Importance of the AMM - Injection Labs - Saab 900 Bulletin Board - Saabnet.com
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Importance of the AMM - Injection Labs
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Posted by Notnoel [Email] (#23) [Profile/Gallery] (more from Notnoel) on Thu, 1 Jun 2017 08:22:26 Share Post by Email
In Reply to: Re: This is really good..., CBS [Profile/Gallery] , Wed, 31 May 2017 16:01:41
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I could not agree more. I recall reading CMyles post. He'd mentioned there or in another that he only knew of one really good rebuilder. I contacted Chris and he gave me the name of Injection Labs in Boulder, CO (google them), and to echo StoicBlue87's comments above, I found them to be extremely knowledgeable and responsive. So I had them rebuild one for me about two years ago

Wow, what a difference. My idle immediately settled down and it is among the one or two most immediately effective things that I've ever done for my car. These old LH system's seem to have fairly narrow operating tolerances (similar to the way you need to first get the CO range into a window, in order to use the voltmeter to fine tune it, or the importance of properly setting base idle so that the AIC will work properly. I think you can get the CO set up fine on an old tired AMM, but it is not going to adjust deftly as you accelerate and put the car through its paces - it's "laggy" for lack of a better word.

I'd advise anyone driving on a 25-30 year old AMM to strongly consider dropping the $ to have Injection Labs rebuild their unit. I raved on them to Landjet, who promptly followed suit (he'd used them many years before) and he was just as wowed.

That 25-year old wire that does the heavy lifting in monitoring the air flow has been heated and reheated thousands of times and that's just got to have had an effect on its resistance and ability to do its job. IIRC, Injection Labs also told me that the alloy used in the original units was not ideal and their replacement is superior. They basically gut the entire units and replace all of the electronics and the wire; technically, it's "rebuilt", but I am pretty sure the only thing they re-use is the shell.

Probably the best $200 I ever spent on the car.



->Posting last edited on Thu, 1 Jun 2017 08:27:37.
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