Realistic HP and torque
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Joined: Jun 2004
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From: Casa Grande
Realistic HP and torque
Just wondering what some realistic HP and torque numbers are possible with the 300. I don't mean as a drag motor but more for reliable towing, say 24'-26' travel trailer. Right now mine is a box stock 85 with all the EEC/TFI stuff intact. I would want to keep it reliable and with decent fuel mileage. Right now it's getting around 18.5 hiway, better than my cousins 05 Hemi 
, and would like to keep that as high as possible. Just trying to make a plan for future upgrades. Maybe even upgrade to a factory type EFI with a stand alone controller and turbo setup. Like I said, this is just trying to get numbers for a possible future build to see if it's going to be worth it.
, and would like to keep that as high as possible. Just trying to make a plan for future upgrades. Maybe even upgrade to a factory type EFI with a stand alone controller and turbo setup. Like I said, this is just trying to get numbers for a possible future build to see if it's going to be worth it.
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Joined: Dec 2006
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From: Spokane, WA
FORDSIX PERFORMANCE • View topic - FIGURES
Different modifications listed with projected/guesstimated results run from a computer program.
Different modifications listed with projected/guesstimated results run from a computer program.
Junior User
Joined: Dec 2011
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From: Carthage, TX
I was told by a guy who used to race these motors in the 80s, but he said my motor with the same setup and 1.7 rocker arms & bigger valves naturally aspirated should make 300-350 HP. With the turbo at 12 psi boost at least 450 to 500 and massive torque
. Im planning on running it on propane as well... Price wise Im looking at about $200 in machine work $200 for other parts to have the short block ready with .040 over hypeurtectic pistons and moly rings, arp rod and head studs, and a steel layer head gasket.
. Im planning on running it on propane as well... Price wise Im looking at about $200 in machine work $200 for other parts to have the short block ready with .040 over hypeurtectic pistons and moly rings, arp rod and head studs, and a steel layer head gasket.
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Posting Guru
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From: Casa Grande
That would be nice if you can get it. It sounds a bit optimistic to me, but that's just my opinion. I was thinking more in the 200-250, maybe 300HP range. It takes some doing to achieve 450-500hp. Even the the new 5.0 Shelby Mustang is only doing about 500hp with a blower.
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Joined: Dec 2011
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From: Carthage, TX
Yea those are high guestimates but i will be using water methanol injection and it would be a flywheel number but I do have high hopes for it after reading an article that guy I talked to wrote back in the 80s when he raced these motors on top fuel. I actually have the magazine but on fordsix.com its all there plus more and he posts great advice on there as well about all of the ford inliners
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