What's too high on the RPM??

[alanizgod]

I just saw a thread that lead to a youtube video showing someone driving all the way up to 5k...I like to baby my car but at certain times I like to pick up and go. I usually keep myself from going above 4k because I figure it's unhealthy for the engine and I don't think it's worth fucking it up. Does anyone else do this?? If it's fine to do I wouldn't mind doing it...

[Civic Accord Honda]

i used to take my 3g up to rev limiter every now and then which is like 7200RPM A20A being a strong engine ftw

[A18A]

lol it's all good, these cars can handle it. though it's a good thing you baby your car, but thrashing it every now and then won't hurt. just dont sit on the rev limiter for hours on end

[alanizgod]

Well casually driving fast lol when would you normally kick to a different gear?

[alanizgod]

lol it's all good, these cars can handle it. though it's a good thing you baby your car, but thrashing it every now and then won't hurt. just dont sit on the rev limiter for hours on end

Yeah honestly it's nice to drive faster time to time...I always have it in mind is it really worth it if the engine blows out =/ I'd prefer to drive like an old woman than have no ride at all

[A18A]

driving normally? around 2.5k - 3.5k, when driving hard, about 6.2-7k. haha yeah i drive like a old lady most of the time

[Rendon LX-i]

The a20 can take it but redline at 5500 or 6g instead of 6500 which is the stock rev limiter

[Demon1024]

i dont go more than 5.5, but my engines have a nasty habit of aquiring ticking noises
of course i've only had one with less than 200k on the dash, and that tick is all from my bad (little too much advance)

[AccordB20A]

dunno about your USDM motors but this EDM a20a2 i used to beat on endured 8000rpm lots. but 7k would be fine on a stock motor not that it would make any pwoer there,

[alanizgod]

Alright I guess if need be I'll hit it hard. Just needed some reassurance that it won't make my engine explode on me or anything. It's also useful to know when I'm on a freeway going uphill...my car has a hard time making it up there so maybe kicking back in 4th at a higher rpm would be more fine even with prolonged revving.

[LxAcc510]

Alright I guess if need be I'll hit it hard. Just needed some reassurance that it won't make my engine explode on me or anything. It's also useful to know when I'm on a freeway going uphill...my car has a hard time making it up there so maybe kicking back in 4th at a higher rpm would be more fine even with prolonged revving.

My advice to you for going uphill is just anticipating when you'll start the incline and just punch it up to 75-80 so as you're going up you'll still be able to cruise at 65-70. Because IMO downshifting to 4th and punching it is less economical--uses more gas.

Just stating what may or may not be obvious to you already. :wave:

[alanizgod]

Haha with the recent gas prices I'm down to kill my mpg in any way

[LiTtLe xOx BitT]

Id say no more then 6250 to be safe.

[Strugglebucket]

If the engine's in good shape, you should have no fear of reving it high. When driving a manual, I'm always much more concerned with not lugging it at low rpms...

[86ccord]

i never go over 5500.. just in case.. haha

[cubert]

If the engine's in good shape, you should have no fear of reving it high. When driving a manual, I'm always much more concerned with not lugging it at low rpms...

x2

[Low_Rida]

I dont know about you gys but when my car was up and running i used to punch it in gear all the time, i drove taht thing like i was a bat out of hell running for its life. My car never gave me troubles as long as i double clutched instead of jerking the car.

[alanizgod]

If the engine's in good shape, you should have no fear of reving it high. When driving a manual, I'm always much more concerned with not lugging it at low rpms...

Haha is it worse to lug it than to rev more than you typically would?

[Tdurr]

i shift at 6.5k if im racing lol. and when i feel like topping out each gear. i get scared when im in gear and go over 6.5k

[Civic Accord Honda]

Haha is it worse to lug it than to rev more than you typically would?
yes u put more strees on the trans

[codyJDM]

I've never been higher than 5.5-6k in my car, I don't like to beat on it too bad

[89sei89dx]

shiftinn 5 to 6 in each gear. its ok . faster now. i feel aall my power from like 3500 to 5500 http://www.youtube.com/watch?v=6fGCjXF9ObE

[MessyHonda]

when i did my obd1 swap i had a pr4 computer with a 7200 rpm rev limiter...i have a stage 2 cam so it would love to rev high...now i have the msd box i put in my 6k rev limiter chip.

[rjudgey]

If your accellerating from lights pulling upto what ever rpm is fine all depends on what you done to the engine and cam you have. Mine revs to 7.5k with power as it's got a aftermarket cam in. And also it's been built for high revs as well with uprated springs etc. etc. But the main thing is to not keep it at high revs for instance your in 3rd gear on motorway trying to get the last 500rpm of power out of it and holding it there for 10-15seconds thats a no don't do it change up and use the torque it's quicker that way anyway!! If you just flicking up the box and just hitting 7k for a couple of seconds on the way up thats fine your unlikely to blow anything up unless the engine is allready damaged or worn!! Just make sure you got plenty of oil in the engine and if it's been babied and serviced properly all it's life it's fine. Obviously regular thrashing and driving continually at high rpms will seriously increase wear and likely hood of failure but flicking up the first 3 gears won't!! hope that helps.

[cygnus x-1]

As long as the engine is in good condition you should have no fear of hitting the redline on occasion. Just don't keep it there all the time. However you can cruise at 4500RPM all day long. It's kinda fun too. :D

What you don't want to do is floor it below 2000 RPM. That's where you're most likely to get spark knock which can lead to engine damage. And there isn't much torque down there anyway so really no point to it. No need to be paranoid, just keep it in mind as something to not do.

C|

[Toneloc5145]

It's not even necessary to go over redline (6250) on a stock engine, as the A20's powerband is in the midrange, not the upper like most newer Honda's. I shift at 6,000, just enough so im still in the powerband when i shift to second (or third, or fourth, etc.).

[guaynabo89]

pgmfi A20's ecu cut fuel at 6350 rpm.

a stock A20 doesn't have anything over 5500 rpm

[russiankid]

Here is my video. I don't go any higher than this because its pointless.

http://www.youtube.com/watch?v=LPgguZ9Rey8

[OldSkoolA20accord]

i used yo shift at 6 grand all the time

[Tdurr]

pgmfi A20's ecu cut fuel at 6350 rpm.

a stock A20 doesn't have anything over 5500 rpm

I thought it was 5800?? lol

[Toneloc5145]

Here is my video. I don't go any higher than this because its pointless.

http://www.youtube.com/watch?v=LPgguZ9Rey8

Are you at wide-open throttle in this vid? My car seems to rev faster than yours and therefor seems faster. Also, mine pulls to 6000 but drops off right after.

[russiankid]

Are you at wide-open throttle in this vid? My car seems to rev faster than yours and therefor seems faster. Also, mine pulls to 6000 but drops off right after.

That is wide-open throttle. My timing is slightly retarded though.

[Oldblueaccord]

go right to the fuel cut in the first two gears. I think mines 7200 but the tacs off a little on these cars. Reason: You want your rpm up over 4 k in the next gear you shift too or right on top of the max torque of the motor. Drager racers calls this "wind" or over wind maybe. You always want to come accross the traps in a drag race a few hundred over your redline. You can serach around the internet for it its be drag related.

Do a search in the general section Mushroom toy has his dyno graphs up and it shows the power curve it still pulls good hp at 7k.


wp

[Tdurr]

^^ yea thats why i shift at 65. puts me in a okay spot.

[MessyHonda]

http://img.photobucket.com/albums/v650/Messybone/LX-i/IMG_1947Small.jpg


that is my dyno...this was with just intake, headers, exhuast and obd1 swap with pr4 map.

i would rev it to redline 6850

[Tdurr]

dang son, thats a shit ton of tq. 149. I wanna see my dyno...

[MessyHonda]

dang son, thats a shit ton of tq. 149. I wanna see my dyno...

the dyno did not read it right....right now i think im at 120whp with around 120-125 tq to the wheels

[Toneloc5145]

That is wide-open throttle. My timing is slightly retarded though.

Ahh....mine is slightly advanced and I think I'm running a little rich, so that explains it. I just can't tempt myself to retard the timing, I'm addicted to the extra power. I'm not addicted to the fuel economy worsening though.

[rjudgey]

Should increase your economy but because your gunning it everywhere is why you are using extra gas!! Be carefull though don't increase timing too much or you might grenade your engine how much further advanced is it from stock?? Mines a couple degrees but my CR ratio is only 8.5:1 and my chambers are polished and flowed so i can get away with it a lot better probably could even go a few more degrees but the engine is running like champ the way it is anyways so i'm happy :tongue:

[Toneloc5145]

Should increase your economy but because your gunning it everywhere is why you are using extra gas!! Be carefull though don't increase timing too much or you might grenade your engine how much further advanced is it from stock?? Mines a couple degrees but my CR ratio is only 8.5:1 and my chambers are polished and flowed so i can get away with it a lot better probably could even go a few more degrees but the engine is running like champ the way it is anyways so i'm happy :tongue:

Not that much. I would say a couple degrees as well. I havn't really dug into it to know the exact amount. All i know is that my car runs really good right now, probably the best it has since I have been driving it. I've driven the car with the timing retarded a little and while I enjoyed the good gas mileage, the power was just lacking, especially when they changed the gas here to 10% ethanol blend. I think I found the perfect combination of power and mileage so i'm not going to touch it.