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930cabman 930cabman is online now
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Join Date: Jan 2008
Location: sunny buffalo
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Quote:
Originally Posted by PeteKz View Post
I'll add to dannobee's post: The book by Charles Probst, "Bosch Fuel Injection and Engine Management," contains much the same info as the Bosch manuals, and make CIS easy to understand and troubleshoot. It doesn't emphasize the problems of air leaks to which CIS is particularly sensitive, but those are problems that only become apparent after 30+ years in use, which we are well into now.

I'll agree with 930cabman that carburetors certainly give better throttle response than CIS, and I maintain that gives the impression of more power and driving fun factor. They do not produce more power measured on a dyno, other factors being equal.

Over a few years I have studied the books of Probst also "How to tune & modify Bosch Fuel Injection" by Ben Watson and "Bosch CIS" by James Weber. After checking fuel pressures and a couple cursory items there is not much available for the basic garage hack.

Also, I have years of experience with carbs
Old 11-16-2025, 05:27 AM
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