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540i SC dyno pulls... (archive)

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Posted by Hans on July 07, 2000 at 13:55:47:

In Reply to: Re: H&H actually used a stroked 4.0 V8 - 4.4 ( posted by STT on July 07, 2000 at 10:49:54:

Stepan, I appreciate this banter, argumentative, but open to discussion, much more interesting than JZ dialogue. Onto the DYNO pulls. I pulled these links off of the Garrett website. The Motronix 540 is the one I was involved with. After ERT took dyno readings of the car, they said they were the highest ever registered for a 4.4 litre, they couldn't explain it. Then high-flow cats were put in, which was a must plus the GIAC software. Note the car pulled an estimated 421hp at the crank before the cats and software. I made the estimate of over 420hp because the GIAC software solved a few niggling problems and the cats really let the car breath, which it was having trouble doing. You might want to stay away from the cams and supercharger. I remember back in my mustang days, the supercharger kits always ran better on dead stock cams.

To the guy who supercharged an LT1, I also did and the engine (25,000 miles) needed a full rebuild shortly after.

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