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Doc 205

Mi16 to dellorto carbs manifold

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Doc 205

Hi folks. As can be seen in the pictures below, the carbs and air filter on my Mi16 stick up so that I can't fit a standard bonnet on the car. Additionally, I believe the angle of the carbs is making them run less efficiently than they should.

 

Does anyone know of a manifold with a slide downward bend in it that could link between the engine and carbs, resulting in the carbs sitting more horizontally, meaning that I can get a standard bonnet on it and so that the engine runs as it should? Any info/links would be appreciated. Even better if someone has one spare!

 

Thanks in advance.

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IMG_4875.JPG

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jackherer

Colin Satchell is the only person that makes manifolds that are the right angle but they are intended for throttle bodies to be mounted upside down so they wouldn't be much use for carbs!

 

He may well be able to make you one with the flanges the right way up, it's definitely worth asking him - https://www.satchellengineering.co.uk/

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Doc 205

Excellent, thanks for your prompt response! I’ll give him a shout. I don’t think there is enough ‘meat on the bone’ to re-angle the existing straight manifold. 

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jackherer

Your existing manifold is probably a Jenvey/Longmans one so you're right there wont be anywhere near enough material to reangle it.

 

I forgot to say, the ones Colin makes start out as a standard injection manifold/plenum, he cuts them up then welds DCOE flanges on. You can use either the Mi16 manifold or a GTI6 one. I've got a GTI6 one on my Mi16, it just needed a small adjustment to a dowel hole position.

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Doc 205
59 minutes ago, jackherer said:

Your existing manifold is probably a Jenvey/Longmans one so you're right there wont be anywhere near enough material to reangle it.

 

I forgot to say, the ones Colin makes start out as a standard injection manifold/plenum, he cuts them up then welds DCOE flanges on. You can use either the Mi16 manifold or a GTI6 one. I've got a GTI6 one on my Mi16, it just needed a small adjustment to a dowel hole position.

Good to know, thanks! One other question for now. The silver braided line coming from the inlet manifold serves the brake vacuum. Is it poor practice to have a single line coming off one branch of the manifold? I.e. would it spread the load a bit better to have a line coming from each of the 4 branches? Or does it not matter?

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welshpug

yes Colin can put the flanges the more traditional orientation, drop them a message on the Facebook page

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jackherer
2 hours ago, Doc 205 said:

One other question for now. The silver braided line coming from the inlet manifold serves the brake vacuum. Is it poor practice to have a single line coming off one branch of the manifold? I.e. would it spread the load a bit better to have a line coming from each of the 4 branches? Or does it not matter?

It doesn't matter, mine is like that.

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Miles

Never had a issue but generally use the Jenvey manifolds and you can get linkages that fit under the carb's, looking at the pic it looks like a modded std manifold

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Doc 205
27 minutes ago, Miles said:

Never had a issue but generally use the Jenvey manifolds and you can get linkages that fit under the carb's, looking at the pic it looks like a modded std manifold

Thanks Miles. Where can I get the linkages that go under the carbs? I think that would really help to reduce the height. 

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Miles

Glenco do them, Around Reading way I think

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