hey read!!, well... Options

[jdmart]

on my celica i have a few mods and my cuisn tweaked with the timming a little bit and if u know what im talking bout the timming was set at 16 and it used to be at 5 and i noticed it gave it a lil more power and it kinda sounds a lil like its "caming". but it drives better and i have not noticed any problems at all..
what do u guys think about this i would like ur info......

[Batman722]

since you advanced the timing make sure you run at least 91+ octane gas or you'll get some knock.

[6gcSTVT]

How do you advance the timing on your own? I never thought of messing with it but now i'm interested.

[Batman722]

the 96+ distributors cannot be adjusted to advance timimg IIRC.

[j0e_p3t]

how about on my 95 st?

[jdmart]

How do you advance the timing on your own? I never thought of messing with it but now i'm interested.

well on my 94 i had my cuisn change the timming on he used a flash gun and all he did was losen 2 bolts from where the distributer is at and moved it i wanna say down. then he tested it out u will need a timming gun for this when u check u use the gun over by the pully area

[freakyre33c]

there is a marking on the timing gear and the block. the crucial pullys all have them, crank, cam, water pump ect. when the marks on the pulleys and the block are lined up the time is pretty well syncronized, and when your cuzin advanced the timing all he did was set the mark on the pully off from the mark on the block, all he is doing is changing the time that the valves in the head open and close.

This post has been edited by freakyre33c: Mar 10, 2007 - 8:56 PM

[6gcSTVT]

So by changing when the valve timing it won't hurt as long as you run a higher octane. My car is a 96 but has a california emmission distributor (retarded imo) but does that still make it unable to have its timing changed bc its a 96?

[Batman722]

So by changing when the valve timing it won't hurt as long as you run a higher octane. My car is a 96 but has a california emmission distributor (retarded imo) but does that still make it unable to have its timing changed bc its a 96?

correct.

[IllIllIll]

the 96+ distributors cannot be adjusted to advance timimg IIRC.

So If I get a 95 or early distributor I could advance my timing on my 97? Or will that not work because it's OBDII.

[Rayme]

there is a marking on the timing gear and the block. the crucial pullys all have them, crank, cam, water pump ect. when the marks on the pulleys and the block are lined up the time is pretty well syncronized, and when your cuzin advanced the timing all he did was set the mark on the pully off from the mark on the block, all he is doing is changing the time that the valves in the head open and close.

uh no, we're talking about ignition timing, not cam timing here!

And yes you can get gains noticable enough by advancing timing, the torque comes in a little bit earlier

This post has been edited by Rayme: Mar 11, 2007 - 4:49 PM

[6gcSTVT]

so why isn't this a first mod to be done with our cars? or does everyone just over look it? bc i didn't know about this till this topic got started!

EDIT: oh let me guess...not much in gains. Or not worth the time it takes to change the timing?


This post has been edited by 6gcSTVT: Mar 11, 2007 - 7:09 PM

[Rayme]

so why isn't this a first mod to be done with our cars? or does everyone just over look it? bc i didn't know about this till this topic got started!

EDIT: oh let me guess...not much in gains. Or not worth the time it takes to change the timing?

Can only be done on 94-95 of 6gc's. It does work but higher octane gas is recommended...in my 90 celica I used 14 degrees timing with stock gas, didn't knock..it should also improve gas mileage as each combustions bring a little more power (in the low rpms at least) without using more gas and air. But the higher octane gas kinda negates that effect eh?

This post has been edited by Rayme: Mar 11, 2007 - 9:08 PM

[jdmart]

so why isn't this a first mod to be done with our cars? or does everyone just over look it? bc i didn't know about this till this topic got started!

EDIT: oh let me guess...not much in gains. Or not worth the time it takes to change the timing?

Can only be done on 94-95 of 6gc's. It does work but higher octane gas is recommended...in my 90 celica I used 14 degrees timing with stock gas, didn't knock..it should also improve gas mileage as each combustions bring a little more power (in the low rpms at least) without using more gas and air. But the higher octane gas kinda negates that effect eh?

so ur saying not to use higher octain?

[Bitter]

if your doing advanced timing please atleast use 89. if you put the engine under high load it may knock, where as under less load it'll be ok on lower octane.

[jdmart]

if your doing advanced timing please atleast use 89. if you put the engine under high load it may knock, where as under less load it'll be ok on lower octane.

well i use the highest grade so i thinnk ill be ok

[Jen]

well, this is news to me. fascinating.

[Negative]

You can do it on a 96+ but a few minutes later the ECU is just gonna put it back to stock. One of the reasons people don't just reccomend this is because you can harm you're motor if you advance it too much. Some people just get overeager with it.

This post has been edited by Negative: Mar 13, 2007 - 7:10 AM

[6strngs]

you say it used to be at 5 degrees? oem specs says it should be 10. I advanced mine to 15 and am running 91 octane. haven't had any problems, and I noticed a difference. I'm thinking of doing it to 17 degrees now.

btw, it's easy to change timing. basically, there was one bolt on my distributor. remove it, and then when the engine is running in diagnostics mode (jumper wire between TE1 and E1 of your diagnostics box) just have one person rotate the whole distributor clockwise while one person has a timing light and is checking the timing. put the bolt back in, and you're done.

[jdmart]

you say it used to be at 5 degrees? oem specs says it should be 10. I advanced mine to 15 and am running 91 octane. haven't had any problems, and I noticed a difference. I'm thinking of doing it to 17 degrees now.

btw, it's easy to change timing. basically, there was one bolt on my distributor. remove it, and then when the engine is running in diagnostics mode (jumper wire between TE1 and E1 of your diagnostics box) just have one person rotate the whole distributor clockwise while one person has a timing light and is checking the timing. put the bolt back in, and you're done.

yeah it was set at 5 degrees. well for some reason mine has 2 bolts instead of one and i run 93 octane tell mehow the 17 degrees work out! i might do it too!