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Rely acquire 2002, no top speed.


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9 hours ago, Mike Self said:

Coupla additional suggestions if you're still having trouble...

 

Presumption:  you have a two barrel carb (if you have a 1 barrel, the following won't help)

 

1.  2 Barrel Solex:  sounds like the second barrel isn't opening.  It's vacuum operated via a diaphragm inside that round container that sits on the side of the carb.  If the diaphragm has a hole in it, engine vacuum won't allow the second barrel to open, so you essentially have a very small one barrel carb.  You'll need to replace that diaphragm; hopefully they're available in the UK.  Not sure if they are here.

 

2.  2 Barrel Weber:  there's either something wrong with the mechanical linkage that opens the second barrel (a link or cotter pin has fallen out) or the spray nozzle (the "bridge" that goes across the carb throat that gas sprays out of) was reinstalled backwards so no gas is flowing through it (I learned this the hard way!) or it's otherwise clogged so there's no gas flow to the second barrel.

 

If the previous suggestions don't cure the problem, check the carb's second barrel operation.  The symptoms you describe sound like only the primary barrel is opening, and above 50 mph the primary carb throat is just too small for the engine.

 

mike

 

 

Mike,

 

Just looked and it has Webber stamped on the fuel primer, and is a 2 barrel, thanks.

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Moving the linkage by hand is different than asking the pedal to do it.  Sometimes the lever on the side of the pedal box slips on its shaft and then it does not push the linkage as far as it should.

Clogged fuel filter/delivery system will cause this symptom, especially going up hills.   Mark92131

I am assuming you have the stock carburetor?  If you take off from a start and give it full throttle does it run through the RPM range OK?  If so then fuel delivery is probably your problem.  If it fa

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9 hours ago, irdave said:

But speaking of which, I did get the rebuild kits for some Advanced Design (GC) 2 way adjustable proper dampers, which I found in Canadia for 100 bucks...  Probably ought to put those together- bet they work better than the single adjustable Konis...  Thanks for reminding me.

Wow... You found rebuild kits for AD's?  Score!!!! 👍👍

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Finally replaced the dampeners, all fine there now.  Took  it on another run, as I removed carb and blasted carb cleaner and air through it, although will get up to 60/70 mph, will still die when pushed further.  Have to wait till speed decreases slightly, before being able to carry on.

 

Replaced fuel filter and lines.

still have to keep,it below around 75, or it just conks out again.

 

Any other suggestions at all?

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30 minutes ago, Son of Marty said:

Dingo in the down pipe? Have a helper hold the gas pedal to the floor while you look down the throat to make sure the butterfly is vertical.

 

I did this myself by holding the accelerator linkage, and both butterfly's are open.  Also rpms go to the top of the range.

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3 hours ago, Littleeagle28 said:

I did this myself by holding the accelerator linkage, and both butterfly's are open.  

 

Moving the linkage by hand is different than asking the pedal to do it.  Sometimes the lever on the side of the pedal box slips on its shaft and then it does not push the linkage as far as it should.

 

If you don't have a helper near by, you might be able to put a stick of wood between the seat and the gas pedal to hold it down.  Then look down the carb to see if the butterflies are vertical.  

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10 hours ago, Son of Marty said:

Or it could be a vole in the valves.

 

gorilla in the gearbox.

Tazmanian devil in the transmission.

manatee in the manifold.

elephant in the electrics.

stoat in the steering.

racoon in the radiator.

bear in the bushes (I like that one).

barnacles in the bodywork.

mouse in the mudguards.

tiget in the tyres.

... someone please stop me!!

 

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After inspecting the carburetor, my suggestion is to inspect the mesh filter on the bottom of the fuel tank sending unit.  If you are lucky, the fuel tank will have a drain plug (that hopefully will loosen).  I’ve seen some cars that the mesh filter has dropped off into the tank - others the filter will be clogged with sediment.

 

 

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