Quote:
Originally Posted by MakCamaro
Resurrectinng this thread because I was looking at the same thing and other people might find useful the information.
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This thread was a long time ago and there is more info out now (we have learned some things). Check out Tick Performance's test in this forum (bolt on section) of an MSD intake manifold and 95tb on a stock LT1 motor with no tuning, they also share info on just the MSD manifold by itself. Shows that the unported MSD is about the same as stock in the low end, but starts gaining in the midrange and carries out better in the top end (does not fall as much after peak hp rpm).
As far as my own car's situation back then, it turns out that the stock TCM tune in my car was doing the 1-2 shift at only 5800 to 5900 rpm when I was using drag radials. Therefore it was not running in the area where the MSD works best. Now that I have tuning in my car's ECM and TCM, my SS is doing much better. In fact, it has run as well as 10.88 seconds in the standing 1/4 mile, using mild bolt-ons only, with a completely stock exhaust system. I am using the out-of-the-box MSD intake manifold with an unported 95tb.