Date: 27 Jan 2006 09:05:54 +0100 From: Frode <fhnospammica.no> Subject: Re: Saab 900 2.1L v 2.0L engine
Dave Hinz wrote: >> In article <43pvrgF1ojg59U1nospamvidual.net>, DaveHinznospamcop.net >> says... > > Hm. I don't know about that, but I do know that if you take a 99 Turbo > head & turbo, bolt it to a 2.0L B engine set up for naturally aspirated, > it's a dog. As in dog freaking slow. Not enough volume to stuff > fuel:air into, I'm guessing. After all, output is a function of > displacement _and_ compression. Less room to compress into = less > power, yes? I drove my 99 for a winter while reworking the turbo and manifold. Yes, terribly slow until you replace the camshaft with one from a carburettor model, Compare the two, and you will see that the inlet valves opens far less the turbo!. The exhaust valve timing is different, Frode