Here are the RHD ITB measured flow rates at 28" and aproximate maximum power potential per cylinder when placed in the high velocity section of the intake runner.

2021年3月29日 · I cannot recall the source of this information, but I distilled this effort to determine how much HP is available for an x diameter of throttle body for ITBs. Per the …

WHAT SIZE IS RIGHT? This is probably the most important question to ask for installing a successful itb system. There are some basic rules to follow and they might be surprising to …

2017年4月3日 · The correct size is found by reverse engineering a good factory design. The Nissan RB26 and the Toyota 4AGE are good examples. 42 to 45 mm for a cylinder of 400 to …

2010年5月9日 · When sizing ITBs, you need to consider that each individual throttle needs to be large enough to not overly restrict air flow into its cylinder at high RPMs. This required size is …

2004年11月3日 · Anybody know the sizes of the ae101/ae111 ITBs, what is it like 40mm, 45mm? Do these start getting restrictive beyond a certain power? ultimatly want around 180bhp, …

2024年1月30日 · Recommends a 57mm for a stock long block and 60mm for a built K20. If he says it, it must be the truth.

2018年10月4日 · RHD sells 40mm and 42mm, it's known that you obviously don't want to go too big on throttle size. I assuming these are too big for 2.7 with a 272. Anyone have some …

2010年5月24日 · my itb is around 49-50mm. I haven't sat down and done the math but I think that size is good for about 325-350 crank hp. I would research NSX itb setups and Porsche itb …

2009年1月25日 · Huge RPM and 1:1 or better backpressure ratios change optimal piping sizes, both cold and hot side. Assuming the same VE a 3.0 engine at 10k rpm pumps the same …