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Old 05-28-2013, 07:26 PM   #1
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Boss intake or Cobra Jet intake

Im wanting to take my car to another level but im stuck with deciding if i should get the boss intake mani or the cobra jet intake mani. does anyone have any insight on which one i should get? i cant find and performance stats on the cobra jet because it aint out yet i dont think. but my overall goal is i want a 500 hp stang, and im hopping one of these will help me out a bit!
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Old 05-28-2013, 07:30 PM   #2
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500 N/A and at the crank or wheels?
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Old 05-28-2013, 07:35 PM   #3
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wheels. but if its possible id like to atleast reach 450 to the wheels. i havnt dyno yet because i think it would be pointless i dont have to much done but eventually id like 450-500 to the wheels.
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Old 05-28-2013, 07:42 PM   #4
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wheels. but if its possible id like to atleast reach 450 to the wheels. i havnt dyno yet because i think it would be pointless i dont have to much done but eventually id like 450-500 to the wheels.
Give up N/A and do FI. Your going to have to start looking at ported headers and plenty more. It is going to cost you more to make 500 at the wheels N/A than it will to go FI.
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Old 05-28-2013, 07:52 PM   #5
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Your not even coming close to 500rwhp, even with the CJ Intake with stock internals and every bolt on. Unless your running a full race gas tune. With all that mentioned.
The best NA 500rwhp package that I've seen is offered from JPC Racing. It's called their Top Dog Package. But by the time you do all that with labor, your over the cost of just throwing a blower on it. I understand the desire to have a badass NA car, I wanted to do that too, but it's not realistic unless your running in some sort of NA class in the NMRA or NHRA or something.

http://www.jpcracing.com/top-dogjpc-...500hp-package/

---------- Post added at 08:52 PM ---------- Previous post was at 08:49 PM ----------

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Your not even coming close to 500rwhp, even with the CJ Intake with stock internals and every bolt on. Unless your running a full race gas tune. With all that mentioned.
The best NA 500rwhp package that I've seen is offered from JPC Racing. It's called their Top Dog Package. But by the time you do all that with labor, your over the cost of just throwing a blower on it. I understand the desire to have a badass NA car, I wanted to do that too, but it's not realistic unless your running in some sort of NA class in the NMRA or NHRA or something.

http://www.jpcracing.com/top-dogjpc-...500hp-package/
I've seen testing from revolution automotive with the CJ intake and a lot of other supporting mods make 500 something Rwhp. But even with that, after install and tuning, you'll be around $3500-$4500 at least. They were running a lot of the components in the top dog package.
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Old 05-28-2013, 07:53 PM   #6
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then whats a realistic number that can be reached?
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Old 05-28-2013, 07:56 PM   #7
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then whats a realistic number that can be reached?
You can easily hit 450rwhp with full bolt ons and e85. That's the only way though, unless you wanna use race fuel or a blower
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Old 05-28-2013, 07:57 PM   #8
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I know I don't have a GT

But I don't see why 450 N/A isn't possible
There's a guy I met locally that put down 394 hp,
All he had done was a custom dyno tune, it seems to me that the factory numbers were underrated.
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Old 05-28-2013, 08:03 PM   #9
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I make 446rwhp SAE on a Dynojet 224xLC and I don't even have headers, no TB, no COP's, no good plugs, no CJ intake, no cams, no head work, no e85, no 8000rpm rev limiter. It's all in the tune.
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Old 05-28-2013, 08:04 PM   #10
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Quote:
Originally Posted by DWC_SmOziLLa View Post
I make 441rwhp SAE on a Dynojet 224xLC and I don't even have headers, no TB, no COP's, no good plugs, no CJ intake, no cams, no head work, no e85, no 8000rpm rev limiter. It's all in the tune.
My point exactly!!!
500 should be a piece of cake :p
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Old 05-28-2013, 08:06 PM   #11
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446 sorry
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Best 1/4: 1.90 60ft. - 12.15 @ 119mph on Street Tires.
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Tuned by Matt Lepkowski, owner and operator a Performance Evolution in Smyrna, DE.
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Old 05-28-2013, 08:17 PM   #12
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Just put a vortech on it and make 650 at wheels lol
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Old 05-28-2013, 09:12 PM   #13
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http://www.modularfords.com/threads/...-RWHP-N-A-Club

Now this^ is with a BOSS I know, but it shows how challenging it is to get to 500whp N/A. I would love to see some 500whp N/A coyotes out there but without deep pockets and wanting to wind the engine way up in the RPM range I just don't see it happening. However a great tune and some favorable conditions and I'm sure its not impossible. Also see Pg3 of the thread for the CJ intake, these guys seem to have some pretty good knowledge about them and they have been bumped back in release 4-8 weeks so you may be waiting a while to get one.
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Old 05-28-2013, 09:14 PM   #14
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Some more info and pics and a video of the CJ Intake:

http://youtu.be/bN5Ee-Zu-_M
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Best 1/4: 1.90 60ft. - 12.15 @ 119mph on Street Tires.
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Tuned by Matt Lepkowski, owner and operator a Performance Evolution in Smyrna, DE.
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Old 05-28-2013, 09:21 PM   #15
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lol I looked at that dyno sheet before the build sheet and was about to be amazed at that cobra jet. LOL. Those "mildly" ported heads are helping a lot. hah.
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Old 05-28-2013, 09:23 PM   #16
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with the boss mani can i use my jlt cai or do i need a new cai or do i have to get a throttle body?
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Old 05-28-2013, 09:25 PM   #17
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with the boss mani can i use my jlt cai or do i need a new cai or do i have to get a throttle body?
No TB needed with the boss. Stock one works fine. Also yes you can use the JLT but you'll have to pick up some fuel line and clamps for the install is all.
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Old 05-28-2013, 09:27 PM   #18
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with the boss mani can i use my jlt cai or do i need a new cai or do i have to get a throttle body?
You'll be fine with the JLT cai. Just purchase a 3" long silicone coupler instead of the 2" you have. This will allow for a little play and a good seal. That was my original setup. Keep your stock TB.
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Best 1/4: 1.90 60ft. - 12.15 @ 119mph on Street Tires.
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Tuned by Matt Lepkowski, owner and operator a Performance Evolution in Smyrna, DE.
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Old 05-28-2013, 09:28 PM   #19
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I know a few guys running N/A and are pushing around 500 to the wheels. One guy who is tuned by PBH is pushing 522 RWHP N/A. If I keep my car I'm going 12.1.1 and should be able to get 550 RWHP.
Here is what you'll need to get to 500 RWHP and I'll send you a pm afterwards Nick.

Comp cams stage 2 (driveability) and all necessary accessories for the cams.
Boss valve springs
Headers, O/R mid.. etc
Cobra jet Intake, FRPP CJ TB and custom CAI. I plan on running the JLT CF with a little tweaks.
47lbs injectors
A damn good dyno tune!

This will get you around 490.... maybe 500 RWHP which is nothing to laugh about.
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Old 05-28-2013, 10:12 PM   #20
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I don't know if it was mentioned but the CJ manifold requires a new throttle body, and afterward you won't pass smog if you're in a smog controlled state. Bang for buck and smog says ill be going with the Boss.
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Old 05-28-2013, 11:32 PM   #21
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Or you could do what Iam doing
Enjoy the car. Dont Muck with it, Build your credit score
leave it bone stock, keep the warranty

Then trade it in for a 2015 GT next year that has been stated to have 475 HP and weigh 300 lbs less. You wont need 500 rwhp to haul major ***. Were talking almost a 12 secound flat Monster
And Under Warranty
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Old 05-29-2013, 05:18 AM   #22
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That would be pretty sweet..
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Old 05-29-2013, 06:08 AM   #23
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Or you could do what Iam doing
Enjoy the car. Dont Muck with it, Build your credit score
leave it bone stock, keep the warranty

Then trade it in for a 2015 GT next year that has been stated to have 475 HP and weigh 300 lbs less. You wont need 500 rwhp to haul major ***. Were talking almost a 12 secound flat Monster
And Under Warranty
That looks a ford focus probably lol
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Old 05-29-2013, 08:05 AM   #24
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Or you could do what Iam doing
Enjoy the car. Dont Muck with it, Build your credit score
leave it bone stock, keep the warranty

Then trade it in for a 2015 GT next year that has been stated to have 475 HP and weigh 300 lbs less. You wont need 500 rwhp to haul major ***. Were talking almost a 12 secound flat Monster
And Under Warranty
I feel like we should just wait, something has to be coming out for the new gt that we can add, arent they staying with the 5.0 engine?
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Old 05-29-2013, 08:09 AM   #25
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I feel like we should just wait, something has to be coming out for the new gt that we can add, arent they staying with the 5.0 engine?
Just tossing ideas around
I think an easy way to hit 475 would be headwork and up the compression
Wouldn't be fun for boost tho :p
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Old 05-29-2013, 08:32 AM   #26
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Just tossing ideas around
I think an easy way to hit 475 would be headwork and up the compression
Wouldn't be fun for boost tho :p
I'd be willing to say, you could pick up a really nice gain by just cleaning the heads up.
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Old 05-29-2013, 03:27 PM   #27
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I feel like we should just wait, something has to be coming out for the new gt that we can add, arent they staying with the 5.0 engine?
I would put money on that "something" being Direct Injection, and you wouldn't be able to add that to an existing 5.0 easily at all.
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Old 05-29-2013, 03:37 PM   #28
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I would put money on that "something" being Direct Injection, and you wouldn't be able to add that to an existing 5.0 easily at all.
Our heads do have the bung hole where they plan to do it. But it would probably be a lot cheaper to go another route, than convert the current set up.
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Old 05-29-2013, 03:42 PM   #29
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Our heads do have the bung hole where they plan to do it. But it would probably be a lot cheaper to go another route, than convert the current set up.
They do ... but, it seems like it would be pretty expensive between the head work, injectors, fuel rails, modified fuel system, wiring harness, and god-knows-what kind of PCM changes/programming would be needed.

I'm pulling that all out of thin air, but it's what I would imagine to be needed in order to retrofit an 11-14 with DFI.

I'm really inclined to agree with the majority above, 500RWHP N/A is really cool, and a lot of us thought about doing it, BUT - it's not financialy realistic if you're more concerned about 500RWHP than being NA. The fact of the matter is you can call up Terry Reeves and get a full Paxton kit with the fuel system, injectors, EVERYTHING and make well over 600RWHP for less. You could accomplish the same goal with a TVS kit from Justin at VMP if PD blowers are your thing too. We all take different strokes, but IMO it's prohibitively expensive to build a 500RWHP NA car unless you have a pile of money and a burning desire to do it.
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Old 05-29-2013, 06:57 PM   #30
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Are we talking 500 on a dynojet or a mustang dyno?
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Old 05-29-2013, 06:57 PM   #31
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That was done on a dynojet
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460.25rwhp & 408.28rwtq SAE on a Dynojet 224xLC
Tuned by Matt Lepkowski, owner and operator a Performance Evolution in Smyrna, DE.
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