LS7 or Coyote?

[henrik]

Originally Posted by Modena

An LS7 with one of these on top.....

Now THAT is a very nice top

Do not like the K&N style, but the top... wow

And don't forget that for some of us not living in the States, Ford has been a problem to get pass inspection (and getting spare parts)

[OZCOBRA]

Originally Posted by sambo

Picture the moment when you pop the bonnet... what do you see?

WINDSOR.......Thanks MANDO .......At least i know what mine will look like!!!!...

[IMG][/IMG]

[jlee910]

I say neither. All LS engines have an in block hydraulic roller cam. The new modular Fords have dual overhead cams. This means that initially, the DOHC set up with outperform and even get better gas mileage in some cases, but over time, the timing chains will stretch and the fuel economy and performance advantages will gradually disappear. I'm working my way to a Factory Five Type 65 Coupe and plan to drop a Ford Racing 427 in it. The 427 has comparable power to the LS7 and also has a hydraulic roller cam, but it does not require the exhaust, dry sump system, engine mounts.... Modifications that would cost thousands upon thousands on most kit Cobras and T65s. I believe the Ford modular engines would meet 200,000 miles with regular street use before they required new timing chains. (My Dodge 4.7 needed them at 120,000. It was to the point of misfiring.) I know a few people with LS1 and LS3 engines that have upwards of 400,000 miles without a problem. Due to my experiences, I would go either Ford or Chevrolet. Chevrolet's cam-in-block engines are generally newer and lighter, thus more expensive. If you want a flawless car you can pass all of the way to your grandkids, steer clear of DOHC engines. My current car is a 2006 Ford Mustang GT with the factory 4.6 3V. I wouldn't hesitate to circumnavigate the country in it, but by no means, do I think it will last like a hydraulic roller cam engine. It's all in your choice. For the price, a Coyote can hardly be beat, but I want something I can retire with and never have to touch with a wrench again, so I'm sticking to hydraulic roller cam engines. I've had enough lemons for a lifetime. Not all lemons make lemonade.

__________________________________________________ ___________
Current: 2006 Ford Mustang GT 4.6 3V JLT Stage 3 CAI SCT X3 Tuner
Future: Factory Five Racing Type 65 Coupe Ford 427 & Tremec 6 Speed Manual

[Mando]

Originally Posted by OZCOBRA

WINDSOR.......Thanks MANDO .......At least i know what mine will look like!!!!...

[IMG][/IMG]

Thanks Ozcobra. I think my engine bay will look a bit different once I get my motor back in and connect the new hoses and fittings.
I think I've listed some of the changes previously but these are the changes I'm doing:
-Braided hoses throughout with black/silver fittings
-Teflon hoses to to entire fuel system
-Boss 302 rocker covers
-Weber water manifold
-Harrison tank
-Air bleeders to the top of one of the heater hoses and to the top radiator hose
-Shutoff valve to heater line
-New recovery tank
-Bead blast the stainless steel spinners
-Install a bung into the bottom of the radiator for easy drainage
-New dipstick
Of all the changes the thing that excites me the most is looking at my new dipstick

Regards.

[Merv and Sharon]

A lovely motor! But in a Cobra ... we now have a new choice!

[sambo]

Modena, any idea what that Harrop setup would cost?

Edit: found it. They have a couple of product pages and this one has the price. Lotsa money for only around 20kW - looks the business though!

http://www.harrop.com.au/root_folder..._standard.html

[DaveW]

I've gone the LS7 route, its such a proven performer now and with the OZ Dollar so strong and the general financial condition in the U.S. there are great deals to be had, I've got mine on the way DToD for $A15,127 , includes ecu, harness kit, accessory package (excluding AC), freight and about 500 other little import charges. Dont just email, ring them, they are ready to deal, i bought mine through "crateenginedepot.com" its due here in oz 4/11.

[Mando]

I've always been a Ford motor or it's nothing sort of guy but if I was starting my build today I'd be using the LS7. I'd have 8 throttlebodies installed and relocate the coils. There is a guy in WA that put an LS7 into his brand new black Superformance that looks fantastic even without the throttlebodies. Good luck, great choice.

Regards.

[Wazza]

The sound of Paul's ( The guy in WA ) Cobra is brilliant...
I play this clip regularly.......

http://www.youtube.com/watch?v=mY2EYgsFXf8


keeps me moving forward, although very slowly, to hearing, the same sound every day when I start mine up.

Cheers Paul......Good job.

Warren

[Wazza]

And,

Another clip of the same car once it was all completed....extra roll bars, and engine covers changed to "Cobra 427" etc.

http://www.youtube.com/watch?feature...notation_77304

Hot Car !

[gsharapa]

Here is how a Cobra is suppose to sound..........big block Ford!

http://www.youtube.com/watch?v=mVt2Wp9VRX0

http://www.youtube.com/watch?v=exJRwo8eDqU

[Dimis]

gsharapa - BBF would be nice, but unfortunately not an option... Local authorities have killed it down here.

Wazza - Originally, I never considered anything other than a ford in a Cobra... but when I first saw Paul's LS7 SPF by "marksworkshop" sometime ago, I had a change of opinion about what DNA goes under the bonnet.
I was all set to bite the bullet on an LS7... then what do you know, the Coyote reared its ugly head, hence this thread.

Given the choice Mando's 347 build looks the part. Love those build picks Mando, you have put together one fantastic looking ride.

Sambo - Sound advice! I've decided, I'm 100% sure that I "maybe" want to see an 8-stack injection (or perhaps a SC) for that retro look under the bonnet...

Modena - that cross flow system looks awesome... that would look the part in a cobra.

Currently Poll shows LS7 in front at this stage with a vote ratio of about 5:1


Thanks
Anth

[Heidelberg]

Hi guys,

I'm obviously biased as I chose a LS7 - have never regretted it - in fact the LS7 has far exceeded my expectations...It's a great motor and I think a perfect match for a Cobra...just over 5000 kms and it still puts a huge smile on my face every time I start her up!....You can drive it as sedately as you like, and when the mood and conditions allow a more spirited experience, it will deliver as much punch in the middle of your back as I personally think most people could ever want or handle!

We all know the whole GM vs Ford argument and most cobra owners I have met would probably follow their hearts and have a nice Ford BB in their Cobras if it was a legal option in Aust...but it's not (well not without running LPG), so were put into a position of having to make a judgement call...

In the US, it's a different story, but I think here in Aust, it doesn't really matter - the essence of Cobra ownership is about living a dream and through Cobra ownership, I've met an absolute great bunch of guys with Ford small blocks, Ford quad cams, various GM LS series motors, Toyota quad cam V8's all living their dream and having a ball!

My view is to buy whatever motor scratches your itch and allows you to live the dream!

Regards....Paul

[eschaider]

Originally Posted by Heidelberg

Hi guys,

I'm obviously biased as I chose a LS7 - have never regretted it - in fact the LS7 has far exceeded my expectations...It's a great motor and I think a perfect match for a Cobra...just over 5000 kms and it still puts a huge smile on my face every time I start her up!....You can drive it as sedately as you like, and when the mood and conditions allow a more spirited experience, it will deliver as much punch in the middle of your back as I personally think most people could ever want or handle!

We all know the whole GM vs Ford argument and most cobra owners I have met would probably follow their hearts and have a nice Ford BB in their Cobras if it was a legal option in Aust...but it's not (well not without running LPG), so were put into a position of having to make a judgement call...

In the US, it's a different story, but I think here in Aust, it doesn't really matter - the essence of Cobra ownership is about living a dream and through Cobra ownership, I've met an absolute great bunch of guys with Ford small blocks, Ford quad cams, various GM LS series motors, Toyota quad cam V8's all living their dream and having a ball!

My view is to buy whatever motor scratches your itch and allows you to live the dream!

Regards....Paul

Well said Paul.


Ed

[boxhead]

Originally Posted by Heidelberg

Hi guys,

I'm obviously biased as I chose a LS7 - have never regretted it - in fact the LS7 has far exceeded my expectations...It's a great motor and I think a perfect match for a Cobra...just over 5000 kms and it still puts a huge smile on my face every time I start her up!....You can drive it as sedately as you like, and when the mood and conditions allow a more spirited experience, it will deliver as much punch in the middle of your back as I personally think most people could ever want or handle!

We all know the whole GM vs Ford argument and most cobra owners I have met would probably follow their hearts and have a nice Ford BB in their Cobras if it was a legal option in Aust...but it's not (well not without running LPG), so were put into a position of having to make a judgement call...

In the US, it's a different story, but I think here in Aust, it doesn't really matter - the essence of Cobra ownership is about living a dream and through Cobra ownership, I've met an absolute great bunch of guys with Ford small blocks, Ford quad cams, various GM LS series motors, Toyota quad cam V8's all living their dream and having a ball!

My view is to buy whatever motor scratches your itch and allows you to live the dream!

Regards....Paul

Here Here, someone who knows what it is all about.

[Marvin]

My spf has 428cj, nice engine, makes all the right sounds but if i was building one now would proly go with 331 or the new twincam Ford,
Just a Ford man can't help it, but have had lots of GM cars also.

I love my SPF with BB Ford but the fuel milage could be better.
marvin

[*Cobber*]

Still yet to see a coyote in the flesh but it does look like an awesome motor on paper. When you go away from the 289's and 427's what's original anyway. GM is good value hp per $ but the coyote would scratch my itch if I were building again. Coyote V8 $6,500, ECU and pedal harness $1,500 Supercharger $5,900 Hello 750hp all plug and play and 50 state smog legal so I couldn't see an issue with putting it over the pits in Australia.

It's great not having to worry about converting the $ now too.

http://www.fordracingpartsdirect.com/

[BT SNAKE]

To me this would have been an easy decision before
the Coyote came out. If I lived in Australia then
the LSX's would have gotten the nod. But now after
doing a bunch of reading about this Coyote I would
seriously consider it. I saw a dyno sheet for a 32V 4.6 with a supercharger register 690 HP to
the rear wheels. That's not a typo. I also have a
good friend who has been with Ford engine development for 33yrs. He says we ain't seen nothing yet. He said the Coyote is worth way more power than people know. There is new stuff being built as I write this. So we shall see.

Hersh

[hsv300]

Originally Posted by BT SNAKE

I saw a dyno sheet for a 32V 4.6 with a supercharger register 690 HP to
the rear wheels. That's not a typo.

Hersh

I have the same engine in my Cobra if you are talking about the 2003/2004 Terminator motor simply the smoothest supercharged motor I have driven I'm sure the Coyote will be the same.

Greg

[eschaider]

Originally Posted by BT SNAKE

... I saw a dyno sheet for a 32V 4.6 with a supercharger register 690 HP to the rear wheels. That's not a typo. I also have a good friend who has been with Ford engine development for 33yrs. He says we ain't seen nothing yet. He said the Coyote is worth way more power than people know. ... -Hersh

You are absolutely right Hersh, 690 to the tire for the "old ModMotor" is not a big deal. They can reliably produce over 800 HP at the rear tire with extraordinary street manners and mileage in the mid 20's (they also start easily on cold mornings). They new Coyote engine is basically the old ModMotor after Ford brushed its teeth and combed its hair.

The Coyote heads flow spectacular numbers on both the intakes and the exhaust. It is worthwhile remembering that this engine produces the same power from 299/300 inches naturally aspirated as the 03/04 Terminators did off the showroom floor with an Eaton blower from 281 inches - and at essentially the same engine speed.

Put a Whipple or KB on the Coyote (or a 4.6) and it gives new meaning to the old phrase "lightning in a bottle"! BTW you don't have to do any bracketry engineering or blower drive engineering for the ModMotor. Ford has the parts ready made sitting on the shelf. A Ford Dealership in Minnesota will sell you parts at 10% over dealer cost. Here is their website => Tousley Ford

A nice side benefit of this engine choice is it is essentially the same size as a 427 SOHC but only weighs about 450 lbs dressed, so the front of the car is not only light but when you open the bonnet the eye candy is stunning. Here is a picture of a blown ModMotor



The supercharged Coyote's are just around the corner.

Ed

p.s. for our brothers in OZ (who probably already know) the 750/800 RWHP translates into 550/600 KW at the tire.