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2Likes
11-05-2012, 09:15 AM
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CC Member
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Join Date: Sep 2008
Cobra Make, Engine: csx4163 full comp alu. body
Posts: 368
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Not Ranked
I started to think about my cars and my friends cars, both finished and under construction and every one has fuel injection or will have. I'm talking about a wide range of engines. 59 corvette with ls7, 55 chevy , 49 mercury, zo6 corvette, twin turbo dune buggy, both my cobras, my sons 76 cj7 jeep and you could go on and on. All have check engine light and plug in port to check codes. Also with the exception of the inline 6 in the cj7 jeep of my son, none of the others use oil . The cj7 has a stroked crank and I suspect the pistons are the problem, uses a quart of oil about 2000 miles. The pistons were custom made 20 years ago or so, 8 sets were ordered at the time to get price break, and these were the last set used in this engine. Not happy and not except-able in this day and age.
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11-05-2012, 10:24 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: 9,591
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Not Ranked
Quote:
Originally Posted by fordracing65
I know plenty of guys who use Fast efi or Big stuff 3 programs that would never touch a carb again for street use, it seems even the bad efi setups are better than the best carbs for street...
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I think there are plenty here on ClubCobra who would argue that point.
If and when an EFI system is perfected, both installation, setup, tuning, a true plug and play system, I may be a buyer. But I haven't seen anything that folks haven't complained about.
And of course, there are some that are just downright fugly and I wouldn't buy it based on aesthetics.
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11-05-2012, 10:37 AM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
EFI in my Cobra?
It'll be installed right after the airbag.
__________________
rodneym
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11-05-2012, 11:23 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,521
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Not Ranked
Quote:
Originally Posted by blykins
My race motors don't get loose clearances....
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Maybe it depends on what their definition of "loose" is.
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11-05-2012, 12:09 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: 9,591
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Not Ranked
Quote:
Originally Posted by rodneym
EFI in my Cobra?
It'll be installed right after the airbag.
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Passenger side, right? I thought you installed the driver's side already.
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11-05-2012, 12:45 PM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
I think oil consumption is obvious different from car to car, build an aftermarket engine with any power adder, turbo, supercharge, or nitrious and use a carb and then use efi and then come talk to me, efi is far far superior, Kyroyer engines builds some of the finest efi engines around at a cost but they work like a dream, its a fact carbs work, efi works better, not these self learning systems I mean real tunable efi...
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PRIDEnJOY
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11-05-2012, 01:09 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: 9,591
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Not Ranked
Quote:
Originally Posted by fordracing65
I think oil consumption is obvious different from car to car, build an aftermarket engine with any power adder, turbo, supercharge, or nitrious and use a carb and then use efi and then come talk to me, efi is far far superior, Kyroyer engines builds some of the finest efi engines around at a cost but they work like a dream, its a fact carbs work, efi works better, not these self learning systems I mean real tunable efi...
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You must read posts more carefully. I didn't say carbs are superior to EFI.
You said bad EFI setups are better than carbs. I said most folks would argue that point.
I said that there aren't many, if any, on ClubCobra with EFI that works properly 100% of the time.
And I said if they work properly, look good aesthetically, and aren't priced stratospherically, then I'll buy it and install it.
How many here on ClubCobra with a Kroyer or "Kyroyer" engines? Please let me here from you. Do you have EFI? How's it working for you?
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11-05-2012, 01:13 PM
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CC Member
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Join Date: Aug 2007
Location: Carlsbad,
Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
Posts: 2,616
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Not Ranked
And away we go!
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Jim
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11-05-2012, 02:13 PM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
Quote:
Originally Posted by RodKnock
You must read posts more carefully. I didn't say carbs are superior to EFI.
You said bad EFI setups are better than carbs. I said most folks would argue that point.
I said that there aren't many, if any, on ClubCobra with EFI that works properly 100% of the time.
And I said if they work properly, look good aesthetically, and aren't priced stratospherically, then I'll buy it and install it.
How many here on ClubCobra with a Kroyer or "Kyroyer" engines? Please let me here from you. Do you have EFI? How's it working for you?
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I have one and it works awesome, thanks for asking...and any 8 stack efi looks pretty cool and aesthetic...
__________________
PRIDEnJOY
Last edited by fordracing65; 11-05-2012 at 02:18 PM..
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11-05-2012, 02:26 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: 9,591
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Not Ranked
Quote:
Originally Posted by fordracing65
I have one and it works awesome, thanks for asking...and any 8 stack efi looks pretty cool and aesthetic...
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Please post a video for us. I would like to hear it go through the gears.
I'd also like to see your "aesthetic" setup.
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11-05-2012, 03:14 PM
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CC Member
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Join Date: Jan 2009
Location: Jonesboro,
AR
Cobra Make, Engine: Backdraft 874 solid red Roush 427 small block 515 hp
Posts: 572
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Not Ranked
Airbag
Quote:
Originally Posted by RodKnock
Passenger side, right? I thought you installed the driver's side already.
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My airbags block views of rear safety camera.
Russell
__________________
There were no atheists in the foxholes.
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11-05-2012, 04:09 PM
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CC Member
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Join Date: Aug 2007
Location: Carlsbad,
Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
Posts: 2,616
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Not Ranked
Just got more great news:
It appears that after rebuilding the engine and needing new pistons due to the cracks on two of them, I also need to replace some of the valves and all of the guides as a few of the valves and all of the guides are showing more than normal wear. The builder remarked that this engine looked like it had been run without oil. Not on my watch, but who knows what happened before it was delivered to me. There goes another $1200 just for head work.
At least I am going to have the most expensive Roush 427 SRTW ever rebuilt.
Can't take away my bragging rights!
Now, can anyone tell me how to grind off the ROUSH name from my air cleaner lid? I've already replaced the valve covers with generic Ford covers.
__________________
Jim
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11-05-2012, 04:59 PM
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CC Member
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Join Date: Sep 2011
Location: Loudon,
Tn
Cobra Make, Engine: Superformance#2352/Aluminum SO/490 c.i. 650 h.p. 605 tq.
Posts: 410
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Not Ranked
Quote:
Originally Posted by jhv48
Just got more great news:
It appears that after rebuilding the engine and needing new pistons due to the cracks on two of them, I also need to replace some of the valves and all of the guides as a few of the valves and all of the guides are showing more than normal wear. The builder remarked that this engine looked like it had been run without oil. Not on my watch, but who knows what happened before it was delivered to me. There goes another $1200 just for head work.
At least I am going to have the most expensive Roush 427 SRTW ever rebuilt.
Can't take away my bragging rights!
Now, can anyone tell me how to grind off the ROUSH name from my air cleaner lid? I've already replaced the valve covers with generic Ford covers.
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Damn Jim, what the hell happened to your engine!!!!!!!
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11-05-2012, 06:46 PM
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CC Member
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Join Date: Aug 2007
Location: Carlsbad,
Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
Posts: 2,616
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Not Ranked
I wish I knew. When the heads were removed, there was no cross hatch visible in any of the cylinders. Should have been visible with 13,000 miles. There were even a couple of tiny gouges in two of the cylinder walls. A couple of lifters were showing abnormal wear. The heads are being rebuilt due to wear. Either this engine was just a POS from the get go or maybe it was accidentally run without oil before I received the car. Who knows?
All I know is the rebuild is costing more than the original cost of the engine. I guess I just expected more. Should have gone with another engine builder. Why Roush feels they have to build an engine with looser tolerances is beyond me. If I had read their exclusion paragraph, I would have passed and bought another engine.
Oh we'll, it's only time and money. But it's my f--kin time and money.
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Jim
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11-05-2012, 10:42 PM
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CC Member
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Join Date: Jun 2006
Location: Pattaya,
Posts: 479
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Not Ranked
Gee
Can of worms
What happens if u are looking at buying a cobra that has a Roush motor. Sounds like a number of u haven't known the issues until u have stripped it down. I know this is the case with all engines but the chance of getting a dog sounds greater in a 427R Roush than other motors.
I would expect a street motor to be good for 20k or more surely.
Bruce
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11-05-2012, 10:42 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: 9,591
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Not Ranked
Quote:
Originally Posted by jhv48
Oh we'll, it's only time and money. But it's my f--kin time and money.
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That's a good attitude.
Plus you live in a great town. Take a drive to the beach and watch all your worries melt away.
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11-06-2012, 06:02 AM
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Senior Club Cobra Member
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Join Date: Jan 1999
Location: MARKSVILLE,LA.,,
Posts: 3,235
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Not Ranked
Quote:
Originally Posted by jhv48
I wish I knew. When the heads were removed, there was no cross hatch visible in any of the cylinders. Should have been visible with 13,000 miles. There were even a couple of tiny gouges in two of the cylinder walls. A couple of lifters were showing abnormal wear. The heads are being rebuilt due to wear. Either this engine was just a POS from the get go or maybe it was accidentally run without oil before I received the car. Who knows?
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Last year I bought a car in a junk yard that had a 1994 Mustang GT 302 engine transplanted in it, it was in fairly good running condition, I mainly needed the block and a few other parts off the engine...Best we could tell, that engine had over 75,000 miles on it and when I tore it down,you could still see the cross hatch in all the cylinders and this engine did have a rough life up to that point.....
I don't have any idea what happened to your engine, but what you describe should not have happened in 13,000 miles and what other have been describing with their Roush engines with that or less mileage is not good...
David
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DAVID GAGNARD
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11-06-2012, 11:44 AM
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CC Member
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Join Date: Oct 2003
Location: Queen Creek,
AZ
Cobra Make, Engine: Midstates, Vette suspension, Baer 6P brakes, 540 cid Chevy, Haltech Fuel Injection
Posts: 906
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Not Ranked
RodKnock,
My engine(s) has run a Haltech EFI since 1996 (thats right 1996). When I switched from the little 427 to the 540 a few years ago, I did have it retuned for WOT on the dyno (540 rwhp). I also did about 2 weeks of driveability tuning after that and it has run great again for about 4 years. As far as going thru the gears, I do it all the time and the car runs mid 10s on pump gas and street tires (does yours?). You have no business arguing that EFI doesn't work well. All the OEMS can produce 600HP and have great driveability with EFI. However there are a lot of folks living in the past that do not understand the systems well enough to tune them and won't take the time to think the systems through who will never figure them out. These folks are the complainers - if you don't understand, complain - forget learning something... Anyway, EFI works great if you understand it, in fact mine is really simple to make corrections with a laptop, you just have to be able to use the laptop
__________________
E. Wood
ItBites
10.69 @ 129.83mph - on pump gas and street tires
Last edited by ItBites; 11-06-2012 at 11:45 AM..
Reason: fixed spelling error
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11-06-2012, 12:22 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: 9,591
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Not Ranked
Quote:
Originally Posted by ItBites
RodKnock,
You have no business arguing that EFI doesn't work well.
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You didn't read and/or understand a word I said. So, a response is superfluous.
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11-06-2012, 12:32 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: 9,591
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Not Ranked
Quote:
Originally Posted by ItBites
RAs far as going thru the gears, I do it all the time and the car runs mid 10s on pump gas and street tires (does yours?).
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Oops! I did want to respond to one item in your post.
I've never run my Cobra in the 1/4 mile. It's likely I won't either.
But, let's race the old fashioned way. Like cavemen. Forget the cars for a moment and let's race on foot, say 40 yards, a 100 meters, a 5K, a 10K or even a triathlon. I don't care, though my swimming technique needs some work.
Last edited by RodKnock; 11-06-2012 at 12:36 PM..
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