Low speed torque and driveability ?
I agree, it's the duration. As OldRick suggests, strong acceleration from lower speeds...even at part throttle.
The whole thing I'm getting at is torque the main/whole culprit ? As most would say or is there other factors that play a huge or bigger role ?
Obviously what we consider driveability and what part of driving has a huge effect, cruising, passing, spirted driving, from stop to full throttle and cruising to full throttle are all different in what were exactly comparing.
Like you said earlier you find a xe268h cam a dog compared to stock 340 cam, your saying cause of loss of torque, I'm saying maybe, maybe part of it but I don't think so, all those dyno's I posted low end torque don't seem to be an issue, but were generally not seeing under 2000-3000 rpms so hard to say for sure, but if there is an issue I'd say it's probably other things which I was hoping to get to the bottom of.
If it is mainly a lack of torque that would be fine I just don't see how.
P.S. Aj say 340 cams have terrible bottom end :)
An engine needs very little hp most of the time.
At 1313 rpm hp is 25% of torque.
Tq. hp.
100 = 25
200 = 50
250 = 63
275 = 69
300 = 75
325 = 81
350 = 88
At 2626 rpm an engine need half the torque to make those hp numbers.
