Hey everyone i'm new to this forum but have found it a great source of help on some things/common probs etc.
biulding a custom forward facing plenum for my mates RB20 R32, i know this has been talked bout before and nearly everyone agree's that the standard one is hard to improve on especially in a low powered RB20 but he wants it more for looks and to make everything easier to work and get rid of bout 1.5m of piping so please don't try and convince me to not do it!
anyway hear's my question what can i do about the stock idle air control that bolts up to the back of the plenum? the car runs quite well without it i just want to know if it's actually needed? has anyone got any pics of what they have done on an RB20? i am keeping the standard bottom runner's and have purchase a top half to modify, i don't want to just wack the throttle on the front of it, i am planning on milling the old top half down bout 10mm off where it bolts to the lower half and then make a custom bell-mounthed top plenum for it? it will be tapered so that it can correctly distribute the air to the back cylinders more evenly and i will flow bench it to check how evern the flow is on each cylinder before fitting it to the car, i will have before and after dyno results to yeah it will be interesting.
so yeah sorry for the rant if you can give any pics for ideas or can help with the idle control issue that would be great
thanks again