redline

[dazdp63]

hay i wanted to know what internals do i need to raise my redline up to 9k-10k

[Taras]

You will get too much valve float. So definitely titanium springs and retainers. But why would you want it that high. As far as I know there is no real gains to be had.

[dazdp63]

i noticed on some hondas they redline at 9k and i wanted to see if it was possable for a klze was able to do it to

[Sonicxtacy02]

the only reasons those engines rev that high is thats what it takes for the engine to make power. Its designed that way. There's no reason you would want to make your KL engine rev that high. The power dies out right at the 7k redline.

[dazdp63]

cool thankx for clearing that up for me<p>[ September 11, 2003: Message edited by: dazdp63 ]</p>

[mx3TT]

There are certain powrbands, anything after it will do no good. Plus it would be a whole lot of work for nothing at all.

[HFStuart]

Unless you got some special wild cams ground.<p>That would give you loads of power at high revs but no low down torque at all.<p>You'd probably also need solid lifters.<p>Stuart

[pelado]

...and a custom intake that isn't as restrictive as the stocker.

[Steeb]

Horsepower = (torque x RPMs) / 5252 <p>if a super high reving power monster is what you want out of your engine go for it. dont let people tell you what you can and cannot do especially if they dont know if what they know is fact. anything is possible with time, money and a little research(maybe a lot). heres something for starters.<p>http://hondaswap.com/articles/viewer.php?id=19<p>i dont mean to bash anyone but more hoping you guys will become more well informed before spitting out guesses or "what i heard" info. check it out<p>its all in tuning and what people want out of their engines whether it be high reving or low down monster. it isnt that they must rev that high to make power but they are tuned to do so and do it with 0 complaints. valve float is definate for any k series at rpms that many other engines can rev to with ease. they didnt come with solid lifters because they were never tuned to go above 7500 rpm for street use as well as having longer gearing with engines tuned for lower rpm power. <p>to rev that high not only should u get titanium retainers, but u will need stiffer valve springs as well. converting to solid lifters would probably help with the definate valve float and timing problems ull have above 8k with hla's. after u can rev that high ull need cams to make power up there and lots of tuning and a set of custom adjustable cam gears.<p>i know im going to get flamed for this but i dont care as long as a few willing add som knowledge to their minds

[IanL]

Look at the K series torque curves. As the rpm rises past about 6500, the torque drops away steeply. Multiply the rising rpm by the dropping torque - you won't get more power. The amount of design change needed to shift those torque curves up-band is considerable.<p>Yes, you can rework the engine to achieve high power at very high revs; it's just that the amount and consequent cost of the rework is going to rule it for most people. Fitting a larger engine or boosting the air supply is more cost-effective.

[Steeb]

but there are some of us that want a high reving k series engine. thats why he asked or he would have gone to the boost and ask how much can i boost on a k series?<p>no offense but look at the question<p>[ September 14, 2003: Message edited by: Steeb ]</p>

[HFStuart]

Yes, quite, look at the question.<p>For instance does this strike you as someone with either a lot of knowledge or a huge budget to pay someone else to do the work ?<p>He asked what needed to be done to get the car to rev to 9-10K. The answers pretty obviously said loads and very expensive. Which is fair enough.<p>Stuart

[Steeb]

this is going off topic but oh well after this im over it<p>who and what post answered his question?
:cost too much" does not answer to his question<p>its like if a kid asks for candy and their parents tell them its to expensive so it dont think about it. hes new so y not tell him what he needs to know instead of killing his dream?
going f/i cost a lot too but you dont have to buy everything at once do u?

[chance]

One of the reasone those torque curves drop off at the higher rpm ranges is because the stock intake system isn't designed to handle the airflow your engine wants to draw when it is firing that fast. And I agree, a good bit of head work would be needed. I'm all for someone trying it. I've built a few sbc's that seen 8 grand. hell, had a 327 that was whinding out around 10 for a couple passes.

[curve]

Well considering my kl-ze is redlining at 8000 and its pulling like a mofo at that rpm I will prodly say that it could probanly hold 9000 if it would let me give it that much. But I have a lot of money tied up in making it do that. It is possible and I just thought I would let all of you know that and just like the other person said, he's new to this site but don't throw his dreams out the window he can do it b/c I already have done it.