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 14Likes
01-03-2016, 03:18 PM
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CC Member
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Join Date: Feb 2003
Location: Jonesboro GA,
Posts: 382
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Not Ranked
Quote:
Originally Posted by Bernica
Nice setup for the intended purpose!
I kind of doubt it would fit under the hood of a Cobra in its current configuration though.  |
Mine fits. 
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01-03-2016, 03:23 PM
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Senior CC Premier Member
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Join Date: Nov 2004
Location: SoCal,
CA
Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader
Posts: 3,574
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Not Ranked
Impressive. Just leaving it exposed and on display? Or going to put a big box over it all?...
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All that's stopping you now Son, is blind-raging fear.......
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01-03-2016, 03:34 PM
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CC Member
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Join Date: Feb 2003
Location: Jonesboro GA,
Posts: 382
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Not Ranked
Flaunt it if ya got it. The black is the guide coat for paint. The intake is a twin 5" true ram air system feeding a 1200 cfm throttle body. Never did se the point of building truly awesome motors like we see in post#1 and topping it with an air filter smaller than my motorcycle's. |
01-03-2016, 02:23 PM
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CC Member
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Join Date: Feb 2001
Location: BRADENTON,
FL
Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
Posts: 1,396
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Not Ranked
O.D. & Brent: Thanks for the education on the heads!
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"When Injustice becomes Law,
Rebellion becomes Duty." T. Jefferson
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01-05-2016, 04:07 AM
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CC Member
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Join Date: Nov 1999
Location: Brisbane, Australia,
Q
Cobra Make, Engine: Contemporary CCX3117 427FE
Posts: 4,381
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Not Ranked
I like reading about 9.2" builds, because they're often something special. Good numbers!
CHI heads do quite well with a bit of boost too... TWO SEVEN-SECOND XW STREETERS
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Craig
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01-05-2016, 05:36 AM
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CC Member
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Join Date: Oct 2014
Cobra Make, Engine: FFR fat block tko 600 9"
Posts: 191
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Not Ranked
All the 2v or 4v heads meant (at the time) was heads for the two barrel or four barrel model cars. Ford used the term "venturi" instead of barrel and the confusion expanded when more than two valve heads showed up, making the term 2v or 4v mean something else entirely.
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If aliens are so smart, why do they always choose to talk to guys named Bubba?
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01-21-2016, 09:10 PM
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CC Member
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Join Date: May 2010
Location: Birmingham,
AL
Cobra Make, Engine: Kirkham 289 FIA, 363 Stroker
Posts: 751
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Not Ranked
I'd like to see independent "Dyno" results for all engines, but i doubt that will happen.
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01-22-2016, 08:03 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
I would too. This engine would be 800-825 on some other dynos.
The sooner that guys realize that dynos are for seeing incremental changes (or for comparing multiple engines at one time), the better off that they'll be. All dynos are not created equal.
The guy that does my dyno work builds circle track engines and got one of Jim Kuntz's dirt track engines on his dyno. At 460 cubic inches with a full dry sump, it was at 800 hp.
I feel pretty justified in my numbers....but the drag strip will tell the whole story.
Now, this isn't the first time you've made an insinuation of this sort on my posts, so if you have a gripe against me, by all means, let's hear it.
Last edited by blykins; 01-22-2016 at 08:18 AM..
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01-22-2016, 09:19 AM
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CC Member
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Join Date: Oct 2003
Location: Tampa,
FL
Cobra Make, Engine: no cobra, 71 Rx2 460windsor
Posts: 117
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Not Ranked
I wasnt griping against you at all, just posting my build. At 460ci my motor is only making in the 650hp range , not anything close to yours at all, but mine is very streetable and has a pretty mild cam with only .625 lift. I could of built for more, but the purpose of going with the 460 size was so that I could make power but still have it completely streetable.
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01-22-2016, 09:21 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Oh no, my response wasn't to you at all.
You have a sweet build going on, it will make lots of power....
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01-26-2016, 10:55 AM
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CC Member
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Join Date: May 2000
Location: Dunstable, Bedfordshire,
UK
Cobra Make, Engine: Dreaming of a 427 Competition car...
Posts: 128
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Not Ranked
That's a fabulous setup, Brent. I think your customer got a great deal on the price too, for what it's worth.
I love reading about these types of build or watching the dyno videos on the interweb but you don't often get to know what the customer paid for a given setup.
I would be seriously tempted to buy a 550 HP Clevor (say, a 427 ci) when the time comes to get my Cobra project underway. I wonder how much that would cost...
Paul 
__________________
1966 Singer Chamois (Hillman Imp) - full race 930cc
1975 Triumph Stag - 3.0-litre
2003 Vauxhall Vectra GSi 3.2 V6
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07-04-2017, 08:42 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Quick follow-up on this one....
Customer finally got the engine in his '69 Mustang. Been fighting suspension and torque converter gremlins, along with a faulty vacuum gauge, but we're making process.
This first run was an 11 second run, with traction loss up to the 60' mark, but the trap speed was 137 mph.
Turn the volume way up, turn the YouTube resolution up to 1080 and let her rip...
https://youtu.be/Ys45hvyrfko
He followed that up with a 9.86 and a 9.82 @ 138, but he was short shifting at 6500 rpm. After looking closely at data logger, we saw that the driveshaft rpm was still way off of the engine rpm, so we expect we are still blowing through the converter. In addition to all of that, the custom aftermarket Powerglide has a 1.58 1st gear, so it's like taking off in 3rd gear....
This engine made 777 hp here with a conservative camshaft. I have another camshaft here that will probably net us around 820 hp. We were sandbagging just so that he could get used to the engine......last one was a 408C making 575hp and he had to totally re-vamp the car/driveline/suspension.
I expect 9.50's at 140+ mph here soon. On engine freshen-up this fall, we plan to swap a few parts so that we can spray next year. |
09-10-2017, 05:28 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Still dialing....
Ran a 9.70 with a 7 at 140.27 and backed it up with a 9.70 with a 3 at 140.98.
Adjusted shift point and ran a 9.671 at 141.38.
Keep in mind this is with a 10.5" drag radial, running an aftermarket Powerglide with a 1.56:1 1st gear. It's like launching in 3rd gear and shifting to 4th.
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09-11-2017, 06:43 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
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