Direct Port w/secondary butterflies plate - Honda Prelude Forum

Toretto · 11-15-2003, 11:33 AM

I used the search feature looking for picks of DP installs, and came across one thread were a guy used the secondary butterflies plate to tap, isntead of drilling into the runners. Does anyone have a pic of this? It sounds interesting, easier to get to the jets, and less install work.

alphajesse · 11-15-2003, 09:20 PM

That was me...
It's still in the works, as there have been some holdups. The guy who was gonna do it for me closed down his shop temporarily to move it to a new location.
We were looking at two possibilities.
1. A spraybar in the square ports. A spraybar works by drilling a hole through the plate from side to side. The hole goes through all the square ports. A metal tube is slid inside, and RTVed in place.
2. Regular DP setup, but with the jets installed in the round ports, so they are hidden behind the IM, but still accesable easily. (Or easier than on the lower IM)

Finally, he's been playing with those Nossles (the DP that plugs into the injector bungs) on a Turbo Buick. He seems to like it, so if I come into some money I may go that route.

Toretto · 10-21-2004, 09:44 AM

Did this ever materialize? I still think it may be the easier way for us to do direct port.

prelude2sin · 10-21-2004, 08:04 PM

????

that is a sweet set-up IMO

im thinking of doing that setup when i go DP

*pic taken from brady's 13 sec prelude website*

alphajesse · 10-21-2004, 10:11 PM

Still have yet to get around to it, although I decided against Nozzles, as they can mess with the injector spray pattern.

Toretto · 10-25-2004, 07:38 AM

Mess with the injectors? Never heard of that, but if your not going to use nozzle's, what are you going to use?

alphajesse · 10-25-2004, 11:37 AM

Well if you think about it, the nozzles move the injector back in it's slot by about 1/4"
That will affect the spray pattern.

Once I get around to it- DP in the butterfly plate is still the plan.