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CC Advertisers
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12-18-2003, 04:33 PM
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CC Member
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Join Date: Oct 2003
Location: So Cal,
CA
Cobra Make, Engine: FFR Daytona Coupe Road Racer, 351W (SOLD)
Posts: 73
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Not Ranked
351W: 14000rpm, 1000hp
anyone ever heard of this company?
http://www.coatesengine.com/
they make rotary valve systems. They apparently built a 351W that spins to 14000rpm, makes 1000hp, gets better gas milage, lower emmissions, etc.
It looks like they're not in that market anymore, but pretty cool none the less.
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12-18-2003, 05:01 PM
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CC Member
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Join Date: Aug 2002
Location: Dacula, (Atlanta),
GA
Cobra Make, Engine: Unique 427 SC, Southern Automotive 427W Stroker
Posts: 1,649
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Not Ranked
If you could afford something like that, I doubt gas mileage would be a serious consideration. Probably be a slam dunk at my local neighborhood car shows.
__________________
After a good hard ride.....oil pressure is over 50, temp is below 190, she idles and no new dents. LIFE IS GOOD!
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12-18-2003, 05:01 PM
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Banned
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Join Date: Oct 2003
Location: Yorba Linda,
CA
Cobra Make, Engine: SPF w/392CI stroker
Posts: 3,293
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Not Ranked
Very  ! |
12-18-2003, 05:12 PM
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CC Member
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Join Date: Oct 2003
Location: So Cal,
CA
Cobra Make, Engine: FFR Daytona Coupe Road Racer, 351W (SOLD)
Posts: 73
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Not Ranked
Quote:
Originally posted by Tony Radford
If you could afford something like that, I doubt gas mileage would be a serious consideration. Probably be a slam dunk at my local neighborhood car shows.
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the gas milage thing isn't cool because of the $$$s rather just that it shows how efficient their technology is. |
12-18-2003, 05:19 PM
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CC Member
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Join Date: Jul 2002
Location: rocky river,
Oh
Cobra Make, Engine: Unique 289FIA / SA 351W / a truly glorious machine
Posts: 3,949
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Not Ranked
I think that's the same engine that powers the space shuttle.....
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12-18-2003, 11:04 PM
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CC Member
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Join Date: Sep 2002
Location: Baton Rouge, Louisiana,
La.
Cobra Make, Engine: Waiting to Order a BDR, engine to be a SA C408. TKO to hook it up.
Posts: 1,259
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Not Ranked
From a mechanical standpoint it has a LOT of advantages.
physically a little bigger
I wonder what it sounds like ?
__________________
Pull a gear .... drop the hammer .... and enjoy the Drive !!
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12-19-2003, 07:58 AM
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CC Member
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Join Date: Dec 2000
Location: Ft. Worth,
Tx
Cobra Make, Engine: Lone Star Classics, 302
Posts: 128
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Not Ranked
I think the sound question is very valid. I first read of these engines a couple of years ago. The make a point of down-playing the valve duration and overlap...both of which contibute to that sweet sound we love.
__________________
David
"ANYBODY can BUY a car"
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12-19-2003, 08:14 AM
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Senior Club Cobra Member
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Join Date: Mar 2002
Location: God's country,
ME
Cobra Make, Engine: Original ERA 427sc, Powered by Gessford
Posts: 2,678
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Not Ranked
Does anyone have any technical info on these? I'd love to read it. Sure is purty.
__________________
Replica is not a dirty word.
"If you can't be a good example, then you'll just have to be a horrible warning."
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12-19-2003, 12:28 PM
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CC Member
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Join Date: Jul 2001
Location: Southwest,
WI
Cobra Make, Engine: Shell Valley, Mopar thingy (small block of course)
Posts: 2,215
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Not Ranked
Certainly has advantages not having to worry about valve float, valve reliefs in the pistons, bending a pushrod, the right springs for the cam etc. Though if you want to change your cam profile it looks like you need to replace lot's of stuff in the heads instead of some lifters, cam and springs. Better choose right the first time.
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Brent Dolphin
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12-19-2003, 12:47 PM
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CC Member
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Join Date: Jun 2003
Location: Freedomia,,
Il
Cobra Make, Engine: Coupe,Blue w/white stripes SB; Roadster, Blue w/white stripes BB w/2-4s; SPF installer/Hot Rod-Custom Car builder
Posts: 1,376
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Not Ranked
There was Top Fuel car several years ago (may have been a decade or two actually, I've slept since then) that tried it. It does offer a lot of neat possibilities, but apparently more drawbacks than rewards at the time. I would think sealing and machining costs may have been two. With all the CNC stuff now the machining aspect may heve been eliminated..
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WDZ
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12-19-2003, 12:50 PM
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CC Member
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Join Date: Aug 2000
Location: Apex NC USA,
NC
Cobra Make, Engine: RCR Lola Spider
Posts: 232
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Not Ranked
That valve design in relatively old, being used in some aircraft engines from the 40s. I also think I remember that Benz patented it back on those days too but not sure. Looks like sealing could be a big problem with them over the time.
If they want to get into the game they need someone to license that technology or start making aftermarket heads. Cool stuff!!!
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12-19-2003, 01:17 PM
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CC Member
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Join Date: Jul 2001
Location: Southwest,
WI
Cobra Make, Engine: Shell Valley, Mopar thingy (small block of course)
Posts: 2,215
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Not Ranked
They used to have sealing problems with rotary engines at first too. I think if someone really wanted to get this going it should be possible. Although I would think a rotary disk spinning on the same plane as the cylinder would be better, I can see space as an issue and it would be hard to get one disk to operate intake and exhaust.
__________________
Brent Dolphin
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