North American Turbocoupe Organization

Full Version: Ranger roller cam and emissions?
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Is it possible to pass a sniff test with the popular ranger roller cam?

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1987 Silver Turbocoupe
Stock........for now Smile
Yes, it is even more mild than the stock slider cams.
The RR is basically a stock replacement as far as specs go. We have a 3 gas IM240 type roller dyno / drive cycle test here, and my TC with RR (and a bunch of other mods) always passes with flying colors. Emissions are so low, they dont even need to complete the complete 4 min drive cycle test.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 21 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 04 Taurus Duratec (wifes car)