Quote:
Originally Posted by cts1950
I wish there was a Twin Tech for dummies guide. I keep trying to equate fuel injection to carburetors. There are a lot of adjustments with names that do not mean much to me. If they equated their adjustments with terms like accelerator pump, main jet , power valve , idle rich lean it would help us old dogs out. I see that some have become frustrated with dtt and are bailing out. I see that you have a Gerolamy TB did you have that when you were getting better mileage? I ask that in that I just bought one of those on ebay and have been thinking of trying it out, it came with 5.5 gm/s injectors which are larger than any I have tried before. On your engine build have you measured your quench squeeze above your pistons, mine is about .040 I was wanting .030 but could not come up with the right head gasket for the job. From what I have been reading on this form that is important to control pinging.
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If you ever find that guide I would be interested in a copy.
I have had the Gerolamy on since the rebuild to 95" but I am using the stock injectors. If you use it adjust it to be closed when cold just so the plates don't stick.
My quench is at .040 for the same reason. I have heard of a lot of guys having spark knock with .030 quench.
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