Just having some (probably bad) ideas. But does anybody make a compact inlet manifold for the mx5's?
Thinking something like the zetec ones sold by kitcarparts, still wanting to use the std throttle body etc etc.

A search has not turned anything obvious up (yet)

Ta.

probably easier and cheaper just to tackle the issue which is making you think you need a more compact manifold, they seem quite compact as is. Is it hitting the chassis? if so how about moving the engine off centre to make more room?

A friend wants to put an MX5 into a standard atlas van. Height seems to be a problem. His plan B is a lexus V8 which is an easier fit. But a van that had about 40bhp when new may not like all those extra horses. The mx5 was only triple the bhp.... (scary enough for something like the van)

quote:

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Originally posted by Mr Whippy
probably easier and cheaper just to tackle the issue which is making you think you need a more compact manifold, they seem quite compact as is. Is it hitting the chassis? if so how about moving the engine off centre to make more room?

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You sit on the engine cover! Well, sort of...

Mx5 MK1/MK2 engine are quite tall changing the manifold wont help that.

If you want a more compact inlet have a look at ITB's http://danstengineering.co.uk/ or jenvey are worth a look.

The problem with ITB's is although they dont extend so far forward or up they stick further out to the off side.

[Edited on 11/10/18 by Charlie C]

I guess the obvious answer is to make one.....not exactly rocket scince, and even if the runners are not optimal the loss of a few horses won't be a disaster. The vans are cute, but make a VW T2 look like a go-cart to drive