plenum upgrades

K

kirko

Member
i am in the process of modifying my throttle bodies and plenum does anyone have any info or experience /results? i will be making a bigger chamber which will sweep round towards the front probably 3 inch diameter then i will roll a pipe from the 3 inch down to 2.5 inch over about 800mm;-)
also who has succesfully fitted and used nitrous :? i know it works better as direct port injection it would be interesting to hear some feedback i bet its a bitch to map when it kicks in:shock:
i have got a bit of a misison on now i want to get it all done before the jap show finals
 
A

AJ4

Guest
if you've got a chance to muck around with the plenum, I'd try and do some work on cylinder 4 entry, as it seems to run a bit leaner than the other ones. I think the airflow passes it with too high a velocity on the way to cyl 1,2&3 and it has to drag some of it back a bit. Just a thought anyway...
 
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