![]() ![]() Plus, you'll still have to lengthen your wiring harness to reach the new purge valve on the other side of the motor. You can get the correct Boss hoses, purge valve & bracket for just under $200 when they are available, but they are not currently available. #302 INTAKE MANIFOLD DRIVER#On the 2012 Boss 302, the purge valve is located on the driver side rear of the intake & it is plumbed a little differently. On the stock intake, the purge valve attached directly to the intake behind the throttle body. However, in my experience, this will cause the check engine light to illuminate. All we've seen on the 'net so far is that one company left it dangling. Its purpose is to vent fuel tank vapor in to the intake manifold during certain operating conditions. See that loose connector hanging there in the breeze? That is for your purge valve, which we'll cover next. Remember to have you 2 pair of pliers & a friend ready for this step. Twist it around like so & it will go on kink free. In its stock orientation, the brake booster hose won't want to cooperate when trying to attach it to the Boss Intake. Doesn't that Nitrous Plate just look baller? Nitro Dave & the crew & Nitrous Outlet take their nitrous seriously. Set the booster vacuum tube in to place & reinstall both plastic heater hose brackets. Plug in all the injector electrical connectors, connect the fuel supply line, & reinstall the foam sound deadeners. Torque the 4 fuel rail retaining bolts to 89in-lb using the following sequence. ![]() Torque the 6 Intake bolts to 89in-lb using the following sequence. Slide in the 4 fuel rail retaining bolts & finger tighten those as well. At the back of the intake, only the outer 2 of the 4 wiring harness retainers have a spot to attach, go ahead & affix them to the intake. The new intake comes with gaskets already installed, so all you have to do is set the Boss Intake on the heads & finger tighten the 6 retaining bolts. This also illustrates the vast difference in the intakes, as the front crossover tube used to be above the throttle body! As you can see, the stock fuel rails clear just fine. Set the fuel rails in to place on the Boss intake & engage the injectors in to their respective ports. Okay, stop staring at the intake & get ready to put it on. Admittedly, we got in a hurry & forgot to check the inlet opening sizes, but we'll get that info for you soon. Compared side by side, you'd pick the Boss 302 Intake all day long based on looks alone! You can also see the locations of the retaining bolts in these pics. ![]()
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