Dodging questions too? Personal attacks, dodging questions, believing in some fairy tale because so and so has a link that "claims" something? Your a flat-out fawking retard, bro. You just CAN NOT understand that a motor with as much bore and stroke as a 302 CAN NOT change direction that fast. You would sheer wrist pins out of the piston. You would snap rods, most likely snap the crank. IT IS NOT POSSIBLE. PHYSICS MORON.

 

OK. Go hump hwest while you both watch hooked on phonics. Happy?

 

the Article said 5 liter v8. How about you argue how its not a v8 then smart guy I understand your argument I really do. By the way last time I checked you werent at the dinner table with me and my family so I am not your fuc$ing bro got me?

 

here is a picture of the v8 with the csrv head set up. Any more info can be gathered at the coates site. this motor is not conventional by any means like I said before almost all moving parts have been completely removed from the motor(and not replaced) including the cam shaft.

 

The horse is dead and I have been kicking the $hit out of it, what part of unconvention don't you understand? There is proof all over that site. Any body else with a brain have any comments?

 

jesus, take it down a notch!!!!!!!!!!!!!!!!

 

This might help a few people.
A friend and I, purchased a set of these heads several years ago. cost $5125 before shipping
He did most of the work including the research.
We used a 1973 Mustang 351 Cheveland 4 bolt main. Using standard parts some from jegs and local parts store we pulled the engine and made sure the bottom half of the engine was sound. Anything we replaced was with standard part. no pro-shops parts. Yes we used a different timing chain to accomodated the heads He chose a stand alone, programmable fuel injection system. We switched to a 3 inch exhust system. We purchased a high flow oil pump to keep the crank oiled. After getting everything hooks up to specs. We started the engine, I was not too sure it was running. Did not make much too much noise. We had it independantly dyno'd: It idle at 320rpm (not a typo) and had to talk the guys to increasing the rpm's for they would not take the engine over 13000 rpm's but they took it to 13000 rpm and held it there for 15 minutes. I want to restate: Besides the heads, everything was purchased locally at a auto parts store or Jegs. We used royal purple engine oil. Which he changed out at 40k miles. Low emissons. This engine is fast off the line and has awesome topend. Having only driven it several times I was totally impressed. He compared the price of the engine with the new heads and compared it to replaceing the top end of the 351 the traditional way. There was not much of a difference.
He had the car for two years and had no repairs to the engine. Until he wrapped the car several years ago. He was killed doing an estimated 136 mph. I wish I had more info.

 

Ok so why aren't those heads in production today? I hear they also require no oil on the heads themselves(?)

I can see the heads could be spun to 20K RPM beause they're a straightforward design.. but (as others have wondered) how the hell can you take a stock 351W bottom end & rev to 13000 RPM sustained especially for 15 minutes.. I hate to sound like a doubter but that's a hard 1 to swallow

 

Per the coates web page. The big 3 has not revamp their production line due to cost. More than likely it will hit production somewher bysides the US.

It was hard for me to beleive too. But, seeing is believing. If anyone ever gets a chance to see the heads in action, they will change their mind.

 

V8's turning 14,000 rpm, nonsense. Not at all, the Indy cars, use V8's which turn 21,000 rpm. What limits, the common combustion engine from turning those kinds of rpm's is the valve train. You can only crank a conventional engine so high, before the valves float, which means the dont close completely, and thus limiting your rpm's. You can help relieve this problem with higher ratio rocker arms, and stiffer valve springs, but you will find the ceiling is still pretty low compared to 14,000 or even 21,000 rpm. The lower half is not the weak point, the valvetrain is. Coates has almost entirely elminated this problem. I remember the article, they did bolt those heads to a stock 302 ford engine. The pull off the heads, and remove the cam, and bolt on their heads, walla. A conventional engine uses 30% of its own power to run the valve train, coates heads use only 10. They are superior in design, and due to the higher effiency, and hotter combustion tempatures, there is hardly any carbon buildup in the oil, and there heads require no coolant, or oil. So what does that mean, a more efficent, more powerful engine, that you would pratically never haft to change the oil of again. Coates has met fierce resistance due to that alone. Imagine never having to change your oil again, if every car in america was so equipped, that would mean billions for oil companies alone not including the improved gas milage. I am looking to put a pair on a 347 short block to be installed in a 91 t bird. If I am succesful and it dosent cost an arm and a leg, I am getting them. I will write back with pricing, and futher details. Hacksaw