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Boss 302R exhaust cams *M-6550-M50BR*

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Old 6/4/12, 05:22 AM
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Boss 302R exhaust cams *M-6550-M50BR*

Has anyone installed these yet? I'm looking to stay N/A with my car and I was wondering what gains could be had with these? I've searched but have only seen it discussed a few times, but no actual data

Anyone?


http://www.fordracingpartsdirect.com...6550-m50br.htm
Old 6/4/12, 07:42 AM
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Originally Posted by PonyXpress
Has anyone installed these yet? I'm looking to stay N/A with my car and I was wondering what gains could be had with these? I've searched but have only seen it discussed a few times, but no actual data

Anyone?


http://www.fordracingpartsdirect.com...6550-m50br.htm
That's the cam that comes stock on your Boss.

They're selling them for GT owners that want to upgrade to the Boss cam. It has 1mm additional lift (though same duration) over the GT cam.

If you want more radical cams, Comp Cams sells a few different NA cams for these motors.
Old 6/4/12, 08:02 AM
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Go big or go home comp 191160 cams ... Make the most out of the available power for the Boss intake and utilize the power it makes in the upper RPMs. With the CNC'd heads and intake manifold I wouldn't be surprised to see around 30+ HP added with these cams judging by improvements that can be had with the 3V with similar mods.
Old 6/4/12, 09:23 AM
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Sorry, I wasn't paying attention to which one I clicked on, I meant this one? I saw it mentioned in another thread a while back.

M-6550-M50BEXH
*13mm Lift - 290 Duration

That being said, I'm just doing some research on ways I can make 500rwhp without going forced induction. I want to keep my LS naturally aspirated and looking to see what parts I can get from Ford Racing to get me close (hoping for that new CJ intake manifold/tb/intake to become available).
Old 6/4/12, 09:39 AM
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It looks like the only real difference between the CJ manifold and the Boss 302 is that with the CJ you can run a much larger oval style TB on it.

Your real gains are going to be made in aftermarket heads, cams, LT's, UD pullies if they make any for the 5.0. JPC has a kit that will make 500 HP and they are using regrinded cams which says a lot about their regrind program.

I hear you on the N/A though, before I decided to get a 5.0 and then ditch that and get my dream Boss 302 I was going to do a 420 HP N/A 3V build. I just love big power N/A cars!!
Old 6/4/12, 10:15 PM
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Originally Posted by RTD
That's the cam that comes stock on your Boss.

They're selling them for GT owners that want to upgrade to the Boss cam. It has 1mm additional lift (though same duration) over the GT cam.

If you want more radical cams, Comp Cams sells a few different NA cams for these motors.
So this isn't right?

http://media.ford.com/images/10031/2...s_LS_Specs.pdf

Also, I'm reading up on the new CJ and this is saw this:
"We tested some camshafts. The original Boss program had a 13mm-lift intake cam. That was pulled out of the program and they went back to a 12mm, so it's a common intake cam. We kept the original Boss intake cam in the Cobra Jet and we're going to offer it for sale in the catalog. We're using the stock Boss 260-duration intake cam, and then we are using a 290-duration exhaust cam that we developed with the mainstream guys. We're selling that cam as well," Robert explained



I'm lost as to what cams are actually in the car now

Last edited by PonyXpress; 6/4/12 at 10:48 PM.
Old 6/5/12, 04:57 AM
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Originally Posted by PonyXpress
So this isn't right?

http://media.ford.com/images/10031/2...s_LS_Specs.pdf

Also, I'm reading up on the new CJ and this is saw this:
"We tested some camshafts. The original Boss program had a 13mm-lift intake cam. That was pulled out of the program and they went back to a 12mm, so it's a common intake cam. We kept the original Boss intake cam in the Cobra Jet and we're going to offer it for sale in the catalog. We're using the stock Boss 260-duration intake cam, and then we are using a 290-duration exhaust cam that we developed with the mainstream guys. We're selling that cam as well," Robert explained

Read more: http://www.mustang50magazine.com/techarticles/m5lp_1207_coyote_5_0_engine/viewall.html#ixzz1wt98xkG3


I'm lost as to what cams are actually in the car now
Note that it says INTAKE cam. The intake cams are the same in the GT and Boss. The exhaust cams in the Boss have 1mm more lift (13mm vs 12mm) than the exhaust cams in the GT.
Old 6/5/12, 06:04 AM
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Originally Posted by RTD
Note that it says INTAKE cam. The intake cams are the same in the GT and Boss. The exhaust cams in the Boss have 1mm more lift (13mm vs 12mm) than the exhaust cams in the GT.

I see that from other threads I've read...but the literature from Ford says otherwise about the cams I've seen everyone says are in it....Which is why I also put that portion of the interview with the Ford Racing engineer. What he says are in the Boss motor are in line with the literature I posted before.....hence the confusion.
Old 6/5/12, 04:15 PM
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These ones have a slightly different duration than the regular Boss cams.

The Boss 302 Exhaust Cams M-6550-M50BEXH with a 13mm# and 290 duration
The Boss 302R Cams M-6550-M50BR with a 13mm# and 263 duration
Old 6/5/12, 10:13 PM
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Originally Posted by ford20
These ones have a slightly different duration than the regular Boss cams.

The Boss 302 Exhaust Cams M-6550-M50BEXH with a 13mm# and 290 duration
The Boss 302R Cams M-6550-M50BR with a 13mm# and 263 duration

From the article about the new 5.0 CJ, these are the cams that were used...and check this out from the article
"Though the 13mm-lift exhaust cam (PN M-6550-M50BEXH) fell out of the production Boss 302 program, it was eagerly adopted by the Ford Racing team for the Cobra Jet 5.0. These cams are maximized via the use of long-tube headers, and in the case of the NA CJ they added 20 hp to the bottom line"


This is the kind of info I like to read!!

Last edited by PonyXpress; 6/5/12 at 10:34 PM.
Old 6/5/12, 10:24 PM
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The only thing that Team Mustang left on the table performance wise was in adding LTs from what I have read.
Old 6/5/12, 10:43 PM
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Originally Posted by ford20
The only thing that Team Mustang left on the table performance wise was in adding LTs from what I have read.
I read that before in another thread somewhere, but now that seems to be untrue when reading about the 5.0 CJ. If they started with the Boss engine, and worked it from there, seems like more than just LTs were left on the table.

"Horse Sense: Ford Racing will offer the naturally aspirated Cobra Jet intake as an individual part and it looks to provide a significant horsepower gain over even the vaunted Boss 302 intake manifold"
Old 6/6/12, 01:15 AM
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From what I'm gathering, long tubes/intake/tb/tune/ and the right set of cams should get me where I want to be. I was just wondering about the cams that are actually in the Boss and what Ford Racing offers(cams from 5.0 CJ).

I wish that the Trackey could be reconfigured to work with those cams from Ford Racing since according to that article about the 5.0 CJ, the original cams that were going to be used in the production Boss were swapped...hmm I wonder if that has something to do with the missing lopey idle from the press Boss...how awesome would that be?
Old 6/7/12, 12:47 PM
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Originally Posted by PonyXpress
From what I'm gathering, long tubes/intake/tb/tune/ and the right set of cams should get me where I want to be. I was just wondering about the cams that are actually in the Boss and what Ford Racing offers(cams from 5.0 CJ).
Ford Racing's web site can be confusing the way the write their descriptions.

From a PM I got from Mark Wilson on said cams:
M-6550-M50BR is the stock exhaust cam. The Boss intake cam is the same as the base 5.0L.

The M-6550-M50BINT is different than the stock cam and offers a few hp over the stock cam. The exhaust cam M-6550-M50BEXH is worth quite a bit of hp if you also add long tube headers.
Now we just need someone to do a the cam swap and put it on a Dyno.
Old 6/7/12, 02:27 PM
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This is my understanding:

Stock cam specs

GT
Intake: Lift - 12MM (0.472"), Duration - 260 degrees
Exhaust: Lift - 11MM (0.433"), Duration - 263 degrees

Boss
Intake: Lift - 12MM (0.472"), Duration - 260 degrees [Same as GT]
Exhaust: Lift - 13MM (0.512"), Duration - 263 degrees

Cobra Jet cam specs

M-6550-M50BINT (the originally planned Boss intake cam that didn't make it into production, it's used in the CJ)
Lift - 13MM (0.512"), Duration - 263 degrees

M-6550-M50BEXH (the CJ exhaust cam)
Lift - 13MM (0.512"), Duration - 290 degrees
Old 6/7/12, 02:36 PM
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Comp Cams aftermarket cams

Stage I
Intake: Lift - 0.492", Duration - 260 degrees
Exhaust: Lift - 0.453", Duration - 267 degrees

Stage II
Intake: Lift - 0.492", Duration - 268 degrees
Exhaust: Lift - 0.453", Duration - 275 degrees

Stage III
Intake: Lift - 0.492", Duration - 276 degrees
Exhaust: Lift - 0.453", Duration - 283 degrees

All the Comp Cams cams require phase limiters that restrict the Ti-VCT movement to 20 degrees. The Ford Racings Cobra Jet cams do not appear to.

I think you're better off getting the Cobra Jet cams from Ford Racing. If only Ford would offer a compatible tune.
Old 6/7/12, 10:31 PM
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Originally Posted by MJockey
Ford Racing's web site can be confusing the way the write their descriptions.



Now we just need someone to do a the cam swap and put it on a Dyno.
^^ This is my plan along with the CJ intake/tb/full Kooks Boss setup w/ QTP valves

Originally Posted by RTD
This is my understanding:

Stock cam specs

Boss
Intake: Lift - 12MM (0.472"), Duration - 260 degrees [Same as GT]
Exhaust: Lift - 13MM (0.512"), Duration - 263 degrees

^^ Ok, this is what I wanted to know right here. Where did you get that info?

Cobra Jet cam specs

M-6550-M50BINT (the originally planned Boss intake cam that didn't make it into production, it's used in the CJ)
Lift - 13MM (0.512"), Duration - 263 degrees

M-6550-M50BEXH (the CJ exhaust cam)
Lift - 13MM (0.512"), Duration - 290 degrees

I think you're better off getting the Cobra Jet cams from Ford Racing. If only Ford would offer a compatible tune.
I'm going to try and talk with them and see what they will help with. The thing that sucks, is going with a aftermarket tune, I lose the Trackey and the accompanying features(launch control, engine braking), which I actually like.
I got my Trackey done last Dec when it was released and I love the features and would like to retain them with these upgrades....wishful thinking

Last edited by PonyXpress; 6/7/12 at 10:37 PM.
Old 6/8/12, 03:14 PM
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love this thread..... sounds like most of us have the same goal ...500hp N/A at the wheels....... cam shafts def sound like there on my list.....AND maybe if they dont require phase limiters you can get away without tuning them..... a dyno test would tell....

also guys at diablo told me over the phone they were working on tuning software for the red key guys..........
Old 6/9/12, 01:03 AM
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Originally Posted by Resolution78
love this thread..... sounds like most of us have the same goal ...500hp N/A at the wheels....... cam shafts def sound like there on my list.....AND maybe if they dont require phase limiters you can get away without tuning them..... a dyno test would tell....

also guys at diablo told me over the phone they were working on tuning software for the red key guys..........

I'm hoping for something to come of it, cause like I said, I don't want to lose the trackey features. Hopefully they can sort out the tuning portion without losing those.

So my NA build will consist of:

1) CJ Cams
M-6550-M50BINT
M-6550-M50BEXH
2)CJ Intake Manifold
M-9424-M50CJ
3)CJ Throttle Body
M-9926-SCJ
4)CJ MAF 123mm
M-9600-CJ
5)Livernois valvesprings (safety measure)
LPP50-TVS-1733
6)ARP 2000 Rod bolts(safety measure)
Not sure if I need these because I can't find anything stating what rod bolts are in our cars and these were used in the 302R(according to FR, the only failures to the rod during development were attributed to the rod bolt so they switched to these) but I emailed ARP to see what they can tell me.
7)ATI Super Damper
8)Full Kooks Boss 302 exhaust w/ QTP valves
9)Tune
Plan on contacting Ford Racing about this and have a talk with them about the whole VCT thing. If they are making it work on the 13 CJ NA motor, I don't see why they can't lend a hand in some form or fashion, even if its just some tables to use as a baseline.

I'm planning to start ordering these things soon. Hopefully by the time I get home from Kuwait, I should have it all and there will be a tuning solution available for us Trackey guys so we can retain the functionality for the track days. I will be the one to make it happen if I don't get beat to the punch since I'm overseas and can't start till I'm back home lol



Last edited by PonyXpress; 6/9/12 at 05:16 PM.
Old 6/9/12, 04:15 PM
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the rod bolts are stock 2012 GT500 bolts iirc. I will go look the article up on the roadrunner in 5.0 from last June or July


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