Twin Su hif 38 In blow trow setup
Turbo Mini Forums

Hi guys
Can i modifie my twin hif 38 carb to work in a turbo
Setup? Thanks for any help
Ps. Excuse me for my English I'm from Germany.

You could, probably using two hif44 turbo rebuild kits and machining the carbs for the seals, but it would be a lot of hassle trying to get that setup properly especially if the needles need profiling to suit, and you would need a large custom plenum or pitot tubes fabricated in what is an already very tight engine bay with a single hif44 and metro plenum fitted.

Thanks for the fast answer
I have seen a mini that was using
2 plenum from the metro
But I want to fabricate one by myself

this is somthing quite a few people have looked at doing, but Ive only seen it done with Webers,

essentially there is little point, the HIF44 dosent start becominf restrictive untill around 250 hp, so not really woth the head ache in my opinion,

Lots if people say the same but i think twins would warrant an investigation.... A pair of 1.5s would make no extra power but the drivability should be better at low revs when you snap open the throttle, usually at this point a hif6 momentarily goes lean because of its size. (Two smaller carbs can respond faster.)
To mask this problem the hif6 is set on the rich side which compromises mpg. I have a good explaination of this written by Ac Dodd which explains better, i will dig it out.