best shift points
#9
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Joined: Feb 2005
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From: Mentor on the Lake, OH
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Originally Posted by rice burner
5500 i believe is the best shift point
#10
Originally Posted by SLPowerZ
the reason i was asking is because if i shift like 4900-5100 i chirp 2nd, and chirp 3rd. if i hold it out til 5500 and shift it doesn't chirp either gear. i thought maybe i was losing out on some power from revving it longer
#11
A stock LT1 or basically stock (as in cam, intake heads) doesn't pull much farther than 5500 if at all. Once you start swappin some parts you can change all that. But Arch is right- just a little time at the track or on a dyno even, you can see what RPM's you car makes power in.
#12
I definitely would not shift at 4900 rpms (that's more like a L98) LT1's breathe a little better than that even stock. You could probably go 5200, 5300 which might put you past your peak power a little bit, but you want to have the rpm's fall right back in the fat of powerband. So, sometimes it helps to over-extend the rpm just a little so it falls right where it needs to. I would bet with your mods the peak is somewhere around 5100 to 5200. IMO
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