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most people dont get me
i didnt really have a point i just suggested that they could have acheived a similar power level and overall experience without using vtec to be told that no you cant have an engine with a broad powerband and linear power delivery without vtec, which you can.
Can you show me an NA OEM engine that makes 100bhp/litre without variable cam timing/lift or a variant of such.
i didnt at any point state said alternative engine would need to make 100bhp per litre!
i didnt at any point state said alternative engine would need to make 100bhp per litre! I've said several times it would have to have more displacement as obviously its not going to have cam switching or phasing ( although given cam phasing has been used for a looong time no reason why honda couldnt have used it), so the displacement would make up for the loss of low rpm power whilst using a cam more suitable to upper rpm performance. Is that really that hard an idea to get round
i didnt at any point state said alternative engine would need to make 100bhp per litre! I've said several times it would have to have more displacement as obviously its not going to have cam switching or phasing, so the displacement would make up for the loss of low rpm power whilst using a cam more suitable to upper rpm performance. Is that really that hard an idea to get round
But the entire argument *started* (as much as I can tell) by stating power differences between engines with similar displacement...?
Well said.
simon - yes i know about vvti/vtec, vvti in the example i gave accounts for around 5% low and mid range torque, not to much of a problem if it was lost when its making 10% more torque than a b18 anyway, and has negligable impact on top end, the same engine go's on to make a considerably higher than stock peak power well over 8000rpm (up from 7000 stock) when given a new ecu aswell so obviously port design etc has as much to do with it as it doesnt have any cam lift, so even if you took vvti away, and opened up the rpms a little you could shorten the gearing a bit more to account for any loss in torque, so it is possible without any cam trickery.
In the example of a larger engine, why would it need to rev to the same extremes as a b18? it makes more torque through its displacement, it wouldnt have to spin so high, hence me saying the biggest difference would be noise.
No one has VTEC defence, both systems are good. Your just came in claiming the 2.0 BEAMS engine was better, then saying it has 10% more torque, well this is obvious as it is over 10% bigger (unrelated to the OP).
Your scenario is irrelevant.
If you did set it to peak power phasing all the time then i doubt it would idle due to the overlap, it certainly won't pass the emissions. Just like sticking a VTEC on the peak camshaft all day.
And the 50bhp extra power and a massive powerband
i didnt say at any point the beams was better, i was using it as an example of another way of doing things to acheive similar results, when i first mentioned the idea i said it would have to be a larger displacement engine.
i can tell from what your saying now though you havent read half of what i've said.
True you could also get 200hp from sticking a turbo on an engine too
i didnt at any point state said alternative engine would need to make 100bhp per litre! I've said several times it would have to have more displacement as obviously its not going to have cam switching or phasing ( although given cam phasing has been used for a looong time no reason why honda couldnt have used it), so the displacement would make up for the loss of low rpm power whilst using a cam more suitable to upper rpm performance. Is that really that hard an idea to get round
They do seem to get into the wrong hands I agree, but the K20 in the EP3 is so so good, much more room for modifications over a B-series.
I used to own an EP3 for a short time, it was a good car but it just wasn't as fun as I thought it'd be. They can be made better with a Hondata ECU, few exhaust mods and fast road setup though but as said, they don't really compare to a DC2. EP3 really needs an LSD too.