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no more 1zz fuel cutoff #257884 Aug 24, 7:27am Aug 24, 7:27am
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no more 1zz fuel cutoff
This is courtesy of c2gas. he doesn't spend much time over here, and I've been trying to get him to post how to get rid of the 1zz fuel cutoff point...Just figured I'd give him FULL CREDIT before I posted.

How to remove the rev-limiter in the 1zz -fe engine:
On the pic below change out the 16 mhz crystals to 18 mhz, and eureka...no more fuel cutoff point!!!!!

1870193510-1zzECU.jpg
Re: no more 1zz fuel cutoff [Re: AZZKIKR] #257885 Aug 24, 7:33am Aug 24, 7:33am
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does it affect anything else in the car?? And i wouldnt see much reason for this unless someone has a fixed up engine, doing this for a stock 1zz is thumbsdown rofl


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Re: no more 1zz fuel cutoff [Re: qbanprepster21] #257886 Aug 24, 7:48am Aug 24, 7:48am
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no other effect on the car. but if you build your 1zz (turbo or NA grin), or even just put in stronger valves and valve springs (MWR equipment), you'll be able to rev past the 6850 fuel cutoff

Re: no more 1zz fuel cutoff [Re: AZZKIKR] #257887 Aug 24, 8:02am Aug 24, 8:02am
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This will definately make neutral bombing better. thumbsup

Re: no more 1zz fuel cutoff [Re: Haulin_A_Doo] #257888 Aug 24, 8:14am Aug 24, 8:14am
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^^^^^^ LMAO...hehehehehehehehehe, and neat avatar with the snowmobile

Re: no more 1zz fuel cutoff [Re: Haulin_A_Doo] #257889 Aug 24, 8:27am Aug 24, 8:27am
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cool, any like that for the 2zz-ge???

Re: no more 1zz fuel cutoff [Re: AZZKIKR] #257890 Aug 24, 8:32am Aug 24, 8:32am
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Originally Posted by AZZKIKR
^^^^^^ LMAO...hehehehehehehehehe, and neat avatar with the snowmobile


Thanks. grin

Re: no more 1zz fuel cutoff [Re: ragingpaseo] #257891 Aug 24, 9:03am Aug 24, 9:03am
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Originally Posted by ragingpaseo
cool, any like that for the 2zz-ge???
, yeah I think you can do the same thing with the 2zz and go past the normal redline

Re: no more 1zz fuel cutoff [Re: AZZKIKR] #257892 Aug 24, 9:05am Aug 24, 9:05am
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have you done it yet???

Re: no more 1zz fuel cutoff [Re: ragingpaseo] #257893 Aug 24, 9:19am Aug 24, 9:19am
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not yet, I found it this morning, and I have an email into MWR about how safe this would be, because they have a huge Turbo MRS that they said they rev to like 8300 rpm!!!, so when they email me back I'll know better

Re: no more 1zz fuel cutoff [Re: AZZKIKR] #257894 Aug 24, 9:42am Aug 24, 9:42am
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Originally Posted by AZZKIKR
no other effect on the car. but if you build your 1zz (turbo or NA grin), or even just put in stronger valves and valve springs (MWR equipment), you'll be able to rev past the 6850 fuel cutoff


well my fuel cut off is at 7300 grin after that i seriously don't think ur car make any more power so you will be loosing power


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Re: no more 1zz fuel cutoff [Re: EuRoBoYGT] #257895 Aug 24, 9:46am Aug 24, 9:46am
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how'd you get it that high? this mod, or by way of an apexi PFC???????...and yeah, I was gonna go for around 7300 - 7500...plus my engine is built N/A

Re: no more 1zz fuel cutoff [Re: AZZKIKR] #257896 Aug 24, 9:49am Aug 24, 9:49am
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to tell the truth i don't know how it got that high it used to be at 6900 and then all of the sudden i got it up to 7300 tongue maybe one of those cyrstels got fried but i love redlining that high thumbsup


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Re: no more 1zz fuel cutoff [Re: EuRoBoYGT] #257897 Aug 24, 10:01am Aug 24, 10:01am
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this is only good for the stock ecu right? with fc cant you raise it higher anyways

Re: no more 1zz fuel cutoff [Re: ikin] #257898 Aug 24, 10:04am Aug 24, 10:04am
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Originally Posted by ikin
this is only good for the stock ecu right? with fc cant you raise it higher anyways



yes and yes


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Re: no more 1zz fuel cutoff [Re: qbanprepster21] #257899 Aug 24, 3:14pm Aug 24, 3:14pm

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is this for all the 00-UP or just the 02 GT?

Re: no more 1zz fuel cutoff #257900 Aug 24, 3:29pm Aug 24, 3:29pm
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good question but arent the exus the same for all gt's unlike the gts

Re: no more 1zz fuel cutoff [Re: ikin] #257901 Aug 25, 6:53am Aug 25, 6:53am
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yeah, all the GT ecu's are the same...all the fuel cutoff's are at 6850 rpm

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