best size for DIY ITB's for single cam?
Junior Member
Joined: Mar 2003
Posts: 152
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From: Reno, NV, USA
Re: best size for DIY ITB's for single cam? (JDM_rolex)
40mm-44mm. Size all depends on HP goals, compression, desired powerband, etc...40 will give a good midrange powerband, while a 44 will give more peak at higher rpms. Also, the length, and taper plays a huge part of how it'll perform. 
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