Wanted: new distributor or vacuum advance unit for BX14

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jamescarruthers
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Wanted: new distributor or vacuum advance unit for BX14

Post by jamescarruthers »

Hello.

My vacuum advance unit is knackered but I am toying with the idea of changing the whole distributor as it is probably worn due to the car having 164000 miles on.

I understand Dusullier or Bosch will fit if I change the complete unit if not I'll need the vacuum advance unit to match what is already on my car.

Guess what, I don't know which is fitted to my car as I can't see the numbers now I've put it together. Partial numbers are 25257 for definite then maybe 712 following it.

Can anyone help with identification to tell which one I have on the car or supply a new distributor with vacuum advance already in?
1987 Volvo 480 ES
2001 Volvo C70 Convertible 2.4 turbo
2002 Renault Avantime Privilege 3.0 V6

Previous BX's:
A966 XRL -- BX 16 TRS
H767 BEG -- BX 14 TGE
B316 AMP -- BX 14 E

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Stinkwheel
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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by Stinkwheel »

New vacuum advance units are readily available, i bought one for my 14TE StTropez a while back.

If you can bear with me until later in the weekend i can find the part number etc info for you.
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93 BX TZD Estate
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To slightly mis-quote Kitch ... "BX 14. They're just brilliant!"

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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by Tinkley »

Make sure you keep the vacuum tube to the carb in good condition as this is v important to getting the correct timing.

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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by citronut »

Tinkley wrote:Make sure you keep the vacuum tube to the carb in good condition as this is v important to getting the correct timing.
usually disconnect the vac hose whilst doing/setting ignition timing,

regards malcolm
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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by Tinkley »

Thanks for that Malcolm, I had a perished/botched tube on my last Athena and replacing it with fresh rubber (and without all the metal tube links and 90° bends!) made a significant difference to the engine running sweetly.

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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by mat_fenwick »

You usually (but not always) disconnect the vacuum tube when setting the timing, especially if a timing figure at a particular rpm is given. But a leakage in the tube will not only mean the ignition timing doesn't advance under load, it'll also give you a lean mixture.
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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by Tinkley »

Much simpler on my motorcycles, which apart from the Velocette (200 'Noddy') all had fully electronic ignition with the advance/retard curve built in. Some 20-30 years later and cars followed suit with individual coil/transducer units. Having fiddled with the timing settings on m/cs' I used to obtain best performance with them running very very slightly retarded from the factory ie strobe setting.
One main dealer (in Bologna with the Morini) even managed to set the timing 20° too far advanced!
As she was hitting over 105mph before they fiddled with it, I soon (after 5 miles) reset it back. They did a great job with the carbs though and fitted the correct atomiser jets, she ran ever sweeter after that.

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jamescarruthers
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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by jamescarruthers »

I'd appreciate that Stinkwheel.
1987 Volvo 480 ES
2001 Volvo C70 Convertible 2.4 turbo
2002 Renault Avantime Privilege 3.0 V6

Previous BX's:
A966 XRL -- BX 16 TRS
H767 BEG -- BX 14 TGE
B316 AMP -- BX 14 E

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Stinkwheel
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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by Stinkwheel »

jamescarruthers wrote:I'd appreciate that Stinkwheel.
No, problem, only just caught the thread again, but shall look when home this evening and post up for you.
Doctor Of Gonzo Journalism!!!
93 BX TZD Estate
90 BX 14TE St Tropez
93 BX 19 TXD Estate
92 BX 16TXi
77 Ami 8 Break
79 Acadiane
81 Dyane6
84 2CV6
85 GSA saloon rally car
To slightly mis-quote Kitch ... "BX 14. They're just brilliant!"

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Stinkwheel
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Re: Wanted: new distributor or vacuum advance unit for BX14

Post by Stinkwheel »

The bad news is there is no sensible part number or reference on the reciept for the vacuum unit i have.

The good news is, when its not monsoon rain outside, i should be able to get the reference from the part itself, bear with me and i shall report back.
Doctor Of Gonzo Journalism!!!
93 BX TZD Estate
90 BX 14TE St Tropez
93 BX 19 TXD Estate
92 BX 16TXi
77 Ami 8 Break
79 Acadiane
81 Dyane6
84 2CV6
85 GSA saloon rally car
To slightly mis-quote Kitch ... "BX 14. They're just brilliant!"