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10-20-2009, 11:42 PM
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427 HP q'S
1966 427 bored .06 over eagle forged racing rotating assembly 4.375 stroke and 6.385 rods with JE SRP 18cc Dome Piston (~10.5:1 w/ 118cc) heads. Perfect Circle or Mahle Plasma Premium Performance Rings. Clevite or King Competition Series Rod and Main Bearings. with patriot performance aluminum heads. 119cc combustion chamber. rectangle intake ports and round exhaust ports. 320cc intake runners. 2.25 intake valves and 1.88 exhaust valves. wiend tunnel ram intake with duall holley 450 or 600 cfm carbs. im not sure what would be a good cam but heads allow up to .7 lift. how much hp approx? and any cam suggestions?
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10-21-2009, 09:53 AM
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Hmmm, 3200 bucks just for the heads....this could be a very expensive build.
https://www.patriot-performance.com/...&cat=33&page=1
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10-21-2009, 11:03 AM
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Will everything clear with a 4.375 stroke? Is there an off the shelf piston for that combo? Might find that 4.375" stroke pistons start out at about 4.5" bore.
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10-21-2009, 06:56 PM
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Quote:
 . Thats very reasonable for a bbc.
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10-21-2009, 07:41 PM
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double post
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10-21-2009, 11:33 PM
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mudbogger yes those pistons come in a kit im purchasing from adperformance that is an all forged eagle racing kit that i can order .06 over.
yes tech inspector, nova's right there a pair for that price. but the engine is goin to cost me about 5500 after its done eventually i plan on supercharging it but that a couple years after i finish pilot school  so can any1 give me a ball park hp rating on that engine???
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10-22-2009, 04:46 AM
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Hmmm might have to pick one up myself!
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10-22-2009, 09:23 PM
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ya its a good deal at 1800.00 but can anyone please answer my post questions on approx. horsepower?
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10-23-2009, 05:17 AM
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build
Do not buy those heads. they are the China casting heads that they re-work..
Spend a few hundred more and get a set of Edelbrocks,,,, you will thank me for it later. Hp guess is just that, a guess. You can run the numbers on desk top dyno and get 575 hp...then strap that engine on a real calibrated dyno and pull 425 hp... There are just way to many things that dictate what hp the engine is going to actually make. I ahve a program that if you tell it the truth will get you with-in 3% of a calibrated dyno for HP,but i need way more info then you gave to even start entering numbers. At 17 years old my question would be, how much HP do you need, and what do you need it for??? Keith
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10-23-2009, 05:42 PM
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well i think itl be more than that just cause it started off life as a 390hp engine and im boring it .06 over and stroking .35 in over stock and getting alumin big valve and runner heads i think im just hoping that droping that much money in it will get me mid 600's hp wise and its goin in a street/strip 1956 f100. even though im only 17 please dont underestimate me guys.
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10-23-2009, 05:50 PM
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Sorry, Lousy mood!
Last edited by airboat; 10-24-2009 at 10:24 AM.
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10-23-2009, 11:36 PM
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look man im not wanting to start crap with you ok im just tryin to learn as i go ok geez liten up
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10-24-2009, 07:44 AM
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Depending on head flow cam etc. you could end up between 375 and 800 hp it just all depends on choices made.The important ? first is what do you intend to use the truck for? strip only? street/strip, cruiser daily driver? this question must be answered then we can proceed from there.
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10-24-2009, 11:32 AM
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thanx barnym17 its goin in a street strip truck but its mainly gunna be on the street and its a 1956 f100 short bed stepside
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