Drag 300
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Senior User
Joined: Jan 2011
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Drag 300
The whole idea of making a 300 do 110 mph in 5 sec is totally possible. I have about 6 master mechanics and 5 other top racers in drag(confidential) working on this set up. With a total of about 10k i can have this 300 running less than a 5 sec 1/8th. People do not realize the capability of this design it is insane.
So far numbers wise we will need a car with the driver to weight in at about 1500 pounds, this wont be difficult as long as its a compact car with a full fiber glass body and a role cage. Dont need anything but strap, gallon fuel cell for fuel and 1/4th gallon cell for methanol, a racing seat and a 5 point harness with a tach to shift, in total the car might weight 2k with the driver. Pushing over 450tq to the tires, and pushin 400hp, this thing will FLY!!!!!!
Still working out math but if i can get the compression i m looking for it will all play out. As well as the air flow, hardest thing is this restricted head. Let me know if u know any way to free up head besides minor port and polish? any ideas?
So far numbers wise we will need a car with the driver to weight in at about 1500 pounds, this wont be difficult as long as its a compact car with a full fiber glass body and a role cage. Dont need anything but strap, gallon fuel cell for fuel and 1/4th gallon cell for methanol, a racing seat and a 5 point harness with a tach to shift, in total the car might weight 2k with the driver. Pushing over 450tq to the tires, and pushin 400hp, this thing will FLY!!!!!!
Still working out math but if i can get the compression i m looking for it will all play out. As well as the air flow, hardest thing is this restricted head. Let me know if u know any way to free up head besides minor port and polish? any ideas?
Tuned
Joined: Nov 2007
Posts: 386
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From: Whitmore lake Mi
My hopes are my Roadster will weigh in at about 2300 lbs with me in it. I was thinking in the ball park of a 6.5 sec 1/8th with my 309 with 3 Weber's and a TCI AODE. That is if I ever finish it. 
Jim
Jim
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From: Boise, Idaho
If you're crazy enough, some people will take two high flowing V8 heads, cut off the 4th cylinder on each, and then weld them together. I think someone was doing them with LS1 heads.
Check out Fordsix.com and look up The Frenchtown Flyer. He made a custom dual overhead cam head for his racing 300.
Check out Fordsix.com and look up The Frenchtown Flyer. He made a custom dual overhead cam head for his racing 300.
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I looked into it and there is no way to get a pure weld on the head that wont leak with the amount of pressure. Even if its brazed. It needs to be molded in one piece. I had a buddy try it and he ended up blowing his motor while racing on a track in Daytona. I will look into it tho. Alan Jackson used to make a cross flow head but it had no cooling channels!
If you know anyone who makes a cross flow for this motor let me know please. Will REALLY open up the motor to so much more possibilities.
If you know anyone who makes a cross flow for this motor let me know please. Will REALLY open up the motor to so much more possibilities.
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Joined: Dec 2007
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From: Boise, Idaho
Right now, the only head readily available for the 300 is the stock head.
Classicinlines has been working on creating an aluminum head for it, but it's been in the works for quite some time (around 5 years or more) and progress is extremely slow. No recent updates, and no expected time until completion.
Classicinlines has been working on creating an aluminum head for it, but it's been in the works for quite some time (around 5 years or more) and progress is extremely slow. No recent updates, and no expected time until completion.
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Elder User
Joined: Jun 2010
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From: Casper, Wyoming
Right now, the only head readily available for the 300 is the stock head.
Classicinlines has been working on creating an aluminum head for it, but it's been in the works for quite some time (around 5 years or more) and progress is extremely slow. No recent updates, and no expected time until completion.
Classicinlines has been working on creating an aluminum head for it, but it's been in the works for quite some time (around 5 years or more) and progress is extremely slow. No recent updates, and no expected time until completion.
I don't think it was a crossflow head, though.
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From: Near Los Angeles
...to think that he once had the opportunity to keep a palette of xflow heads from being scrapped at Ford, well, all I can do is sigh. I still want to find, one day, an oem p/u with the Xflow head and turbo he said ford put out ... with more hp than a 460.
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Joined: Dec 2007
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From: Boise, Idaho
Thanks for providing that. I couldn't remember the link, or who made it.
I can imagine the flow on those is amazing. It's too bad they don't make them for street use.
But, like you said, the OP was asking for drag racing, which it'd be perfect for.
I can imagine the flow on those is amazing. It's too bad they don't make them for street use.
But, like you said, the OP was asking for drag racing, which it'd be perfect for.
Lead Driver
Joined: Dec 2000
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From: South central, Minnesota
Wait a minute. If the OP is talking about a drag racer, Alan Johnson AJPE makes a solid aluminum crossflow head for the 300 for drag racing purposes. It is supposed to flow like the Amazon river.
The 300 has plenty of potential. There are guys that are running 7 sec 1/4 miles with a 300 powered car.
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Joined: Dec 2007
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From: Boise, Idaho
I don't think he made a DOHC head. I believe he made a valvecover that made it look like a DOHC. He is building that for his old indy type race car replica.
That head they use to sell in Ford catalogs is the AJPE head. And you are a few thousand short. The last time I checked ( a few years ago ) is was either $10,000 or $12,000 for a bare head. And then you can add another couple thousand dollars for the special valvetrain required for the head.
That head they use to sell in Ford catalogs is the AJPE head. And you are a few thousand short. The last time I checked ( a few years ago ) is was either $10,000 or $12,000 for a bare head. And then you can add another couple thousand dollars for the special valvetrain required for the head.
As for the cost of the head, OUCH! I was only going on vague memory, but that's a bit more expensive than I had anticipated. That's definitely something you've got to commit to.
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Joined: Dec 2000
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From: South central, Minnesota
Heh, well, I missed that part. He had me fooled I guess. Considering his skill, I thought it was a true DOHC.
As for the cost of the head, OUCH! I was only going on vague memory, but that's a bit more expensive than I had anticipated. That's definitely something you've got to commit to.
As for the cost of the head, OUCH! I was only going on vague memory, but that's a bit more expensive than I had anticipated. That's definitely something you've got to commit to.
Yea for the price of that AJ head you could buy a complete Jon Kaase Boss 429 top end kit for a 460! I really dig the 300's. But if I've got a choice between running a 300 or a Boss 429, I'm going with the shotgun!
The Boss 429 is a wicked engine!
But my 54 4x4 project is getting a 300!