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03-29-2010, 08:02 AM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by silverline
As with alcohol. 
Driving a cobra with excessive HP / low-end TQ isn´t funny. If you´re realistic, a well made 468 cubic-incher is enough for a light car. Why go the 482 route than (or even more) and not take the shorter stroke advantages? There´s nothing wrong with 482 in a cuiser, but no chance in my cobra! |
That's your opinion and your welcome to have it. If you believe in the short stroke philosophy, then why not de-stroke it? Chocolate, vanilla and strawberry. They make lots of flavors. A 482 is cruiser? Puh-leeeze. Like anyone could tell the difference between a 4.125 and a 4.25 stroke except for maybe Jack Roush himself.  |
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03-29-2010, 09:28 AM
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CC Member
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Join Date: Nov 2009
Location: Voerde,
NRW
Cobra Make, Engine:
Posts: 13
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Not Ranked
De-stroking? If you want BBC rod journals and no custom made (expensive) crankshaft, 4.125 is the shortest available FE-crank.
482 is cruiser? Of course not, please understand me right. There is a driveability limit in a cobra and - I think - no technical need for 482 CUI.
You like the 4.250 stroke, OK accepted!
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03-29-2010, 10:15 AM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Here's my point.
I'm not saying a 482 is better or worse than a 468, not to mention other "popular" FE builds such as a 496, 511 or a 527. What I am trying to say is that the difference is "rev-ability" is probably so small that a normal person (and for the purposes of this discussion let's say I'm normal, a stretch, I know), couldn't detect the difference.
I will also say that if you search on the FE Forum, more often than not, using an aftermarket block, the FE "gurus" go bigger, not smaller.
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03-29-2010, 10:30 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by RodKnock
I will also say that if you search on the FE Forum, more often than not, using an aftermarket block, the FE "gurus" go bigger, not smaller.
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That seems to be true. Silverline's build is very similar to mine. He didn't mention whether he was going to put an aluminum flywheel or not. It's just one school of thinking on what to put in these cars. Bigger is not always better, more is not always preferable. Rod's car is probably 10% lighter than mine and he has >10% more power than I have (and hydro v. solid, too) and I think we both run Yokos. I'd have to drive it to see what the real difference was in the ramp rate, etc. Who knows, these Yokos only hold so much anyway. |
03-29-2010, 10:54 AM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
Quote:
Originally Posted by patrickt
... he has >10% more power than I have ...
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..try 24% more...
__________________
Chas.
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03-29-2010, 10:57 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by ERA Chas
..try 24% more...
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Uhh, Chas the sideways "v" means "greater than."  |
03-29-2010, 11:32 AM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
I KNOW what it means but you should have used >20-or- >>10.
Nice BS try again.. 
__________________
Chas.
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03-29-2010, 11:45 AM
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CC Member
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Join Date: Dec 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 2,979
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Not Ranked
As Rodknock noted I had the Genesis iron block in my Kirkham. The only problem I had with it was the screw in freeze plugs didn't seal up the first time and dribbled a little. Mine was a 468 because I got it as a package deal with the block and it ran great. No complaints at all.
__________________
Remember, It's never too early to start beefing up your obituary.
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03-29-2010, 11:53 AM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by patrickt
Rod's car is probably 10% lighter than mine and he has >10% more power than I have (and hydro v. solid, too) and I think we both run Yokos.
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Chas, I was going to ignore it, but since you brought it up....
My car weighs 2,128 lbs. I'm willing to bet that Patrick's car is more than > 10% heavier than mine.
Patrick was right when he said that I run Yokos though. |
03-29-2010, 12:31 PM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Quote:
Originally Posted by RodKnock
Chas, I was going to ignore it, but since you brought it up....
My car weighs 2,128 lbs. I'm willing to bet that Patrick's car is more than > 10% heavier than mine.
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Rod,
NEVER ignore a BS attempt when you see one...
My car is 2650 wet-his is at least that (I'm being charitable) with an extra bar, heavier wheels and tires and " tons of aluminum" as he blathers (missing the oxymoron).
At your weight your p/w ratio is 3.5-mine is 4.8. At 500 pounds less, that's like adding 100+ HP. With Nittos or M/T's you can easily run 10.3's all day.
You should do that Dude... 
__________________
Chas.
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03-29-2010, 12:40 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by ERA Chas
Rod,
NEVER ignore a BS attempt when you see one...
My car is 2650 wet-his is at least that (I'm being charitable) with an extra bar, heavier wheels and tires and " tons of aluminum" as he blathers (missing the oxymoron).
At your weight your p/w ratio is 3.5-mine is 4.8. At 500 pounds less, that's like adding 100+ HP. With Nittos or M/T's you can easily run 10.3's all day.
You should do that Dude... |
Only pointing out the weight discrepancy, due to Patrick's inadequate estimates, because I kinda like picking on Patrick. That's all.  |
03-29-2010, 02:08 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by ERA Chas
My car is 2650 wet-his is at least that (I'm being charitable) with an extra bar, heavier wheels and tires and "tons of aluminum" as he blathers (missing the oxymoron).
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I just pulled the results of the "weigh day" we had three years ago. With me not in the car, the weight was 2651 with a half tank of gas and the top and a small satchel of tools in the trunk. Had I known yours would tun out to be a pound lighter I would have drained my tank that morning.
EDIT -- The official chart says I was 2653. I could have still beat you had I just had one less gallon of gas in the car.
Last edited by patrickt; 03-29-2010 at 02:13 PM..
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03-29-2010, 02:15 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Wait a minute...
RodKnock's car weighs 500 lbs. less than mine?!? Damn...
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03-29-2010, 02:32 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Not Ranked
Quote:
Originally Posted by patrickt
RodKnock's car weighs 500 lbs. less than mine?!? Damn...
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Well, if I had one of those plastic distributor gears instead of bronze, then I might have been able shave off another oz. too. Darn it. |
03-29-2010, 02:35 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by RodKnock
Well, if I had one of those plastic distributor gears instead of bronze, then I might have been able shave off another oz. too. Darn it.
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Well, you've got 500 lbs and maybe 100 horses on me. You'd have to strip that distributor gear for me to catch you....  |
03-29-2010, 03:12 PM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
Quote:
Originally Posted by RodKnock
Well, if I had one of those plastic distributor gears instead of bronze, then I might have been able shave off another oz. too. Darn it.
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Dude, you rock-
__________________
Chas.
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03-29-2010, 03:27 PM
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CC Member
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Join Date: Nov 2009
Location: Voerde,
NRW
Cobra Make, Engine:
Posts: 13
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Not Ranked
Quote:
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Originally Posted by patrickt
Silverline's build is very similar to mine. He didn't mention whether he was going to put an aluminum flywheel or not. It's just one school of thinking on what to put in these cars. Bigger is not always better, more is not always preferable. Rod's car is probably 10% lighter than mine and he has >10% more power than I have (and hydro v. solid, too) and I think we both run Yokos.
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Aluminum flywheel.
With the heavier Pond block (had a 390 stroker in it before) my cobra weighs approx. 2.750 lbs. A Pond aluminum block would be very nice, but with historical registration here in germany not the way to go. |
03-29-2010, 04:41 PM
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CC Member
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Join Date: Dec 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 2,979
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Not Ranked
Quote:
Originally Posted by patrickt
RodKnock's car weighs 500 lbs. less than mine?!? Damn...
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My Daytona Coupe weighs less than your car with me in it. Under 2400 without me. So there.
of course it only has a little 347 in it. 
__________________
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