Original sentence: Amber turn indicators were incorporated into the tips of the slim tailfins.Early versions had a flat top to the grille and retained a ghost of the corporate Vauxhall bonnet flutes, in the form of broad, chrome, convex teardrop side-spears along the flanks of the front wings.It bears a strong resemblance to a 1955 Packard Caribbean though like it's predecessor the main influences are strictly Chevrolet.It initially featured a 2.639 litre straight-six engine, with a 3.3 litre in its last year of production though the 2.6 continued in some export markets for tax reasons.The PB was a major styling revision, completely eliminating the tail fins, with a flat bonnet and generally more conservative styling clearly owing much to the 1963 Chevrolet Impala.The car was basically a size reduced and understated 1959 Impala.The exhaust tailpipe exited through the rear bumper but this caused the bumper to rust badly.The rear screen became one-piece, to match the windshield, and smaller, flat bottomed tail-light clusters now sat atop a straight bumper.The speedometer was the, highly dubious, rotating drum type which presented the driver with a slim, horizontally moving line.The tail-fins were now unblemished by lights and the exhaust exited from under the bumper, in the usual way.These early cars also had three-piece rear windows and large oval tail-lights, sitting in a contoured bumper.This allowed the dash binnacle to echo the strong horizontal, interior theme.When the PA was facelifted the grille was given a rounded top and gone were the side-spears in favour of a continuous, slim bustle strip
Edited sentence: It bears a strong resemblance to a 1955 Packard Caribbean.It initially featured a 2.6 litre straight-six engine, with a 3.3 litre in its last year of production though the 2.6 continued in some export markets for tax reasons.The PB was a major styling revision, completely eliminating the tail fins, with a flat bonnet and generally more conservative styling