petrol in inlet manifold

[John E.B.Goode]

After my recent troubles - "engine disaster", engine now rebuilt and back in.
Attempting to start, firing but not picking up.
Noticed petrol leaking from nearside float chamber.
Took of carbs to sort that and found that the bottom of the inlet manifold was full of petrol

Any ideas ??

TIA

John

[Staggard]

After my recent troubles - "engine disaster", engine now rebuilt and back in.
Attempting to start, firing but not picking up.
Noticed petrol leaking from nearside float chamber.
Took of carbs to sort that and found that the bottom of the inlet manifold was full of petrol

Any ideas ??

TIA

John

needle valve

[John E.B.Goode]

what about the needle valve ?

[Staggard]

Well if the needle valve is sticking (as they often do) floods the carb and can also run down into the inlet manifold

[John E.B.Goode]

How best to fix the problem ?

[milothedog]

Hi John,

Assuming you have a needle valve leaking just change them and set the float heights or try a pair of Grose valves, next time mine give up I have a pair in the boot ready to fit.

http://www.moss-europe.co.uk/Shop/ViewProducts.aspx?PlateIndexID=18413

Ian.

[martin]

After my recent troubles - "engine disaster", engine now rebuilt and back in.
Attempting to start, firing but not picking up.
Noticed petrol leaking from nearside float chamber.
Took of carbs to sort that and found that the bottom of the inlet manifold was full of petrol

Any ideas ??

TIA

John

Hiya, you haven't got a problem, it's normal for fuel to pool in the manifold when cold. You may be over fuelling but it's not a prob. Any fuel coming out of the overflow pipe at the front of the engine ? if so, that's needle valve/s
One test, is to switch on the ignition and stick your earole next to the carbs, if the valves have given up you can actually hear the fuel running in. Martin.

[Staggard]

Hiya, you haven't got a problem, it's normal for fuel to pool in the manifold when cold. You may be over fuelling but it's not a prob. Any fuel coming out of the overflow pipe at the front of the engine ? if so, that's needle valve/s
One test, is to switch on the ignition and stick your earole next to the carbs, if the valves have given up you can actually hear the fuel running in. Martin.

Hi Martin I hate to diagree but John said when he removed the flooding carb the manifold was FULL of petrol are you saying that's normal also surely over fuelling washes the bores and in my experience that causes big problems

[milothedog]

Hi Martin I hate to diagree but John said when he removed the flooding carb the manifold was FULL of petrol are you saying that's normal also surely over fuelling washes the bores and in my experience that causes big problems

Whilst I agree with you comment, and as Russ has recently refereed to about bore wash,it's not a good thing for the engine, But in my 3 years of ownership and associated stormberg issues Martin is bang on. the fuel seems to collect in a shallow in the centre of the manifold but has no detrimental efffect. I put it down to one of the car's trait's. Had my old Stromies off a few times and found this, I now have a set of Andrew Turner Recon's and had a few issues when first fitted and set up and found the same thing with pooling fuel.
but the car runs great and registers 2.28 % CO with the set up I currently have.

Ian

[Princejohny]

[QUOTETook of carbs to sort that and found that the bottom of the inlet manifold was full of petrol

Any ideas ??

TIA

John[/QUOTE]

I've seen it happening in my project Stag when I had the carbs on and off a few times. It's normal for the Stag V8.

I guess it doesn't bore wash because it's unlikely that the pooled liquid will pour over the edge straight away. You'd have to roll the car first....
I think it would evaporate as the engine runs and be taken in with the normal fuel/air mix.

Johny

[Giles]

the fuel seems to collect in a shallow in the centre of the manifold but has no detrimental efffect. Ian

I have noticed this on mine as well so assume it is design of the manifold

[martin]

" the manifold was FULL of petrol"






I think "full" may have been a slight misreading of the situation. I can certainly understand John's alarm on first seeing it. Martin.

[Princejohny]

John
It would appear that you have fuel even if it is flooding out the carb.
Attempting to fire and failing sounds like something on the electrical side.
I'm not sure how much you dismantled. Are leads in the correct order?

Johny

[Princejohny]

DSCF6605 (1024x768).jpg

Heres a pic of the fuel pooling for anyone wondering.

[John E.B.Goode]

Thanks for all your comments.
Maybe "full" was a slight over reaction but there was certainly a lot of it.

I'm pretty sure leads are all o.k., I'll double check tomorrow.

Battery flat now!!

I'm thinking timing may need tweaking