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Tippy Tippy is online now
Chain fence eating turbo
 
Join Date: Dec 2008
Location: Austin, TX
Posts: 7,995
Quote:
Originally Posted by Miguel Antonett View Post
^^^ always heard that... you want equal length primaries to get more bang from your bucks.
Yep, you don't want exhaust pulses colliding negating effectiveness.

The pulses can arrive at the secondaries at roughly the same time with unequal headers.
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Cory - '87 C3.2 (3.4, stock 3.2 heads, cams, intake, with 75mm Mustang TB) Guards/Blk - turbos new to old 1). Borg Warner S366 (66mm comp/73mm turb/0.91 T4 divided ~1.4 bar), 2). Holset HX40 8-blade (58mm/"P" trim 0.84 T4 divided 1.4 bar), 1/4 mile 12.02 @ 129 MPH (street tires), 3). Turbonetics 60-1 HiFi (60mm/"P" trim 0.81 A/R T4 open 1.2 bar), 431whp - MegaSquirt II/EDIS ignition/80lb inj
Old 03-18-2014, 12:25 PM
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