Finally, I get to say it;
Not everybody is a drag-racer.
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If you're a streeter, you gotta think about operating the throttle at less than WOT.
And just as importantly, you gotta marry that engine to a transmission and a reasonable cruise rpm.
Say with 3.23s and a 727auto, Top of Second gear is around 126mph@8% slip @8000, which IMO is kindof useless, for a streeter to have.
What I mean is, as soon as you install that lil screamer into an actual workload, the whole game changes.
if you marry the smaller engine to an A518, and cruise at the same rpm as 3.23s would get you ,say 65=2600 in loc-up, then you could run 3.23/.69=4.68s rounds to 4.56s. Now 8000 in Second gear, comes to around 89mph@8% slip, still, IMO, kindof useless, for a street machine.
What a streeter should really want, IMO, is an engine that can make adequate power at reasonable rpm, Yet also cruise at a reasonable rpm.
With 3.23s 65=2615 in loc-up; that is a reasonable cruiser gear.
But the starter gear is just 7.91, so whatever displacement engine you stick in there, it has to work with that 7.91 handicap. And that means it is gonna have to make some honest torque down there. Ok so sure, you can stall a smaller engine up and get to the torque, I get that. But
what if you have chosen a manual trans? Are you willing to forever after slip it to 20mph to get moving briskly enough?
I'm a dump-it-and-go kindof guy......
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and then there's trying to tune a small-cid/8000 rpm engine,
to go out on beer runs at 1:00 in the morning........ lol