Launch RPM for a 4 Speed?

[Chevy454]

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Hmmm, lots of good info to digest here.

To answer a few questions... MPH was 102 - 104 every time. 60 foot time was between 2.10 and 2.20.

My brother tried one pass, launched it at 4000... and the bog was almost gone... 60 foot time was 1.90, but unfortunately, the clutch linkage came apart after shifting to 2nd gear. (the cheapest weakest link I can think of), so no idea what 1/4 mile time would have been.


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I can tell ya, that woulda been a low-13, *maybe* high twelve at best, assuming you're out the back door @ 104...that's almost the exact same splits our Camaro ran when we first put it on track duty. Think it went 13.20s @ 104 with a 1.94 60' my first year @ Stanton. Anyway...

If you're 60' time with slicks is just 2.10-2.20, something is seriously wrong...that's manual trans-street tire range...and looking at your trap & weight I'm gonna say you're right around 300hp, which tells me you need to really look over that 396. Timing...you need to put a light on it and see when/where it stops advancing...it may be all in by 2,000, but if you've only checked it at 3,500 we won't know for sure. To get to your high-12s mark, you're gonna have to have a *really* efficient run (and car!) to get there on a regular basis at the current HP & weight...

But, it's all doable, and every car has to start somewhere...