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NASCAR team owner Jack Roush talks possible Cup engine changes

Apr 18, 2014, 8:32 PM EST

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With NASCAR indicating that it will make engine modifications for the Sprint Cup Series sometime in the future – which could involve a reduction in horsepower – one of the series’ most prominent team owners has an idea on how the sanctioning body should do it.

Jack Roush, owner of Roush Fenway Racing, told NASCAR.com that the modifications should include “a restriction on the intake side” that doesn’t involve restrictor plates, such as a reduction of the throttle bore size.

“[It is] straightforward and it is easily reversible if you decided that the quality of the racing was hurt by it,” Roush said. “If they want to take 100 horsepower off, reduce horsepower significantly, the least expensive and most palatable way to do that is with a restriction on the intake side.”

Roush also hoped that NASCAR would take the costs incurred upon the teams into account as they go about making the changes, saying that his and other teams can only afford to change so much at a time.

However, Roush feels like the sanctioning body could ultimately wind up simply reducing the RPM on the engine and add a requirement that engines must be used for two races apiece.

“By reducing the RPM, you reduce the power available for the car without changing its restriction or changing its displacement,” he said. “By making the requirement that an engine be run twice before it was subject to rebuild, we would have that opportunity to reduce costs to the teams.”

NASCAR CEO Brian France first indicated earlier this month that engine changes would come sometime within the next two seasons.

Shortly afterwards, Dale Earnhardt Jr. declared that a horsepower drop was inevitable and also, his hope that the engine would be smaller to preserve throttle response from the cockpit.

  1. techmeister1 - Apr 19, 2014 at 8:40 PM

    Rational ideas are not allowed in CRASHCAR…

  2. wiscpaul - May 18, 2014 at 3:28 PM

    The V6 cars of the old Busch/Nationwide days sucked. It took a few laps to wind them up and then if you lifted for any reason you went to the back. There is a reason they went to bigger engines. In an age where 600 hp new street cars are purchased off the showroom floor why the need for less power. It’s all corporate imaging and not racing.

  3. grgstrickland - May 27, 2014 at 11:38 PM

    leave the horsepower alone,bring back dodge,send those ugly ass jap yodas back where the came from,just because Toyota has the money to buy a race car and stick their name on it doesn’t mean they should be in nascar.

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