Fuel or ignition

Engine Oily Bits, Ignition, Fuelling, Cooling, Exhaust, etc.
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simon.williams
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Fuel or ignition

#1 Post by simon.williams »

I’m having fun driving the car. Pulls really well, nicer to drive in the higher gears than the lower range. The car likes to go at a brisk speed and sounds great. One or two bedding in issues, the engine seems to want to cut out at low speeds after its had a run. Starts again with a bit of choke but revs high. I think thats probably injection and air set up rather than ignition. The ignition light did come on once or twice when still moving in low gear which made me think might be that. I’ll change the plugs tomorrow (they may be 20 years old, although in my defense they looked good!).

Also changed master cylinder today as had a sinking pedal. I really don’t like bleeding brakes, but at least its done!
1973 Carmine red 2500PI (work in progress)
1975 Mk 2 Stag (white)
Mike Stevens
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Location: South Oxfordshire, UK

Re: Fuel or ignition

#2 Post by Mike Stevens »

The IGN warning light on just means that the voltage from the alternator is lower than that from the battery.

Slipping fan belt (maybe a 1088 was too long!), Alternator OK? IF needs be they are easy to work on if you can get the bits, or maybe it just needs new brushes. Or perhaps a loose connection somewhere?

I bet it gets a lot of interest from the 'locals'!
(South Oxfordshire)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover which is now back to its original light green!)
simon.williams
Senior Member
Senior Member
Posts: 176
Joined: Mon Jan 20, 2025 11:30 am

Re: Fuel or ignition

#3 Post by simon.williams »

Full marks, thanks Mike, fan belt had loosened up. Quick fix at least. Yes, you don’t see many (if any) big triumphs on the roads where I am. I know there are members around lyon.

Lots of other classics though, and many weekend meets, where I reckon I will be the only PI. Even Stags are few and far between.
1973 Carmine red 2500PI (work in progress)
1975 Mk 2 Stag (white)
Mike Stevens
Site Admin
Site Admin
Posts: 3632
Joined: Mon May 08, 2006 9:50 pm
Location: South Oxfordshire, UK

Re: Fuel or ignition

#4 Post by Mike Stevens »

Hi Simon,

Have you checked fuel the pressure? If the fan belt was slipping and the alternator not charging, the fuel pump might have dropped pressure. Just a thought.

We usually go to a small local classic show in Normandy each year. I've never seen a 2000 or a Stag there, but sometimes Heralds and Spitfires, some even right hand drive but French registered. We have some friends who own a UK London Taxi also now French registered. Lots of Renault 4CVs and of course in 2024 loads of 'traction Avants' as it was 90 years since they came out. Have you seen a Citroen DS convertible? Quite amazing lines! Maybe not the thing to say on a Triumph Forum!
(South Oxfordshire)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover which is now back to its original light green!)
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