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Join Date: May 2000
Location: Spotsylvania, VA
Posts: 328
Gastester Success!

All,

I just tuned up the Bosch Mechanical Fuel Injection on my 1973 911 T over the weekend using the Gunson Gastester I just purchased. The car now runs as smooth as butter! I set both the part throttle and idle CO mix to between 6-7%(I know this is higher than stock specs, but I remember reading a prior Pelican post that recommended 6-7%). Anyways, I am now very pleased with the results. The adjustment took about an hour. Let me know if anyone has any questions.

Bill

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William Armentrout
1973 911T
2.7 carerra rs specs
Old 04-08-2002, 03:54 AM
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Join Date: Feb 2002
Location: Langley, BC Canada
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Just one here....Where did you purchase the unit...and approx how much?
I have a '69 with MFI and would like to tune correctly.
Thanks...Bob
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Bob Hutson
Old 04-08-2002, 05:46 AM
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Join Date: Oct 2000
Location: Lincoln, NE
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Bob, read my review of the Gunson Gas tester here: http://www.pelicanparts.com/cgi-bin/vb/showthread.php?s=&threadid=7439&highlight=Gunson+Gas+Tester
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Kurt V
No more Porsches, but a revolving number of motorcycles.
Old 04-08-2002, 05:55 AM
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I just ordered one of these testers. I ordered the "pro" version, it reads dwell and RPM too. I now will be able to adjust the CIS without guessing.


Chris
Old 04-08-2002, 06:26 AM
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I ordered from the following link. I paid about $138. Not bad for allowing a "do it yourselfer" to accurately tune a bosch mechanical fuel injection system. I figured that I could do it better than most local mechanics.

http://www.aep.bigstep.com/Digital.htm

I'd highly recommend this tool...Just make sure you have a syncrometer and bosch adjustment tools first...

Bill

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William Armentrout
1973 911T
2.7 carerra rs specs
Old 04-09-2002, 03:14 AM
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