Ford 300 mods
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4wd Low
Joined: Aug 2017
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Ford 300 mods
I have a pretty worn out 94 300 il-6. I want to tear the ole girl down and build it back up with a goal of about 300 ponies and 350- 500 ft/lbs of torque. I don't want to sacrifice too much reliability and not be to inefficient on fuel though that isn't a huge concern. I considered a old 60s- 70s dump truck exhaust manifold crank piston and rods, Clifford intake, turbocharger, blow thru carb, carb head, slightly larger valves, porting, and a more aggressive cam. But I don't know what numbers that would give me. I'm not even sure my reliability and number goal is even possible lol
Last edited by Brandoncw; Aug 4, 2017 at 11:35 PM. Reason: Change torque goals
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From: Chicago area
You won't make much more then low 200's without some kind of power adder. The head just won't allow enough flow without a lot of work and expensive aftermarket parts. A turbo can be done but you'd really be much better off keeping the stock FI if you do that as blow through carbs are totally "old school".
If you want that much power and torque what you really need to do is step up to a 351 and you can then make 300 HP and 400 ft/lbs of torque very easily. A set of GT40 cast iron heads, a cam, headers, and an intake. Use a mid 90's 5.8L and you can use a roller cam and stay with FI as again carbs are "old school".
If you want that much power and torque what you really need to do is step up to a 351 and you can then make 300 HP and 400 ft/lbs of torque very easily. A set of GT40 cast iron heads, a cam, headers, and an intake. Use a mid 90's 5.8L and you can use a roller cam and stay with FI as again carbs are "old school".
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Agree with above.........the 300 really responds with so much torque in such a rpm band that it really doesn't need the higher HP to make it work........although with a head swap you can really make them fly...both on the track & street........but IMHO, anywhere in the low to mid 200 HP range is really powerfull especially with the tq increase......
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4wd Low
Joined: Aug 2017
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Agree with above.........the 300 really responds with so much torque in such a rpm band that it really doesn't need the higher HP to make it work........although with a head swap you can really make them fly...both on the track & street........but IMHO, anywhere in the low to mid 200 HP range is really powerfull especially with the tq increase......
Last edited by Brandoncw; Aug 22, 2017 at 05:54 PM. Reason: Clarify
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Longtube headers with a single 2.5" exhaust system.
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4wd Low
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ok would it affect anything if i put a y pipe in to make false duals solely for the looks. Also what about a aftermarket cam? Any recommendations that may increase hp without altering the torque pattern to much?
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I've seen dyno numbers, on this board if I remember right and the efi dual manifolds will flow as good as a header to about 4500 rpm. Better than the hd single manifold.
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For cams...check out Iskenderian, Crower or Lunati...... tell em exactly what you have and your vehicle use, they will tell you exactly what to order and they will vary the grind for what you need.
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