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sxyimports125
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2001 Toyota Celica GT

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Sep 13, 8:57pm - #274409 
Rev limiter on 2001 Celica GT

Why does it have a REV limiter? and is there anyway to disable it? It's very annoying...

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slidr
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Sep 13, 9:01pm - #274410 
It has one to prevent distruction of your engine. To disable it, you would need to reprogram your ECU, or buy a stand alone one.


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Sep 13, 9:03pm - #274411 
there are crystals within ur ecu, that you have to change


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sxyimports125
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Sep 13, 9:03pm - #274412 
How do you reprogram your ECU? confused

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sxyimports125
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Sep 13, 9:05pm - #274413 
Crystals? How the heck do you change that????

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Sep 13, 9:05pm - #274414 
Originally Posted by My Sixth Gear
there are crystals within ur ecu, that you have to change
That's how you do it with the 02 GTS, so it is probably the same for the GT. You really have to know your shit to pull that off.


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Sep 13, 9:10pm - #274415 
Is there an easy fix? Cause now I just feel totally lost spineyes

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Sep 13, 9:13pm - #274416 
the crystals in the ecu you want to change from 16- 18 or something not exactly sure, but since you say ur completely lost dont go this route just save up some cash and get a powerFC thumbsup


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sxyimports125
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Sep 13, 9:17pm - #274417 
I would love to get a powerFC, but they cost a fortune! What do you mean by crystals?

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Sep 13, 9:21pm - #274418 
ok you want to change the krystal to 18khz from 16khz (picture from c2gas)

1870228862-crystals.jpg

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sxyimports125
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Sep 13, 9:26pm - #274419 
So, you melt the two 16khz krystals off and soder the new 18khz krystals on, correct?

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Sep 13, 9:27pm - #274420 
yea, but if you do this be careful you dont want to blow ur engine the rev limiter is on there for a reason wink *this will remove ur limiter*


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sxyimports125
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Sep 13, 9:32pm - #274421 
thumbsup I'm aware, hehe. 2 more questions... Where do you buy these crystals at? and, where is the circuit board (from pic) located at?

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Sep 13, 9:34pm - #274422 
its in ur ecu, not sure where you can buy them


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sxyimports125
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Sep 13, 9:36pm - #274423 
Okay, thanks for your much appreciated help cheers grin

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sxyimports125
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Sep 13, 9:51pm - #274424 
Is there more pictures of the ECU or is that the only one?
What source are you getting this from?

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Sep 13, 9:55pm - #274425 
that picture i got off the other site that is the only pic pm c2gas he prolly knows more than me about it since he did it to his car


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sxyimports125
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Sep 13, 10:13pm - #274426 
Thanks man, you've been a big help.

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Virgilson
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Sep 13, 10:20pm - #274427 
sweet...info..

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cALi
Sep 14, 8:33am - #274428 
does that work for a 03GT?

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sxyimports125
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Sep 14, 10:45am - #274429 
I'm not sure

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Sep 14, 11:16am - #274430 
If I were you, I would buy one from a scrap yard & modify it. They are about $150. If you screw your original, you will regret it. thumbsdown

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Sep 14, 11:19am - #274431 
yes it does...but if you rev much past 7,000 rpm on a stock head GT (of any year) you will bend valves and have serious nastiness...you need the MWR valves and valve springs...even though I built my engine with stronger parts, I'm still not going to try this...no point unless you have a pfc to advance the VVTI and actually get some sort of power past 6800 rpm...and you can get the crystals at any electroinics store (by electronics store I mean electronic parts store) maybe even radioshak...but I doubt it...it should take you 30 minutes if that, and about $2.00 for the crystals

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sxyimports125
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Sep 14, 11:28am - #274432 
So, it's pointless to "up" your REV limiter?

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Sep 14, 11:50am - #274433 
unless you build your engine and get an apexi pfc to tune it...or get a Turbo and put in stronger valves and valve springs so your valves don't walk all over the place...the Turbo may make power past 7000 rpm...but that's a different ball park of money we are talking about

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Sep 14, 12:39pm - #274434 
yah you can get rid of it by removing a crystal on your ecu. but by doing so you risk premature engine failure. due primarily to belt valve stems. i would suggest not to remove it, considering mimimal gains anyways, especially for a gt. and one other thing just one bad downshift and your jacked


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Sep 14, 12:50pm - #274435 
Sounds like more of a hassel than for good, thanks guys for the info thumbsup

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hector
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Sep 14, 2:24pm - #274436 
Originally Posted by genax
yah you can get rid of it by removing a crystal on your ecu. but by doing so you risk premature engine failure. due primarily to belt valve stems. i would suggest not to remove it, considering mimimal gains anyways, especially for a gt. and one other thing just one bad downshift and your jacked

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Sep 14, 4:10pm - #274437 
Originally Posted by hector
Originally Posted by genax
yah you can get rid of it by removing a crystal on your ecu. but by doing so you risk premature engine failure. due primarily to belt valve stems. i would suggest not to remove it, considering mimimal gains anyways, especially for a gt. and one other thing just one bad downshift and your jacked


Th rev limiter doesn't prevent you from mis shifting, if you do that, it won't matter if the ECU can fuel cut or not.

The other thing is that the 1zz mkaes the most power at about 6700-6800 RPM (that's 100 rpm before the redline), so increasing it won't do anything but lead to problems.

It does serve a purpose and it is there for a reason.

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Sep 14, 4:37pm - #274438 
Originally Posted by genax
yah you can get rid of it by removing a crystal on your ecu. but by doing so you risk premature engine failure. due primarily to belt valve stems. i would suggest not to remove it, considering mimimal gains anyways, especially for a gt. and one other thing just one bad downshift and your jacked


Primary belt valve stems? confused

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Sep 14, 5:46pm - #274439 
has there been any success on the 02 gts ecu? last i heard no one had figured it out yet.


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Sep 14, 6:30pm - #274440 
nah, its still in the works

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Sep 14, 6:49pm - #274441 
Originally Posted by Haulin_A_Doo
Originally Posted by genax
yah you can get rid of it by removing a crystal on your ecu. but by doing so you risk premature engine failure. due primarily to belt valve stems. i would suggest not to remove it, considering mimimal gains anyways, especially for a gt. and one other thing just one bad downshift and your jacked


Primary belt valve stems? confused


I think he means bent valves, but then again, maybe there are secret belt valve stems that we don't yet know about. rofl

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sxyimports125
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Sep 14, 8:11pm - #274442 
lollol

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Sep 15, 6:56am - #274443 
Originally Posted by silver
Originally Posted by Haulin_A_Doo
Originally Posted by genax
yah you can get rid of it by removing a crystal on your ecu. but by doing so you risk premature engine failure. due primarily to belt valve stems. i would suggest not to remove it, considering mimimal gains anyways, especially for a gt. and one other thing just one bad downshift and your jacked


Primary belt valve stems? confused


I think he means bent valves, but then again, maybe there are secret belt valve stems that we don't yet know about. rofl


laughsilly

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