What kind of engine does a Pontiac Northstar have?
Displacing 4.6 L; 278.6 cu in (4,565 cc) in its basic form, the direct family line transitioned to longitudinal and 4.4 L; 266.7 cu in (4,371 cc) supercharged versions. Variants were used at Oldsmobile (as the Aurora L47 V8 and “Shortstar” LX5 V6 ), as well as in several top-end 2000s Pontiacs and Buicks .
When did Cadillac stop using the Northstar engine?
The final cars to receive it, the Cadillac DTS, Buick Lucerne, and Cadillac STS, rolled off the line in 2011. It was replaced by the GM LS small-block OHV engine, used in newer Cadillac V8 models like the CTS-V, marking a step back to a simpler, more reliable push rod engine design.
What was the compression ratio of the Northstar engine?
The L37 code had been used on all high-output transverse Northstars, even as the exact engine specifications evolved. The compression ratio for the L37 is 10.3:1 for engines built prior to 2000, and 10.0:1 afterwards. The original L37 was specified at 290 hp (216 kW), but 1993 production examples were rated at 295 hp (220 kW).
Where are the cams located on a Northstar engine?
The cams act directly on hydraulic lifters on the ends of the valves and are fed with a lubrication passage drilled through the cylinder head lengthwise. The intake valves are inclined at 25°, while the exhaust valves are canted to 7° with center-mounted platinum-tipped spark plugs. The cam covers are magnesium for light weight and sound damping.
Displacing 4.6 L; 278.6 cu in (4,565 cc) in its basic form, the direct family line transitioned to longitudinal and 4.4 L; 266.7 cu in (4,371 cc) supercharged versions. Variants were used at Oldsmobile (as the Aurora L47 V8 and “Shortstar” LX5 V6 ), as well as in several top-end 2000s Pontiacs and Buicks .
The final cars to receive it, the Cadillac DTS, Buick Lucerne, and Cadillac STS, rolled off the line in 2011. It was replaced by the GM LS small-block OHV engine, used in newer Cadillac V8 models like the CTS-V, marking a step back to a simpler, more reliable push rod engine design.
The cams act directly on hydraulic lifters on the ends of the valves and are fed with a lubrication passage drilled through the cylinder head lengthwise. The intake valves are inclined at 25°, while the exhaust valves are canted to 7° with center-mounted platinum-tipped spark plugs. The cam covers are magnesium for light weight and sound damping.
The L37 code had been used on all high-output transverse Northstars, even as the exact engine specifications evolved. The compression ratio for the L37 is 10.3:1 for engines built prior to 2000, and 10.0:1 afterwards. The original L37 was specified at 290 hp (216 kW), but 1993 production examples were rated at 295 hp (220 kW).
What kind of horsepower does a Pontiac Bonneville have?
Optionally available was the 455 four-barrel V8 rated at 250 horsepower (186 kW) for 1973-74 and 200 for 1975-76.
When was the last year the Pontiac Bonneville was made?
Find sources: “Pontiac Bonneville” – news · newspapers · books · scholar · JSTOR (May 2019) The Pontiac Bonneville was an automobile built by Pontiac from 1957 to 2005. Bonnevilles were full-sized, with the exception of a brief period of mid-size between 1982–1986.
What kind of engine does a Pontiac Bonneville have?
The Bonneville GXP was Pontiac’s top offering for the 2005 model year, coming equipped with a 275 HP V8 Northstar engine.
How much is a 2005 Pontiac Bonneville GXP worth?
Truly a “Must See” and “Must Drive” to fully appreciate the power and performance this car has to offer. List price for this car was $35,000 and the blue book value is still $5800 WITHOUT the extra set of wheels/tires and many extras offered with this car specifically!Asking Only $6300.00 or Make an Offer but Hurry cuz this one won’t last long!
Is the Pontiac Bonneville GXP a must drive car?
The Dual Hood Scoops are designed for this car and paint matched. The Car runs perfectly with no oil leaks of any kind and is Meticulously Maintained. It is immaculate inside and out. Truly a “Must See” and “Must Drive” to fully appreciate the power and performance this car has to offer.
What kind of engine does a Pontiac GXP have?
Overview Overview GXP 4dr Sedan 4.6L 8cyl 4A SE 4dr Sedan Engine Type Gas Transmission 4-speed automatic Drive Type Front wheel drive Cylinders V8