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H/C/I/E LS1 vs H/C/I/E Coyote

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Old Jun 18, 2015 | 10:40 AM
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Default H/C/I/E LS1 vs H/C/I/E Coyote

What are your opinions here. Stock for stock the Coyote is a bit more potent but the LS1 tested had 60K miles whereas the Coyote was a brand new crate motor. Check it out! I am very interested in what you guys think!

http://www.superchevy.com/how-to/0701gm-ls1-dyno-tech/

http://www.mustangandfords.com/how-t...ads-dyno-test/
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Old Jun 18, 2015 | 10:45 AM
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I think that the LS1 engine is roughly 17 year old technology and the Coyote engine is new technology, so for the old tried and true LS1 to be right there with the Coyote, I'd say that speaks volumes for the LSx platform.
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Old Jun 18, 2015 | 10:50 AM
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It would take a very aggressive HCI LS1 to make the power that a basic HCI 5.0 can make. I would love to see a good street race or track run between the two though
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Old Jun 18, 2015 | 11:07 AM
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Gotcha. I agree but I also see it as because it's older technology it has more room to grow since it obviously wasn't optimized in factory guise. The coyote seems to be a more efficient design putting down 463 HP out of the crate a 62 hp advantage over the LS1. However since it is more efficient in factory guise, it doesn't gain as much when the mods come.

Despite everything, I agree and think that the LS1 did a great job holding its own against an engine that came to the market only 4 years ago.
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Old Jun 18, 2015 | 11:09 AM
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The Coyote is also in a heavy *** **** stang, so no thanks.
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Old Jun 18, 2015 | 11:24 AM
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Originally Posted by Rise of the Phoenix
The Coyote is also in a heavy *** **** stang, so no thanks.
I was just referring to the engines. Since the LS1 has found its home in many swaps and the Coyote has been recently offered in crate motor form, you can put whatever car you want around them.
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Old Jun 18, 2015 | 11:35 AM
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I remember reading an article a while back where they ported the stock heads, boss intake and a moderate cam. With full bolt ons it was around 515 rwhp IIRC. If they come out with a good aftermarket casting watch out lol
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Old Jun 18, 2015 | 11:45 AM
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Originally Posted by HCI2000SS
I remember reading an article a while back where they ported the stock heads, boss intake and a moderate cam. With full bolt ons it was around 515 rwhp IIRC. If they come out with a good aftermarket casting watch out lol
Ford modular engines have been out for a long time, and to date, there isn't really a good aftermarket casting out there for them. Those motors are not like the LSx platform in regards to head and cam swaps. How many 03/04 Terminators our there have aftermarket or ported heads? How many of them out there have aftermarket cams? Yeah, there are some with upgraded cams, but not that big of a percentage.
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Old Jun 18, 2015 | 11:58 AM
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Originally Posted by Rise of the Phoenix
Ford modular engines have been out for a long time, and to date, there isn't really a good aftermarket casting out there for them. Those motors are not like the LSx platform in regards to head and cam swaps. How many 03/04 Terminators our there have aftermarket or ported heads? How many of them out there have aftermarket cams? Yeah, there are some with upgraded cams, but not that big of a percentage.
Yep you are totally right. Kinda how it was like years ago with the 2 valve modular...ported stock heads with a cam and intake netted very little power, then Trick Flow finally introduced the first true aftermarket casting and it made a huge difference
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Old Jun 18, 2015 | 12:25 PM
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Originally Posted by HCI2000SS
Yep you are totally right. Kinda how it was like years ago with the 2 valve modular...ported stock heads with a cam and intake netted very little power, then Trick Flow finally introduced the first true aftermarket casting and it made a huge difference
Yep, for the 2v, but not for the 4v. I'm sure that gains can be had by porting 4v heads, or even by having some company create an aftermarket casting, but the gains would be very minimal, and the cost to create them/sales ratio would not be in favor of the manufacturer. Just throw boost at the 4v and it's all good. That's why I love the LSx platform. If you want to stay NA and go with aftermarket heads (or ported stock heads) and a cam, you can net some huge gains, and then if you want to boost it, they are great for that too. The LSx is a versatile engine, while the 4v's are not.
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Old Jun 18, 2015 | 01:28 PM
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Originally Posted by Rise of the Phoenix
Yep, for the 2v, but not for the 4v. I'm sure that gains can be had by porting 4v heads, or even by having some company create an aftermarket casting, but the gains would be very minimal, and the cost to create them/sales ratio would not be in favor of the manufacturer. Just throw boost at the 4v and it's all good. That's why I love the LSx platform. If you want to stay NA and go with aftermarket heads (or ported stock heads) and a cam, you can net some huge gains, and then if you want to boost it, they are great for that too. The LSx is a versatile engine, while the 4v's are not.
Correct me if I am wrong but the 4v heads flow around 300 cfm stock, so to your point, an aftermarket casting is borderline unnecessary. Some porting will net some gains as any head will benefit from a CNC program. This was a mild coyote build and the LS1 used here was a ***** to the wall cam with borderline PTV interference issues. Thats okay because if you look at the era, the Coyote was meant to compete with the LS3. If you go more aggressive with the H/C/I/E setup on the coyote you can approach, if not exceed, 600 N/A horsepower. (cobra jet intake, 1-7/8 headers, more aggressive cams, and some aggressive port work on the heads)


The advantage I see with the LS1, LS2, and LS3 is cost. set of cams is at or more than $1k. Pretty interesting comparison though. The coyote is a beast considering its 302 CI.

Last edited by nwilson44; Jun 18, 2015 at 01:29 PM. Reason: Grammar
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Old Jun 18, 2015 | 01:42 PM
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Originally Posted by Rise of the Phoenix
Yep, for the 2v, but not for the 4v. I'm sure that gains can be had by porting 4v heads, or even by having some company create an aftermarket casting, but the gains would be very minimal, and the cost to create them/sales ratio would not be in favor of the manufacturer. Just throw boost at the 4v and it's all good. That's why I love the LSx platform. If you want to stay NA and go with aftermarket heads (or ported stock heads) and a cam, you can net some huge gains, and then if you want to boost it, they are great for that too. The LSx is a versatile engine, while the 4v's are not.
That's a good point on the versatility aspect. The LS1 based motors are almost like throw back to the old muscle car days where it was done with pushrods and pure n/a power. Then if you wanted to slap on a blower they did great with that too.
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Old Jun 18, 2015 | 02:03 PM
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You also have to remember that the Coyotes have variable cam timing, TiVCT or whatever it's called. From my limited DOHC knowledge, this means you can a much bigger cam for ultimate power while still having tame driving characteristics (and all the midrange you want).

So that engine can have good top end, good mid range and excellent down low. Something not capable with the LSx really, as with any cam you offset power somewhere in the rev range to gain somewhere else. The Coyote can have the benefit of a donkey dick cam with the idle of a stock cam.

That surely will add to overall power if you can play with cam timing like that.
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Old Jun 18, 2015 | 02:34 PM
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Originally Posted by redtan
You also have to remember that the Coyotes have variable cam timing, TiVCT or whatever it's called. From my limited DOHC knowledge, this means you can a much bigger cam for ultimate power while still having tame driving characteristics (and all the midrange you want).

So that engine can have good top end, good mid range and excellent down low. Something not capable with the LSx really, as with any cam you offset power somewhere in the rev range to gain somewhere else. The Coyote can have the benefit of a donkey dick cam with the idle of a stock cam.

That surely will add to overall power if you can play with cam timing like that.
Never knew you could do that with 5.0. That's pretty cool when you think about it lol
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Old Jun 18, 2015 | 02:40 PM
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Originally Posted by redtan
You also have to remember that the Coyotes have variable cam timing, TiVCT or whatever it's called. From my limited DOHC knowledge, this means you can a much bigger cam for ultimate power while still having tame driving characteristics (and all the midrange you want).

So that engine can have good top end, good mid range and excellent down low. Something not capable with the LSx really, as with any cam you offset power somewhere in the rev range to gain somewhere else. The Coyote can have the benefit of a donkey dick cam with the idle of a stock cam.

That surely will add to overall power if you can play with cam timing like that.
That is correct. The 5.0 is equipped with TI-VCT and it is able to infinitely adjust LSA. However, the bigger the cam you get the more you have to limit the computer's ability to advance or retard the camshafts due to the increasing threat to PTV issues. The benifits are there though as it can continuously optimize the cam timing to driver input or tune.

i am still surprised at how well the LS1 did post mods.
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Old Jun 21, 2015 | 06:17 PM
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So an MS4 with TSP heads can make around 550 to the motor? Damn
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Old Jun 21, 2015 | 06:26 PM
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Originally Posted by MikeWS6
So an MS4 with TSP heads can make around 550 to the motor? Damn
Buddy of mine has TSP 5.3 heads with a MS4 and made 480 rwhp. Of course it's just a dyno number, but the performance backs up those numbers pretty well
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Old Jun 22, 2015 | 02:08 AM
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Originally Posted by nwilson44
I was just referring to the engines. Since the LS1 has found its home in many swaps and the Coyote has been recently offered in crate motor form, you can put whatever car you want around them.
No you can't, because that dohc motor is big as ****. There's a reason no one uses them in swaps, because they wont ******* fit.
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Old Jun 23, 2015 | 07:17 AM
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Originally Posted by DietCoke
No you can't, because that dohc motor is big as ****. There's a reason no one uses them in swaps, because they wont ******* fit.
I was reading down through this thread and about to say the same thing. The LSx has a tiny footprint compared to the Coyote. A good number of us swap guys have limited room because we're replacing a rotary/4 cylinder with a V8. RX-7, Miata, 240SX, the various Z's, S2000, etc... there is no way a Coyote would fit in these bays without major surgery. Not to mention the plethora of available donors out in junkyards.

Ryan
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Old Jun 23, 2015 | 07:36 AM
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Originally Posted by ryan23
I was reading down through this thread and about to say the same thing. The LSx has a tiny footprint compared to the Coyote. A good number of us swap guys have limited room because we're replacing a rotary/4 cylinder with a V8. RX-7, Miata, 240SX, the various Z's, S2000, etc... there is no way a Coyote would fit in these bays without major surgery. Not to mention the plethora of available donors out in junkyards.

Ryan
That is another great point. I saw a while back a picture of a Coyote motor sitting next to a LSx. The size difference was crazy.
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