Porsche Enthusiasts Club Forum

about 5 grand, the impact bumpers are the difference !!

Before 1974 "pre impact"


The 1974 model year saw 3 significant changes. First, the engine size was increased to 2687 cm³ .

Second, was the introduction of impact bumpers to conform with low speed protection requirements of US law, these bumpers being so successfully integrated into the design that they remained unchanged for 15 years.

Thirdly, the use of K-Jetronic CIS Bosch fuel injection in 2 of the 3 model line up


pre impact front end:





Impact bumper front:

thanks for the thorough explanation , thought you were going to show us a bent 911 and a non bent one

was going to show you my rear but I cant find a decent pic of a non ib one to contrast !

what the hell heres our butt !



the large black bits on the bumper are part of the IB loook, in the states they were even bigger and pig ugly !!!

very nice Gordon ..............................................the rear that is.........................................................................cars okay too