The Boss is back!

[2strokd]

And badder than ever :devil: !

[90GTVert]

I've got a mag here with details on the Laguna Seca version shown there. Really cool car... that would get me into a lot of trouble. I can't own a car that handles, cause then I never slow down. lol Power is up to 440HP at a higher RPM of 7500 to better suit the track. The Boss and Laguna Seca get 3.73 gears instead of 3.31 in the GT, but the Laguna Seca gets a Torsen rear while the Boss gets limited slip. Both get 14" front discs from the GT500, but the LS adds brake cooling ducts. Both get firmer, user adjustable, suspensions and additional bracing, but the LS goes well beyond what the Boss gets to really make it love the track. The Boss gets Pirelli PZeros and the LS gets PZero Rs. The LS is supposed to be good for 1.03 lateral g.

[stepthrutuner]

Explain the exhaust sys. Are the exterior pipes resonance chambers? :stumped:

[90GTVert]

From my mag (Automibile, Nov 2010) :

"One of the more interesting aspects of the Boss engine is it's exhaust system. Supplementing the standard Mustang GT's dual exhausts are two additional pipes that exit just ahead of the rear wheels. These side exhaust outlets incorporate metal discs that keep the sound at legal levels - but they are removable, should the owner want something louder. The Boss is plenty vocal even with the discs in place, as the induction sound tube has been retuned and eleven pounds of sound deadening have been stripped out."

[2strokd]

Yep, BAD ASS!!!
Thanks for sharing all the goods Brent!
Step, there was a real good show on speed all about the Boss, maybe you can catch it.?.
Explains all the details like Brent, but with the car in their hands....

[90GTVert]

They shoulda sent me the car. Ever see a Boss tow a scooter to Laguna Seca and park while the scooter takes on the track? lol

[stepthrutuner]

Don't watch speed much anymore since it's all NASCAR, wreckers, hauling, cooking and a bunch of pop shit like that. :swear: At least that seems to be all I find whenever I tune in at any sane time of the day.

Thanks for the insight, Brent. Side AND rear exhausts is a first for a production car as far as I know. I'll be in another life when I can afford one. :skull:

[2strokd]

lol me too!!
I know, speed sucks most of the time anymore buddy.
Keep your eyes peeled tho, its really good! Parnelli Jones even checked it out!

[2strokd]

Ooops i found another goody :drool:

[90GTVert]

I like Speed... but then I actaully watch NASCAR. I've said it before I think, but if you like nothing else NASCAR I think you could still get into NASCAR Performance where they explain tech bits about the race cars. Don't worry, the last race of the season was last weekend, so you should see way less NASCAR programming form now till Dayona in Feb.

Since NASCAR and Mustangs are in the same thread, Ford's Nationwide series cars will look more like Mustangs next year. They already ran them a couple of times this year.

[stepthrutuner]

Nov 24, 2010 10:55:23 GMT -5 90GTVert said:

I like Speed... but then I actaully watch NASCAR. I've said it before I think, but if you like nothing else NASCAR I think you could still get into NASCAR Performance where they explain tech bits about the race cars. Don't worry, the last race of the season was last weekend, so you should see way less NASCAR programming form now till Dayona in Feb.

Since NASCAR and Mustangs are in the same thread, Ford's Nationwide series cars will look more like Mustangs next year. They already ran them a couple of times this year.

Well, here's a good question I've been wondering about.

Is the bore and stroke of a restrictor plate engine the same or different from a regular engine? To me a narrower bore with smaller valves and a longer stroke would be the way to go with a restrictor plate engine.

[90GTVert]

That is a good question, but I don't think I've ever heard it talked about. They tell you that they work hard on their restrictor plate engine programs, but they don't give up too much information. NASCAR Performance might give insight on that, but I don't recall it in episodes I've caught.

EDIT : speedtalk.com/forum/viewtopic.php?f=1&t=10840

This is not related to restrictor plates, but interesting anyway...

From HERE :

"I used to work for NASCAR Winston Cup series on the Jasper #77 car for 2 years and I am leaving for Team Sabco Busch series in Feb, this is what I have seen and heard. Very strong yet light weight rotating components, short piston skirts, lightweight to the point that I have seen cars come into the pits with a bad vibration and when the driver is debriefed as to what happened, come to find out that the chassis bottomed out and bent the crankshaft and or tossed the ballancer! talk about being hollowed out, anyway, I have seen the 720-730 horsepower SB2 heads, but they are flowed at different ranges than we are used to seeing. at 28" they flow roughly 335 cfm @ 692-720 lift and they use some strange looking solid roller cams lobes that are large rollerbearing journaled, when the cam is placed in the motor, you can just spin it with your hand and it will go on for about 30 seconds. Valve train components don't look too much different than what we use besides having beefy tripple springs Ti valve train parts light weight solid lifters, rifel drilled cams and what not. One thing I know for a fact where they pick up good RPM and power believe it or not is in internal oil management, I have heard some talk about dry sump oil pans/windage set-up's being worth up to 35 FWH. When we would start these motors to check oil pressure/hot temp to roll them out of the shop into the transporter they sounded like a bucket of bolts, they are very noisy untill they hit 170 degrees and clatter real badly. They use of low surface friction V belts and UD pullys are standard. Carb tuning is really important to, in testing, they run 8 WB 02's on every header primary and the data is logged to an onboard computer to see how the 4 corner jetting needs to be adjusted especially going around high G force turns, one bank goes leaner than the other, they run there motors even leaner than we do to the point that white ashy soot is collected in the tailpipes from after running WOT. I might remember some more stuff."

[stepthrutuner]

And where is the Trans-AM Series I used to enjoy watching so much back in the ninties (Paul Tracy, Willy T. Ribbs, Dorsey Schroeder, etc.)? That racing was a lot closer to the Australian V8 Supercars I enjoy watching now. I loved watching those guys mix it up and play for keeps on a tight street course.

[stepthrutuner]

I read through some of those threads. I found it interesting that different bore and stroke configurations are used for different tracks.

[2strokd]

I watch those Aussi V8 cars too!
They have always loved their Falcon!