BOV to atmosphere
 

Is there anything different I must do for my start up tune? BOV is after Maf.

Re: BOV to atmosphere
 

BOV must be before the MAF to vent to atmosphere

Re: BOV to atmosphere
 

Is there not away around this with the tweecer???

Re: BOV to atmosphere
 

Probably not, there's no way to know how much metered air is being lost and the eec has no idea of what's going into the engine. Why not use a recirculating dump valve?

Re: BOV to atmosphere
 

There are Guys with Turbo Gen 1 Lightnings doing it...BUT....I dont know howthe hell they are getting away with it...they must be awesome tuners. :shrug:

Re: BOV to atmosphere
 

The only way I can of doing it is;

air filter - turbo - intercooler - bov - maf - throttle - manifold

Intercooler and bov could be the other way around, so could the maf and throttle.

Re: BOV to atmosphere
 

The last time I went to the track(months ago) there was a superchargered 86 gt with his vented to the atomsphere, I asked about it and he said it didn't have any tuning or even a chip the only problem was after a wot it would try to die. The car went 10.20s all day.

Re: BOV to atmosphere
 

He must of had a blowthru maf setup (bov before the maf and maf after the supercharger). If you try to run it vented to atmosphere with a drawthru maf it will run like shit!!! I had mine vented to atmosphere for a while but it was a blowthru maf setup.

Re: BOV to atmosphere
 

The same setup as me other than his was all paxton.

Re: BOV to atmosphere
 

If it was a true 86 then there is no MAF. The 86 is speed density not MASS AIR.