cutting out on roundabouts

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monka
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Joined: 11 Oct 2009 02:06 am

cutting out on roundabouts

Post by monka » 30 Oct 2009 02:33 am

if i'm pushing it a bit round a roundabout my 340 is cutting out,

guessing it is due to the engine getting no fuel, but is this on the carb front or the tank, as i have put £20 quid of fuel in and it still does it.
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Speedy88
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Re: cutting out on roundabouts

Post by Speedy88 » 30 Oct 2009 12:35 pm

1.7? Most probably carb float heights m8. For the love of god please check that the fuel return hose is still attached!!! Or your fuel will be leaking all over hot exhaust manifold :wink: Float heights should be 33mm but also weigh your floats to check they aren't leaking - they should be 6g
'88 340 Williams (Sold)
'85 360 GLS - Drift project (Sold)
'77 Colt Sigma
'96 940 Drift project

monka
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Re: cutting out on roundabouts

Post by monka » 31 Oct 2009 04:09 am

ok cheers mate, will have a search on google about float hights etc as i have err, no clue about carbs. lol
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Ride_on
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Re: cutting out on roundabouts

Post by Ride_on » 02 Nov 2009 10:56 pm

All my carb cars have done this, usually a symptom of fitting good tyres + good suspension. You want injection.
1980 345 DL_______1987 360 GLE (project car restored to GLT spec and B230FT'd)
1984 360 GLT______1987 360 GLT
1983 360 GLS______1989 360 GLE
1985 340 GL_______1986 340 1.4
1985 360 GLS______1995 940 SE 2.3 Turbo Estate (daily)
1987 340 GL 1.7

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Chris_C
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Re: cutting out on roundabouts

Post by Chris_C » 03 Nov 2009 09:48 am

Ride_on wrote:All my carb cars have done this, usually a symptom of fitting good tyres + good suspension. You want injection.
Not if you get the float heights sorted! My 1.7 coped on slicks on runways fine, but only if I'd sorted the carb out (and in the end the bloody thing started to wander, so it was a 6monthly job :()
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'89(F) 340 GL F7R (ex B172k) - Fake -> SBKV 300 Runner Up 08, 12; '91(H) 340 GL B14.4E - Kar; '88(F) 360 GLT B200E - Jet -> BKV 300 Runner Up 09; '89(G) 360 GLT B200E - Beast

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Ronnie
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Re: cutting out on roundabouts

Post by Ronnie » 03 Nov 2009 10:58 am

Chris_C wrote:
Ride_on wrote:All my carb cars have done this, usually a symptom of fitting good tyres + good suspension. You want injection.
Not if you get the float heights sorted! My 1.7 coped on slicks on runways fine, but only if I'd sorted the carb out (and in the end the bloody thing started to wander, so it was a 6monthly job :()
But you want injection anyway ;)

Carbs are always a compromise - injection is smart.
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monka
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Re: cutting out on roundabouts

Post by monka » 25 Nov 2009 12:39 am

any one got a guide to adjusting the floats on the standard 1.7 carb? the only carb i have ever touched is on my old mini moto, and that doesnt run anymore. lol
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st150drew
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Re: cutting out on roundabouts

Post by st150drew » 03 Dec 2009 08:50 pm

mine almost does the same... go into a corner ready to attempt a tail out exit and it just almost stops, bogs rite down makin the car almost stop....

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