing line, follow the same instrusctions above, but I think it's fire 2413.



Posted on Jul 15, 2009

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