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Search found 22 matches

by thomas@prags.co.uk
Sun Jul 28, 2019 10:27 pm
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: DB18-1 big backfire, now sounds like a tractor!
Replies: 3
Views: 274

Re: DB18-1 big backfire, now sounds like a tractor!

Had a similar issue - and got some good advice on checking every bit of ignition etc, carb and air intake... It looks as if in my case it was a fuel feed problem caused by (and thanks to Derek Sleigh who suggested checking this) ... the fuel reserve 'tap' which rarely gets used - so the corks can dr...
by thomas@prags.co.uk
Fri Jul 12, 2019 8:40 am
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: DB18-1 Petrol Reserve Tap
Replies: 5
Views: 348

Re: DB18-1 Petrol Reserve Tap

thanks - the key bit of info is to remove the whole thing and not try and do it in situ! I had a vague recollection of doing the latter 40 years ago.
thomas p
by thomas@prags.co.uk
Wed Jul 10, 2019 11:05 pm
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: DB18-1 Petrol Reserve Tap
Replies: 5
Views: 348

Re: DB18-1 Petrol Reserve Tap

me too please - assuming its the same as on my 49/50 DB18? I remember replacing the cork about 40 years ago but can I remember what I did ..?! Derek Sleigh thought a sticky seal might be causing a fuel feed issue - leading to my backfire issue - and I think he may be right - pulled out the reserve k...
by thomas@prags.co.uk
Fri Jun 28, 2019 8:58 am
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: backfire
Replies: 16
Views: 906

Re: backfire

some improvement. fitted new plugs, I have changed one of the plug leads which was dodgy and checked the contact gap. I think it improves if I turn the advance retard to the left (just to underline my ignorance since the markings are no longer legible I dont know which that is!) . My next step will ...
by thomas@prags.co.uk
Wed Jun 19, 2019 11:24 pm
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: backfire
Replies: 16
Views: 906

Re: backfire

Geoff
thought I had sent you an email to let you know the car simply wasn't running well enough to risk driving down. Still backfiring - another suggestion may be to fit a new set of plug leads... anyone do them made up with caps etc?
by thomas@prags.co.uk
Mon Jun 10, 2019 11:08 pm
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: backfire
Replies: 16
Views: 906

Re: backfire

Graham
I like the idea of the electronic conversion. Mine is a practical used vehicle - it should look and feel 'right' - but it doesn't always have to be original in every way!

I will investigate. New plugs are on order - I forget they simply don't last as long.

t
by thomas@prags.co.uk
Mon Jun 10, 2019 12:57 pm
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: backfire
Replies: 16
Views: 906

Re: backfire

thanks all - a few things to try. dont think its the coil - tested last year, the rotor arm was replaced via Derek Sleigh last year too. Thomas not Scottish (except by adoption) or Welsh (though I spent much time there in my youth and one of our neighbouring farmers was Tom Thomas) - but German by e...
by thomas@prags.co.uk
Sun Jun 09, 2019 9:10 am
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: backfire
Replies: 16
Views: 906

Re: backfire

thanks for the advice. pretty sure the condenser is relatively new. I was wondering if there might be a connection between the gearbox surgery and something else. Probably not.
I do have a plug or two that oil up a bit and compression could be an issue.

t
by thomas@prags.co.uk
Sat Jun 08, 2019 11:27 am
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: backfire
Replies: 16
Views: 906

backfire

having had the rebuilt gearbox refitted a l was well - until my DB18 started scary big backfire noises! Mostly in top or 3rd while under a bit of pressure (inclines etc) it runs very smoothly otherwise and behaves in low gear at high revs . - a friend checked the distributor timing and there dont se...
by thomas@prags.co.uk
Fri Mar 22, 2019 8:50 am
Forum: Daimler Forum (not SP250/251, 2.5 V8 or V8-250)
Topic: Highland DB18 gbox
Replies: 0
Views: 178

Highland DB18 gbox

Some of you will remember my DB18 gearbox trauma and many thanks to those who tried to help with advice and sympathy. The 2nd gear 'band' had snapped so nothing for it but to persuade my friend John M to extract the box from the car and it was shipped south for a refurb. Now back in the car - and wo...