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Intercooler Trivia, Stock intercooler good for 1.8 bar?

I purchased a used '88 5000TQ the other day that needed a new
intercooler and some minor front grill repair. (amongst other

While scrounging through a wrecking yard, a found a used intercooler off
a 1984 5000 Turbo that has the same configuration and dimensions as the
1986-88 5000TQ and 1989-90 200T/Q intercoolers. 

One interesting difference was the '84 5000T intercooler uses a cast
aluminum end cap on the one end for the inlet and outlet cap. It has the
extra 7/8 inch diameter port in this aluminum end cap which is connected
to the lower intercooler inlet. This port would make a nice place to
connect the retro-fit 20V turbo bypass valve. The other end of the
intercooler had the standard plastic end cap. The boss for the air temp
sensor is cast into the aluminum end piece but it is not drilled for the
air temp sensor.

This intercooler had a label on the bottom with the following info:
Kuhlerfabrik: Langerer & Reich, GMBH & CO.KG
LR Nr 37176207 Stuck Nr 2447
Kom Nr 30737

PB 0.8 Bar    Dat 07/83

I assume the PB 0.8 bar, indicates that these intercoolers were designed
to run 1.8 bar (absolute) through them, this makes some sense as the
european versions of the 5000 Turbo ran more boost. Can any European or
UK list members comment on this PB 0.8 Bar spec?

Langerer & Reich also make the intercoolers for the 1986-88 5000T/Q, the
1989-90 200T/Q 10V and the 20V intercooler out of the 1991 200TQ 20V.

Scott Mo.
1989 200TQ