What does GXP stand for Pontiac?
GXP stands for: “Grand eXperimental Prototype”.
When did the Pontiac Grand Prix SJ come out?
Even the SJ model pushed big numbers; over 10,000 sold. Then it got even bigger, when, in 1970, Pontiac rectified the engine lineup and brought out the new 455. Good thing, too, because the ’68 “was a disaster,” said stylist Bill Collins in Pontiac 1946-1978. “Nobody bought it.
Is the Grand Prix SJ a G body or a body?
Actually, John Z. was working a little with smoke and mirrors when he signed off on the design: No, that’s not an A-body you see there–see that extra half foot of hood? Presto! It’s a G-body!
How much horsepower does a Pontiac SJ have?
While “SJ” in Duesenberg parlance indicates a Supercharger, this Pontiac “SJ” relies on 455 cubic inches of displacement, 55 more than the standard engine. Rated at 300 horsepower and 415 lb-ft of torque, it would have been formidable among its peers.
What was the wheelbase of the 1969 Pontiac Grand Prix?
The new 1969 Grand Prix was big no matter how you measured. Big new 118-inch wheelbase, big new SJ model with 370 base horsepower from the big 428. It was a big showroom success, too, with Grand Prix sales up an astonishing 225 percent over ’68.
Even the SJ model pushed big numbers; over 10,000 sold. Then it got even bigger, when, in 1970, Pontiac rectified the engine lineup and brought out the new 455. Good thing, too, because the ’68 “was a disaster,” said stylist Bill Collins in Pontiac 1946-1978. “Nobody bought it.
Actually, John Z. was working a little with smoke and mirrors when he signed off on the design: No, that’s not an A-body you see there–see that extra half foot of hood? Presto! It’s a G-body!
The new 1969 Grand Prix was big no matter how you measured. Big new 118-inch wheelbase, big new SJ model with 370 base horsepower from the big 428. It was a big showroom success, too, with Grand Prix sales up an astonishing 225 percent over ’68.
What to do if your Pontiac Grand Prix SJ gets burned?
In TH400s, pull the dipstick and give the transmission fluid a sniff–burned is bad. In a four-speed, even less maintenance is required. You might want to keep an eye on leaks from the side cover gasket, which aren’t serious, but can get messy.