Seing double?, Now tested double D-jet performance! Options

[larss]

Anybody tried double D-jet air boxes and TB before?

(IMG:http://www.914world.com/bbs2/uploads_offsite/www.lsmteknik.se-10787-1389339349.1.jpg)


/Lars S

[Dr Evil]

This is fricken cool (IMG:style_emoticons/default/smile.gif) Good on you for trying things and reporting them here.

The volume of your plenum can cause you some issues, too. I do not know how much and at what volume, but a larger plenum would be like a big room. If you open a door to a large room you feel nothing. If you open a door to a small room, you feel it more (if that makes sense).

Another thing is runner length. Longer runners make for more torque. How long and such depends on your displacement and other things.

When I was designing and building my intake system for the bus I had to take all of this into consideration. It helped that someone else had tried similar and their plenum was visually way too small and yielded crappy results.

[larss]

This is fricken cool (IMG:style_emoticons/default/smile.gif) ....

The volume of your plenum can cause you some issues, too. I do not know how much and at what volume, but a larger plenum would be like a big room. If you open a door to a large room you feel nothing. If you open a door to a small room, you feel it more (if that makes sense).

....

Thanks!

I had serious ocillating idle problems with my double system...may have to do with the plenum wolume, I cured i by making the idle-mixture (over)rich, lets see how it reacts when going back to single D-jet.


/Lars S