yeah i never tryed it..ill try it the highest rpm i have been to was 9,000 and i was on 4th that was all i needed when i was racing a a 97 DC type r turbo/nitrous funny thing is i took him by a trailer.lol..i have set it to 10,000 now..i dont realy go past 8,500 though..

it just gets better and better

LoL wow my motor has stronger rods and even I wouldn't rev it to 10k.

I never said overreving the engine is a good thing, but do you want to add the stress and strain of switching lobes into the mix? Yours are set to turn off at 8400 rpm. I assume your rev limiter is below that. If you happen to miss a shift and spin the engine to 9,000 rpm, you're not going to damage anything, but in my opinion, you don't want to have the cams dropping out at 8,400 and then back ON when the rpms drop down to 8,400 on the way back down from 9,000.

C

Thats the point i don't have my ECU limit the RPM's thats why i have my cams turning off at 8,4 KRPM i have miss shifted lots of times and i know the revs have passed 9K with no issues. When i purchase the Racing S&R and maybe bigger cams then i will have them set all the way up!

it just gets better and better


this must be pt2

Thats the point i don't have my ECU limit the RPM's thats why i have my cams turning off at 8,4 KRPM i have miss shifted lots of times and i know the revs have passed 9K with no issues. When i purchase the Racing S&R and maybe bigger cams then i will have them set all the way up!You're still missing my point, but it's ok.

C

Lamen's terms:

Set "OFF" to 12KRPM. This keeps the cams from switching back and forth which is ultimately pointless in higher RPM. If you set it to 8000RPM and you rev to 8500RPM, you've just turned off the high lobe of the cam above 8000 which is retarded to say the least.

Lamen's terms:

Set "OFF" to 12KRPM. This keeps the cams from switching back and forth which is ultimately pointless in higher RPM. If you set it to 8000RPM and you rev to 8500RPM, you've just turned off the high lobe of the cam above 8000 which is retarded to say the least.

Agree haha makes total sense

You're still missing my point, but it's ok.

C

i'm shifting at 8KRPM thats why i have mines set to turn off at 8.4KRPM. I got your point because my high lift doesn't turn off never after it turns on. If i miss shift when the engine goes all the way to 9k the high lift turns off at 8.4KRPM for safety Got my point??

if i'm not getting your point here is a question: will my engine blow into pieces if i rev it up to 9K with no rev limit on the high lift(complete stock internal SR20VE)?

i'm shifting at 8KRPM thats why i have mines set to turn off at 8.4KRPM. I got your point because my high lift doesn't turn off never after it turns on. If i miss shift when the engine goes all the way to 9k the high lift turns off at 8.4KRPM for safety Got my point??

if i'm not getting your point here is a question: will my engine blow into pieces if i rev it up to 9K with no rev limit on the high lift(complete stock internal SR20VE)?

Bigger cams give you some comfort as you raise the rev limiter. I wouldn't take N1's on stock springs past 8k but people do. The NZ guys used Franklin stage 4's on stock springs and reved there motors to 9k. We did 9k in my friends car with the Frank 4's but we had valve springs (stock internals). The oil pump seems to be fine but I don't know how long u can keep reving that high before it becomes a problem. My own motor has been rebuilt with forged rods that are lighter than stock but the crank is a 8cw so I lost a little and gained a little.

Bigger cams give you some comfort as you raise the rev limiter. I wouldn't take N1's on stock springs past 8k but people do. The NZ guys used Franklin stage 4's on stock springs and reved there motors to 9k. We did 9k in my friends car with the Frank 4's but we had valve springs (stock internals). The oil pump seems to be fine but I don't know how long u can keep reving that high before it becomes a problem. My own motor has been rebuilt with forged rods that are lighter than stock but the crank is a 8cw so I lost a little and gained a little.

yeah i know thats why my cams are turning off at 8.4KRPM for safety. My friend blown his engine by miss shifting a gear and the engine went up to 9k with SR16 regular cams without springs and the highlift didn't turn off because of the msd switch he was using and the story you know how it ended... Flat Bed, New Engine... etc!

I've taken my N1 camm'd VE to 9k without issue on occasion. Neither you, nor I can say at precisely which RPM an engine will grenade, but I suspect your buddies engine either went above 9k, or it would have bombed on the low cam just as easily as on the high cam.

I will continue to set my 'off' RPM somewhere in the stratosphere, because I don't want the added stress and complexity of my cams switching off and on above 8k.

C

yeah i know thats why my cams are turning off at 8.4KRPM for safety. My friend blown his engine by miss shifting a gear and the engine went up to 9k with SR16 regular cams without springs and the highlift didn't turn off because of the msd switch he was using and the story you know how it ended... Flat Bed, New Engine... etc!

Wouldn't matter if you were on low cam or high cam when it happens.

Wouldn't matter if you were on low cam or high cam when it happens.

True statement.

I've taken my N1 camm'd VE to 9k without issue on occasion. Neither you, nor I can say at precisely which RPM an engine will grenade, but I suspect your buddies engine either went above 9k, or it would have bombed on the low cam just as easily as on the high cam.

I will continue to set my 'off' RPM somewhere in the stratosphere, because I don't want the added stress and complexity of my cams switching off and on above 8k.

C

anyways i wouldn't take the risk Thanks!

check your mass air flow

I Think its the SAFC you have to check on....

its your safc.try another one or one of your friends see if that works. but no matter what you do just set your vvl off point at a high rpm nothing happens to your motor i can tell you that i got video's on youtube reving a lil past 9k & nothing happends to your motor.my ecu got a rev limit at 9,500/no top end/more tqy/more air & fuel/vvl contorller/nitrous controller/a couple othere lil settings its a jwt ecu.it works just fine but the point is your motor will not blow if you happen to rev to 9k.