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Ford 9N, 2N & 8N Discussion Board |
Re: 8n Pistons and cam for more power?
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Posted by Dell (WA) on May 30, 2007 at 19:55:17 from (172.190.142.228):
In Reply to: 8n Pistons and cam for more power? posted by ChrisNC1 on May 30, 2007 at 18:49:31:
Chris.........most "hot-rod" hop-ups gain power thru more RPM's, which demand BREATHING. Yer 26hp 6.5:1 low compression flathead does NOT do high-compression well either. You can "mill" yer flathead for 1/16" before the pistons start pounding aginst the flathead. You might have increased the compression from 6.5 to 6.7, notta big gain there is it? Other hot-roding tricks like dual-carbs support high rpms. What about a "cam"??? Again, cams are used for hi-rpms improvements. Yeah, you can pull the sleeves and use flathead Mercury pistons for about 5-hp increase due to increased displacement and works with low-rpms. The "ungoverned" 119cu/in flathead was used in 1940 & 41 for intown delivery sedans and pickups and rated for 43hp? Then along came WW2 and Willys Jeep could NOT make enuff engines fast'enuff so some of the very early WW2 Jeeps also used the ungoverned N-Ford flathead engine. OK, iff'n yer really interested in more POWER, consider using a BIG Chevy 454-V8 SMOG-PUMP as a belt driven SUPERCHARGER. Use a carb for the NAA so the mouth of carb faces the smog-pump. Brackets are on your own shadetree cleverness. Also check hot-rodding books about supercharging. You doubt about SMOG-PUMP??? Do a "google" search for "Dirt Cheap Supercharger" by Steven A Richmond.........Dell
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