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Old 06-10-2005, 03:11 PM
WANT '71 280SEL's Avatar
I'll Go Upside Your Head!
 
Join Date: Jan 2003
Location: Dallas, TX
Posts: 3,378
300SDL=low boost

Since I got the records from the PO earlier this week, the last service he had done, stated low boost that should probably be addressed before selling. The service before that mentioned the same thing though they tried to fix it. They cleared out the vacuum lines going to the switch-over valve and the paper said that made it better, but still not right. The paper doesn't say what they think might be wrong, so, with the vacuum lines being clear, why low boost? I'm going to try and go to the hardware store and find a guage to make into one since the auto parts stores want $60+ for one. The shaft spins very easily and does not grind, wobble, or have stiff spots. Oh yeah, they also said the cross-over switch was cleaned out as well.

Since I've had the car I've turned the ALDA about a half turn which didn't make too big of a difference but that shouldn't affect the boost though should it? Since I've owned this car I haven't been that impressed with the power it produced. On the highway, when downshifted, it really just makes noise and doesn't really accelerate very quickly when really these engines should pull.0-60 times done in my head have been around 15 seconds. I know there are more reliable ways, but "1 mississippi, 2 mississippi" is good enough for me. I don't think I'd be that far off. I remember GSXR saying a decent SDL should be around 12.

Thanks
David
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2000 Honda Accord V6 137k miles

1972 300SEL 4.5 98k miles

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