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Discussion Starter · #1 ·
does anyone know what boost pressure you get before and after remap as i want a boost gauge so i can keep an eye on my turbo but dont know what size to get i.e 1 or 2 bar?
 

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hi mate

diesels don't generate a vacuum so you only need a gauge that reads positive pressure.

diesels also run higher boost than turbo so 2 bar one should do the trick.

IIRC, they hit up to 20psi = 1.5ish, 25 psi = 2ish should be good :D
 

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Youll struggle to find just a positive only gauge as they are all designed for petrols mainly.I wouldnt worry about the vacuum so much just try and find an electrical one with an air sensor so the sweep movement is smooth like your dials.BEWARE of cheap crap £40+ minimum and you will want one upto 2 Bar
 

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Discussion Starter · #5 ·
air sensor? any links about to one of these so i know what im looking for? just ordered koni sport springs aswell anyone had experience of these?
 

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pd 140 engine has a 3bar map sensor standard boost will reach 2.5 bar on spikes

remapped it will hit the 3 bar limit
 

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3 bar ? i was told 2 bar would be fine.

Doubt it goes that high tbh...

may be worth asking on uk-mkivs to see what the guys are running there!
 

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Discussion Starter · #9 ·
i thought 3 bar seems a bit high need to get a gauge on it i think will rip my mates off his bmw and try a run see what it says just pipe it up and shove it through the window lol
 
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