no vtak?hah
 

hey guys i got my eg goin and sum dumbass swapped a d15z1 into. anyways when i hit 5500 it limits it? i drove my buddys vx hatch with 456,ooo miles on it and that hits like 7400. i do have a cel and its saying o2 sensor heater? would that keep it from passing 5500? i know vtec comes in at 2500 bc of the vtec-e crap but in all gears it doesnt pass 5500rpm? help me out guys. oh and all the car has is a ching chang header full 2 1/4 back with an N1 fart can, and a whale penis intake.

Re: no vtak?hah
 

with a name like "turbocharged innovations", you should be able to work it out.

Re: no vtak?hah
 

what ecu?

Re: no vtak?hah
 

its on a pm3, and micheal bolton or w/e ur name is, i deal with turbo mustangs. i drive a honda bc it saves gas, not because there fast.if i wanna go 9.80's ill drive my fox.

n Turbocharged Innovation is my shop not just my screenname.
www.turbochargedinnovation.com

Re: no vtak?hah
 

Hondas are too advanced for you. Get a bicycle for a gas saver.

Re: no vtak?hah
 

Well first off, the vtec-e comes in at 3k rpm the car should redline at right around 6500 rpm. The correct ecu for the Vx is non-chipable, but I don't know the #s off hand. It uses a different "factory wideband" 02 sensor (I believe a 5 wire), so if you're having a problem with the current 02 sensor, that is probably the issue. If the 02 sensor is bad, that sucks for you, since some of the cheapest replacements for it are around $200.

From your problems, I am guessing the ecu is either chipped and has a screwy rev-limiter, is bad, or it has the ecu from a non-vtec motor in it. But if you do have the vtec-e ecu, I would guess it would not be at all happy if it was runing w/o the special 02 that it needs, since it is pretty much like a self-tuning ecu for maximum efficiency. Maybe it lowers the rev-limiter if it doesn't have the ecu, I really don't know...

The z1 really isn't a bad motor for economy, but it lacks balls with its approx. 90/90 tq/hp #s. I love mine since in my daily I get on avg 45mpg with it and it has some acceleration due to the super-light weight of the Vx shell it's in.

Re: no vtak?hah
 

thanks guys but problems solved i put a p28 in it and the bitch hits 7200 like nuthin and vtec hits like a gsr.

Re: no vtak?hah
 

no it doesnt

Re: no vtak?hah
 

yeah sounds like a bunch of crap. your vtec sucks.

Re: no vtak?hah
 

The z1 dies at 5500, above 6k it's useless and loud for no reason.

But I agree, vtec does "hit hard" since the motor goes from running on 12 to 16 valves, though it probably doesn't run the best with the p28 since the vtec will be higher and it'll run rich with the tune for the higher displacement d16. If the car is wired up for the proper vtec-e sensor, installing the vtec-e ecu will gain you some power and economy. You can pick up those useless ecu's for cheap and could sell your p28 and make some money.

But if you just need a car to run, it'll work as-is.