Turbo 308 maintenance

Just some random pictures from doing maintenance on this Norwood twin turbo 308. The intake plenum is custom and has a water to air intercooler integrated into it.

Just doing the usual cam seals, valve cover gaskets, timing belts, etc.

Aaron
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You are guessing correctly. There is an additional radiator in front of the AC condenser and an electric water pump. I’m not 100% sure how they ran the hoses. Somehow they squeezed them in with the AC lines on one side and the heater line on the other.

 

It’s this car from the middle of the magazine cover. It got second in the top speed contest. (Twin turbo testarossa beat it).

Yes, there is a modified engine cover.

And yes, Bob told me this was the only twin turbo 308 he ever did. I need to sit down with him and find out more of the story. The exhaust manifolds are cast ones from a Prancing Horse kit, but have been modified for larger turbos.

Here are a few more pics of the car.

Aaron
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Second. Only the twin turbo Testarossa beat it. Btw that is actually Bob Norwood driving the 308 in that photo.

 

One set of seals and one belt done….unfortunately the easy side.

Aaron
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One quick tip for those that do their own belts: mark your cam gears,
drive gear (I do the center and two more spots) and the old belt. Then transfer the marks to the new belt.

 

I haven't actually broken mine except for an ecu mistake on my part that caused my head to lift enough to compromise my head gasket seal. We took the opportunity during that repair to refresh the entire motor. This is on my blue 308 that makes 800hp.