Mercedes-Benz SLR McLaren

The Mercedes-Benz SLR McLaren was first manufactured in 2003 with the Mercedes factories last unit, in a roadster version, rolling off the assembly line in March 2008. The SLR McLaren design was inspired by and modeled after the Mercedes W 196 race car from the mid 1950’s. It features a brake-by-wire Sensotronic system and has carbon-ceramic discs for fade resistant stopping power up to 1,200 degrees Celsius (2,200 degrees F). The front 370 mm (15 inch) discs have internal venting with eight piston calipers while the rear 360 mm (14 inch) discs use four piston calipers. Both front and rear discs have a system in place that automatically wipes rotor faces to keep them dry during wet weather. When the disc brakes are applied on the McLaren at high speed, the rear spoiler adjusts to 65 degrees to enhance stopping ability. “Active aerodynamics” is the buzz-word and this spoiler will, without driver prompting, rise to 10 degrees (15 degrees in the 722 model) at a preset speed while accelerating to increase down force and then automatically readjusts on brake application.

Mercedes-Benz SLR McLaren red© Oceanlau | Dreamstime.com – McLaren Supercar Photo

Under the hood the SLR sports a hand built 331.9 cu in (5.44 L) SOHC V8 engine with a compression ratio of 8.8:1 and will generate 617 hp (460 kW; 626 PS) at 6,500 rpm and maximum torque of 580 lb-ft (780 N-m) from 3,250 to 5,000 rpm. The front mounted engine cylinders are at an angle of 90 degrees and the heads contain three valves for each cylinder. The fuel is supplied by a Lysholm-type twin screwed supercharger which rotates at 23,000 rpm producing 0.9 bar (13 psi) of boost then the compressed air cooling is supplied by two inter-coolers  The engine is bolted to an AMG SPEEDSHIFT R five speed automatic which can optionally be used in three manual modes as well.

Mercedes-Benz SLR McLaren side© Syrist | Dreamstime.com – 2009 Mercedes-Benz SLR McLaren Roadster 722 S Photo

The weight in the building of the SLR was a major consideration with many body parts made from a carbon fiber reinforced plastic. The car has a curb weight of 1,750 kg (3,858 lbs). The best times were recorded by “Road and Track” but they commented that times in the trials could be faster in cooler weather. They recorded the SLR doing 0-60 (97 km/h) in 3.4 seconds and a standing quarter in 11.2 seconds achieving a speed of 130 mph (210 km/h). The acceleration from 30 to 50 mph was 1.7 seconds and from 50 to 70 mph was 2.4 seconds which is the quickest time the magazine has ever recorded for a production automobile.

The SLR 722 S roadster version was produced as a limited edition of 150 units in 2009.and can reach 100 km/h (62 mph) in 3.6 seconds with a top speed of 334 km/m (208 mph).

Mercedes-Benz SLR McLaren front© Ddcoral | Dreamstime.com – Mercedes-Benz SLR McLaren Photo

This roadster variation was in showrooms by September 2007  but is heavier than the coupe although it still can achieve a top speed of 208 mph (334 km/h) and will do o to 100 km/h (62 mph) in 3.8 seconds. According to an official Mercedes document passenger and driver can hold a conversation with the top down while travelling up to 200 km/h (120 mph).

Ray Mallock LTD., with Mercedes-Benz permission, reworked a 722S Mclaren which resulted in a highly tuned engine developing 670 hp (500 kW; 680 PS). This version of the SLR 722 is called the 722 GT and sports slightly modified fenders to hold the racing slicks he also added a rear wing with defuser.  The interior has been stripped of all but necessary equipment and a roll cage has been added.This stripped down model has had a binnacle added and doors without inner panels replaced, with both revisions made of carbon fiber, further reducing the cars weight to 398 kg/h (877 lbs). RENNtech builds and markets this version now and it is an exclusively offered to the North American market as the “21 SLR Mclaren 722 GT.”

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3 hours ago

Muscle Car Fan

Plymouth Belvedere #GTX 1967 to 1974
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9 hours ago

Muscle Car Fan

Plymouth Belvedere 1965 or Pontiac Grand Prix 1965 *** 𝗦𝗽𝗼𝗻𝘀𝗼𝗿𝗲𝗱 𝗯𝘆 𝗵𝘁𝘁𝗽𝘀://𝗟𝗶𝘃𝗲𝗹𝘆𝗦𝗶𝗴𝗻𝗮𝗹𝘀.𝗰𝗼𝗺 - 𝗨𝗻𝗹𝗼𝗰𝗸 𝗬𝗼𝘂𝗿 𝗕𝗼𝗱𝘆'𝘀 𝗡𝗮𝘁𝘂𝗿𝗮𝗹 𝗥𝗲𝘀𝘁𝗼𝗿𝗮𝘁𝗶𝘃𝗲 𝗣𝗿𝗼𝗰𝗲𝘀𝘀𝗲𝘀 *** musclecarfan.com/plymouth-belvedere-1965-or-pontiac-grand-prix-1965/?utm_source=facebook&utm_medi... #PlymouthBelvedere #PontiacGrandPrix ...

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Take the Grand Prix. More luxury and possibly a 421 under the hood.

Plymouth for racing and the Pontiac for cruising in style. Dumb post- like comparing apples to ham.

Two totally different types of car! The GP is a sporty performance full size car with luxury touches. The Belvedere is a bare bones midsize with a big engine designed to go fast. Period. These would appeal to totally different enthusiasts/buyers.

I'm a Mopar guy, but in this case, I'd take that Grand Prix all day long. In my opinion, it was one of the best GM cars of all time.

I would do the Grand Prix, but chuck the fender skirts.

I had a 65 Grand Prix years ago, so I'll take the Belvedere (although I also had a 66 Satellite which was a deluxe Belvedere)!

Pontiac G P ! I had a 1965 Catalina Ventura ( a lead sled but got over 20 mpg on a long trip . )

There’s definitely no comparison between these two cars. Definitely Pontiac. 

Plymouth by 10,000 mi. Mopar or no car.

Plymouth..liked the 60's pontiacs better when the dual headlights are side by side..not top & bottom

Grand prix

Grand Prix

Grand Prix all the way! Much better ride in all respects.

Grand Prix all the way !!!

Pontiac Grand Prix

GP

Grand Prix

Grand Prix, hands down.

Plymouth Belvedere For Me!!

Grand Prix

Belvedere

Depends if you want a cruiser or a ride

Plymouth Belvedere

65 PLYMOUTH !!!

Barterville

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1 day ago

Muscle Car Fan

1959 #Pontiac Catalina Sport Sedan in Silver Mist The car's Owner is Rich Sperling. Rich shares he’s had this car since 1991. He shares he found the car in Wisconsin, and the Owner of the car who was selling it said “Nobody likes Pontiacs’ they like Chevy’s here” and he wanted to sell this Pontiac. So Rich purchased the car and took this <b><i><a href="https://LivelySignals.com">Sponsored by Lively Signals: Unlock Your Body's Natural Restorative Processes.</a></i></b> #Chevy #SoRich ...

1959 #Pontiac Catalina Sport Sedan in Silver Mist The cars Owner is Rich Sperling. Rich shares he’s had this car since 1991. He shares he found the car in Wisconsin, and the Owner of the car who was selling it said “Nobody likes Pontiacs’ they like Chevy’s here” and he wanted to sell this Pontiac. So Rich purchased the car and took this Sponsored by Lively Signals: Unlock Your Bodys Natural Restorative Processes. #Chevy #SoRich

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My first car 59 Pontiac Catalina 389 manual transmission my batmobile Fire engine red baby moons and it also had what I thought was a toaster oven they didn't have them back then it was a record player under my dash sitting on the bellhousing of course you couldn't use it when you were driving but it was great when you parked and blew up that 6x9 speaker in the dash

Wow, my Dad had a friend that had one just like it. The first Wide Track, I believe.

VERY NICE

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