Updated BOSS Engines Info/Speculation
9/15/06, 03:23 PM
#21
I wonder if the boss will really come out......just found this about the Bullit:
http://www.ford.com/go/septemberwebcast/default.htm
forward to around 10:30
http://www.ford.com/go/septemberwebcast/default.htm
forward to around 10:30
9/17/06, 10:16 PM
#22
I Have No Life
Thread Starter
More from FourCam330:
The Boss model Mustang has been delayed until '10 and it will have a 5.8L/351CI 2v/OHC Boss motor.
It was originally slated to recieve a 5.0 Cammer, but again the motor didn't pass durabilty testing and was extremely expensive to manufacture with the necessary dual runner intake, resleeved blocks, etc. Next up was a GT/GT500 head N/A 5.4, with single runner manifold, but they allegedly couldn't get the power they wanted out of it. Now we're looking at a 351 CI OHC/2v. I've initially heard 400/400 for power but that's something the aforementioned 5.4 could make.
It was originally slated to recieve a 5.0 Cammer, but again the motor didn't pass durabilty testing and was extremely expensive to manufacture with the necessary dual runner intake, resleeved blocks, etc. Next up was a GT/GT500 head N/A 5.4, with single runner manifold, but they allegedly couldn't get the power they wanted out of it. Now we're looking at a 351 CI OHC/2v. I've initially heard 400/400 for power but that's something the aforementioned 5.4 could make.
9/18/06, 10:57 AM
#24
I Have No Life
Thread Starter
I just hope this means that the 5.4 3v could make it into the Mustang GT
Say if the Boss is putting out... 425-450hp
the GT should/could have 325-375
Or maybe an engine option for it...
Say if the Boss is putting out... 425-450hp
the GT should/could have 325-375
Or maybe an engine option for it...
9/20/06, 02:47 PM
#26
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I would prefer a 5.0L 4V engine for the Boss but a 5.8L engine would be great as long as it's an all alloy aluminum engine in NA trim. The Boss doesn't need a heavy iron block engine.
9/20/06, 05:44 PM
#27
Originally Posted by MustangFanatic
I would prefer a 5.0L 4V engine for the Boss but a 5.8L engine would be great as long as it's an all alloy aluminum engine in NA trim. The Boss doesn't need a heavy iron block engine.
How could any Mustang be called a Boss if all it had was a whimpy AL block.
9/22/06, 10:44 AM
#28
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Very true, but a '69 Boss only weighed 3,250 lbs. A key method to reducing the S197's weight would be to ditch the iron block in favor of a high strength alloy block.
9/23/06, 06:27 PM
#30
CGI blocks are coming (and are already in production if I am not mistaken), but diesels are getting this first. In fact, if I am not mistaken the upcoming 4.4L TDI V-8 for the F-150 is CGI.
9/26/06, 05:55 PM
#32
Legacy TMS Member
If that were so, I wonder how it would compare weight wise to an aluminum block? Other than weight savings aluminum really doesn't bring anything else to the table (Well okay, you could polish it to a nice silvery luster)
9/29/06, 08:16 PM
#33
AL does bring a couple things. Vs cast iron, AL can be cast in more intricate shapes it conducts / dissipates heat better iron and has the same thermal characteristics (expansion etc.) as the alumiunum heads. From a manufacturing standpoint it can be machined easier & faster than cast iron with less tool wear.
9/29/06, 08:57 PM
#34
Legacy TMS Member
AL does bring a couple things. Vs cast iron, AL can be cast in more intricate shapes it conducts / dissipates heat better iron and has the same thermal characteristics (expansion etc.) as the alumiunum heads. From a manufacturing standpoint it can be machined easier & faster than cast iron with less tool wear.
10/1/06, 09:25 PM
#35
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Guess you missed that part
10/2/06, 08:25 AM
#36
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AL blocks can be designed pretty much for any degree of strength as look at all the AL block F1 motors zinging along at a billion HP and a trillion rpm for hours on end.
Perhaps for the Nth degree of strength, iron might have a small advantage, but I think whatever vanishingly small potential advantage exists there at some esoteric extreme is far more than offset by the more realizable advantages aluminum has for street vehicles, even very high performance street vehicle. Look at the 505 hp LS7 or the 1000hp Bugatti V16, both AL blocks.
The Modular blocks have some enherent limitation harkening back to their roots as a rather light suty, FWD origins rather than being conceived with a lot of hi-po applications at its genisis. Some of this can be seen in the rather tight bore centers, long stroke, under square bores (more valve shrouding) and somewhat narrow main bearings. On the other hand, Ford has fairly well beefed up this orginially fey piece as evidenced by the Ford GT.
As for heat retention qualities, I think that would be far better and more precisely achieved through coolant control mechanisms.
Perhaps for the Nth degree of strength, iron might have a small advantage, but I think whatever vanishingly small potential advantage exists there at some esoteric extreme is far more than offset by the more realizable advantages aluminum has for street vehicles, even very high performance street vehicle. Look at the 505 hp LS7 or the 1000hp Bugatti V16, both AL blocks.
The Modular blocks have some enherent limitation harkening back to their roots as a rather light suty, FWD origins rather than being conceived with a lot of hi-po applications at its genisis. Some of this can be seen in the rather tight bore centers, long stroke, under square bores (more valve shrouding) and somewhat narrow main bearings. On the other hand, Ford has fairly well beefed up this orginially fey piece as evidenced by the Ford GT.
As for heat retention qualities, I think that would be far better and more precisely achieved through coolant control mechanisms.
10/2/06, 06:38 PM
#37
Legacy TMS Member
My speculation:
4.6 4V V8 tried ad nauseam (Mach 1, 99-01 Cobra, 03-04 Cobra)
5.4 4V V8 tried ad nauseam (Navigator, GT, GT500)
4.6 2V V8, 5.4 2V V8 = not new either
If Ford is going to change the Stang in 2009/2010 like its other platforms (almost every Ford car seems to have some major changes planned for 08-10), it will probably go to a new powerplant:
5.8L (Boss 351) OHV V8 "Hurricane" for the GT
6.2L OHV V8 "Hurricane" for the F-series
I know - everyone is guessing OHC, but I am sticking by my guess of OHV. If Ford is interested in the horsepower war, they will go with an OHV engine design. This is an easy way of boosting low to mid range torque and with modern multi-displacement systems, good gas mileage can be retained.
4.6 4V V8 tried ad nauseam (Mach 1, 99-01 Cobra, 03-04 Cobra)
5.4 4V V8 tried ad nauseam (Navigator, GT, GT500)
4.6 2V V8, 5.4 2V V8 = not new either
If Ford is going to change the Stang in 2009/2010 like its other platforms (almost every Ford car seems to have some major changes planned for 08-10), it will probably go to a new powerplant:
5.8L (Boss 351) OHV V8 "Hurricane" for the GT
6.2L OHV V8 "Hurricane" for the F-series
I know - everyone is guessing OHC, but I am sticking by my guess of OHV. If Ford is interested in the horsepower war, they will go with an OHV engine design. This is an easy way of boosting low to mid range torque and with modern multi-displacement systems, good gas mileage can be retained.
10/2/06, 08:11 PM
#38
I Have No Life
Thread Starter
Its an OHC
And I'd love to see at least the 5.4 3v AL block in the GT
I VERY highly doubt the 5.8 will make it into the GT
Thats rumoured to be the BOSS
I could see the 6+ (6.2 or 6.4..whatever it will be this week) in the GT500/Cobra level car.
And I'd love to see at least the 5.4 3v AL block in the GT
I VERY highly doubt the 5.8 will make it into the GT
Thats rumoured to be the BOSS
I could see the 6+ (6.2 or 6.4..whatever it will be this week) in the GT500/Cobra level car.
10/3/06, 12:44 AM
#40
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Bullhunky. Big-displacement OHV V8s may be well-known and fairly bulletproof, but there's nothing giving them inately better HP. Just becuase the Bowtie Boys have been saving cash by sticking with it all this time doesn't make it a "better" architecture for an HP war, witness Europe's and Asia's entries.