Gasser pistons 6.33 to 1.LP pistons 8.33 to 1. Your neighbour may have forgot to tell you that they pulled the dry sleeves and are running over size pistons. Given that a stock 400 made 50HP. I would believe 60HP if the sleeves were pulled and LP pistons used. More if they knew enough to get the worn cam ground with a modern profile and followers trued up. A three angle valve job, blend the rough edges out of the valve bowls and match the ports to the manifolds. She would be pushing 70HP. More yet if the rpms were dialled up to 2100-2500. How else would a" stock " M built as such are so popular with pullers.
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Today's Featured Article - Show Coverage: Central Illinois Strawberry Festival - by Cindy Ladage and Janna Seiz. Every year the coming of summer is highlighted by different events for different people. For some, it is heralded with the end of school, tilling the garden, or completion of the planting season. To us, connoisseurs of find food, antique tractors, farm toys, crafts, and downright fun, the annual Strawberry Festival means summer is here. Every year, in Carlinville, Illinois, the Macoupin County Historical Society and the Macoupin Agricultural Antique Association team up to fill th
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