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Original Message
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RE: I like the D stroke theroy. |
By Travis Miller - 04/01/2001 9:55:52 PM; IP 205.188.199.27 |
In addition to teching for NHRA, I used to tech truck and tractor pulls. One of the popular 4-wheel drive truck classes was S/S. It was 1-4bl carb with 370 cubic inch limit on the engine size. The top puller had a FE in his Ford truck. He claimed a destroked 427. His high winding destroker won almost everywhere he went and was pumped several times, each time being legal. A few other guys tried destroking their 427's but could not come close to him.
The Kentuckiana Truck pull association paid me special to come in and work a pull late in the season. They figured he would probably win and they wanted me there to measure his bore and stroke. Sure enough he won but refused to pull the head, saying he wanted to keep the bore/stroke combination a secret. The association agreed to allow the engine to be pumped, but this time by me.
When I pumped the engine it wound up being a 454 (.030 over 427 with a 428 crank). So what was the difference when I pumped it vs everyone else? I blew in the hose before attaching it to the P&G pump. It was a leaker. When we went to a sealed up cylinder, it pumped the real cubic inch.
So much for high winding destrokers. How did he crank so many RPM's? He didn't. He had the tach fixed so it would read wrong! |
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