Glad you asked, RPW makes six pack throttle bodies. I think when you do this, your venturing into stand alone fuel management territory or maybe even a MAP setup.
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Originally Posted by RPW Website
Six Pack Throttle Body Systems
The below system requires use of both a FPR unit, full aftermarket programmable computer and min engine modifications of camshafts, RPW 3-1 race design extractors and exhaust work. All of the below systems come with standard PCV breathing system. Optional idle speed control for air conditioning / cold start systems available at extra charges.
* Six Pack Throttle Body Systems - no compromise - replace single throttle body with six independent 40mm butterfly systems for a total of 360mm of butterfly area. For use for the serious performance vehicle, comes with choice of carbon fibre air box or K&N Weber air box. The individual nature of utilising the original intake manifold enables us to use the long runners to maximise torque and top end horsepower. Due to being individual runners, use of interference design extractor / header system will not produce good results, 3-1 systems tuned length are an absolute must as is programmable computer systems due to massive increases in air flow that the stock computer system even with a piggy back computer is unable to adjust for.
* Stage 1 Six Pack Throttle Body System - this is a new introduction. Where previously we used to always use the Stage 2 system (Photo's below), RPW has begun designing and manufacturing this system by placing the butterfly adapter kit at the end of the 2nd manifold to utilise the extremely long runners to further enhance torque, at the expense of a slight top end performance. This is in order to make this system more street friendly. The throttle bodies and air cleaner will be pointing back towards the fire wall, but use of our carbon fibre air box with a single or twin outlet air cleaner system will ensure no lack of air flow.
* Stage 2 Six Pack Throttle Body System - for the extreme racer - instead of using the second half of the manifold with a curve, we adapt the system onto the top of the primary manifold which bolts directly onto the engine block, this is a straight joiner to the quad throttle bodies - meaning no restrictions and unlimited air flow. Loss of torque is offset by massive top end improvement - but don't expect to drive around at 1500 rpm. This is for heavily modified engines with high rpm use. The butterflies are also increased to 45mm for extreme race use on the 3.5 V6 engines (3.0 remains at 40mm)
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