9 replies to this topic

[spanners]

In my search for a new inlet for twin 1 1/4 Su's I've come across the Mangoletsi 4010

​http://www.mangolets...folds/mini.html

Obviously similar in design to the standard ones and not much more but I can't find any reference to whether they are any good or not. I know my other options are Minispares or Maniflow but the Maniflow looks such a mess I'm resistant to fork out for dogs dinner welding.

Anybody any experience of it?

It's going on an 1310 with an SW5 and a modified head.

[cooperd70]

Read an article some time back (think it may have been a Keith Calver one, but don't quote me), that said of new inlets currently available on the market the Maniflow one had the best flow. Not got one myself, but if I were I'd go for it on performance over looks. However don't know anything of this Mangoletsi one...more inlet manifold reading for me it seems.

[spanners]

Yes I've read that too from a few sources, just can't bring myself to spend £200 on something that looks that rough.

[cooperd70]

I know. Hope that someone on here knows more on the Mangoletsi as I'd be v interested to know more too

[EAVB]

I have several, they work really well although maybe not the most aesthetically pleasing manifolds! They get a good review in either Vizard's big yellow book of 'How to modify your mini' can't remember which.

If you want to try one for £not much, drop me a pm.

[mab01uk]

Keith Calver - Manifolds - twins 

"We already know the benefits of twin carbs, and have already commented on the fact that the manifold type was responsible for the early horsepower gains. You only have to look at it to see why - the carbs are almost running a ‘straight shot’ into the intake ports; far more efficient than the early single carb counterparts despite pretty awful castings - especially internally - that really were not at all as efficient as they should have been. 

Apart from the factory fitted manifolds of the Coopers and S, there are only a couple of other options. Those fitted to the Sprite/Midget, MG1100 and Austin 1300GT have a lower carb-mounting angle; so can cause installation problems in a Mini. The main problem was the manifold design - basic and not especially efficient. They hadn’t had the benefit of the development that the single carb one has in more recent years, simply because the demand is far smaller. Many of those using twins want it to look ‘original’ or where racing’s concerned have to meet homologation rules, so could be construed as looking original. Mini Spares took some time out when looking at reproducing the original 'ST' twin carb manifolds to make sure the internal finish and shape were maximised given the criteria of a seemingly 'standard' reproduction manifold. Consequently the 'off-the-shelf' performance is much better and more consistent. 

For maximum performance out of a twin carb set-up, the best manifold is manufactured in steel by those manifold fabrication wizards at Maniflow. Unfortunately it is made to favour the bigger carbs, so isn't really suitable for twin inch and a quarters - but probably works better than the original cast aluminium ones! BUT - there is a big price penalty. If you decide to run twin carbs, then this steel manifold is a must to maximum performance potential."

https://www.calverst...fo/carburation/

 

 

[mab01uk]

Mk1 Forum:-

http://mk1-forum.net...=15150&p=122784

 

 

[cooperd70]

So my memory hasn't gone {yet}...it was a KC article!

Edited by cooperd70, 20 January 2022 - 05:08 PM.

[spanners]

Thanks for the info, Mangoletsi looks like a  contender then. My other option is to fabricate a Maniflow like option in stainless but sized for the 1 1/4's. I have heard from a few people that the jump up to the 1 1/2 inlet straight out of a 1 1/4 carb is less that ideal. Probably relatively small in the grand scheme but every bit counts!

[timmy850]

Perhaps an option would be to chamfer the spacer between the carb and manifold to smooth out the transition