Quote:
Originally Posted by Shrek
Added dyno sheets to post #19
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Ah, Ha! I kinda suspected that! There's more gold in that thar LT5.
For comparison, a selection of curves I have on file; one (my first one = stock/Borla) and the rest = various mods. Ingnoring the numbers, it is the characteristic shape of the torque/power curves vs. rpm that I am trying to illustrate for comparision. See whatcha think...
My stock w/Borla (only)
Two for one: Don's and Dominic's after P&P, and Dom's with headers too maybe??
A 415 creation by Marc...
A 350, fully ported, stock cams and headers/3" exhaust...
And now, if I may draw your attention to your torque vs. power curve...
2012
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The torque curve is falling off too soon. I kinda thought from that stock 309 hp figure that there must be some more oomph hiding in there. Looks like there should be another 25-30 to be had if the reason for the torque collapsing could be addressed?? Something. (Cam timing crossed my mind first; is why I asked about compression check results. If one side was significantly different by comparision, it could be that "something".)
Spark? Cam timing? Who knows. I can analyze data and graphs with the best of 'em. But, for some real expertise, maybe Marc or Pete can shed some light on it. Something like 20-30 hp more to look forward to!
P.