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Trick Flow Upper Intake Elbow - Tech Inspection
Trick Flow 4.6 Upper Intake Elbow
By Mark Houlahan
Photography by Chuck James
The throttle body inlet on... The throttle body inlet on the Trick Flow elbow is generously sized at 75mm to accept stock or aftermarket throttle bodies. The elbow's airflow path is clean, and we couldn't find any evidence of casting flash or aluminum chips from the CNC thread-tapping operations-overall a quality product. The Trick Flow 4.6 upper intake... The Trick Flow 4.6 upper intake elbow comes out of the box with a new throttle-body gasket (not shown), a throttle-body support strap, and various hose fittings to hook up the stock emission lines. The Trick Flow elbow accepts all your Mustang's stock hardware-the EGR, the IAC, the throttle-cable bracket, and so on-for an easy installation. The casting's parting line... The casting's parting line is ground down for a nicer look on the outside. The elbow is available in natural aluminum (shown here), and silver or black powdercoat options.
| On the Dyno |
| Baseline | Trick Flow |
| RPM | PWR | TRQ | PWR | TRQ |
| 2,250 | 97.9 | 228.5 | 100.8 | 235.2 |
| 2,500 | 112.7 | 236.7 | 111.7 | 234.6 |
| 2,750 | 117.9 | 225.3 | 117.2 | 223.8 |
| 3,000 | 135.0 | 236.3 | 133.7 | 234.1 |
| 3,250 | 161.0 | 260.3 | 159.6 | 257.9 |
| 3,500 | 185.4 | 278.2 | 184.4 | 276.7 |
| 3,750 | 221.3 | 309.9 | 220.1 | 308.2 |
| 4,000 | 247.0 | 324.4 | 247.2 | 324.6 |
| 4,250 | 262.2 | 324.0 | 264.1 | 326.4 |
| 4,500 | 277.9 | 324.3 | 280.0 | 326.8 |
| 4,750 | 295.6 | 326.9 | 298.0 | 329.5 |
| 5,000 | 307.5 | 323.0 | 311.3 | 327.0 |
| 5,250 | 313.4 | 313.5 | 317.7 | 317.9 |
| 5,500 | 318.5 | 304.2 | 323.9 | 309.3 |
| 5,750 | 322.8 | 294.8 | 330.0 | 301.5 |
| 6,000 | 323.9 | 283.6 | 331.2 | 289.9 |
| 6,250 | 321.1 | 269.8 | 328.8 | 276.3 |
| 6,500 | 311.6 | 251.8 | 320.5 | 258.9 |
| 6,750 | 301.8 | 234.8 | 308.7 | 240.2 |
Depending upon the year of... Depending upon the year of your Mustang, the PCV hose can be one of two sizes. Trick Flow has you covered by supplying both fittings, so there's no need to double-check part numbers or hunt down the different fitting. Now that's thinking things through.
Ford E-250 Research
Get updated on all your car buying needs from safety features, to specs, to crash test ratings and options. Get all the information you need if you are interested in buying a new car like the Ford E-250. Fuel efficiency is important and the 2010 E-250 has fuel economy comparable to other cars in its class, and also comes with comparable safety features. The Ford Shelby GT500 and the Ford Mustang are other vehicles that might interest you.
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