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Old 08-11-2007, 12:18 AM
Jeremy5848's Avatar
Jeremy5848 Jeremy5848 is offline
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Join Date: Mar 2006
Location: Sonoma Wine Country
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Question

Quote:
Originally Posted by Brian Carlton View Post
I'm a bit amazed that you have 11 psi of boost with this vehicle. Are you positive of the boost reading?

With those times, you've got no fuel enrichment.............the vehicle is running as if it was naturally aspirated.

So, the next step is to remove the ALDA and take it for another set of 0-60 timed runs.....
I didn't check the boost today but it was 10-11 psi earlier this week and performance the same.

The ALDA has been sitting on the work bench all week.

I had Laura step on the accelerator pedal while I tried to watch the linkage. Manifold and preglow wiring is in the way but...

-- one link is held together with a cable tie...(picture)

-- the cable end from the accelerator pedal (ends in a spring) is held onto the metal lever with a plastic cable clamp...(picture)

That can't be right. Since I've never had the privilege of examining another 603 engine in detail, I don't know what it is supposed to look like. The diagrams in the CD-ROM version of the FSM aren't the easiest to read. Nevertheless, the linkage does seem to move through its entire range of travel. However, it certainly can't hurt to have the correct parts in there.

We also checked the 617 engine in the '85, it appears to have the correct linkage (much easier to see) with no bad bushings.
Attached Thumbnails
ALDA removal........OM603-img_2046.jpg   ALDA removal........OM603-img_2043.jpg  
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