ignition timing problem

my ignition timing is 23 BTDC
what would be the cause other than the distributor?

Thanks

maybe the timing belt skipped a tooth on the cam gears… but try to adjust the distributor. it’s probably gonna solve your problem. are you having driveability problems at 23BTDC??

no problem running…i’m even running on 87 octane
it’s probably the mechanic mess w/ it when he’s replacing the thermostat

i’ll just go get timing gun and recalibrate it myself

Re: ignition timing problem

Originally posted by silversonic
[B]my ignition timing is 23 BTDC
what would be the cause other than the distributor?

Thanks [/B]

did you jump the ecu? :roll: If you have a non-vtec teg, then either you slipped a tooth on the timing belt, or forgot to jump the ecu cyz the physical max on an LS is 18 deg.

Re: Re: ignition timing problem

Originally posted by SlprTeg
[B]

did you jump the ecu? :roll: If you have a non-vtec teg, then either you slipped a tooth on the timing belt, or forgot to jump the ecu cyz the physical max on an LS is 18 deg. [/B]

what do you mean by physical max?

my timing was good until i had the shop replace my distributor (had to, long story) well i get back to adjust the timing and with it pushed all the way forward i can only set it to 17. i know you dont need to touch the belts or move the cams to replace the distro, so is this not normal? could the rebuilt distro just be ‘different’?
i mean i dont haev a problem with it, 17-18 is what i want, i just wanna know if something is wrong, as usually its supposed to be in the middle. mechanic says its ok, but i wanna double check

Re: Re: Re: ignition timing problem

Originally posted by XDEep
[B]

what do you mean by physical max?

my timing was good until i had the shop replace my distributor (had to, long story) well i get back to adjust the timing and with it pushed all the way forward i can only set it to 17. i know you dont need to touch the belts or move the cams to replace the distro, so is this not normal? could the rebuilt distro just be ‘different’?
i mean i dont haev a problem with it, 17-18 is what i want, i just wanna know if something is wrong, as usually its supposed to be in the middle. mechanic says its ok, but i wanna double check [/B]

meaning, the farthest you can advance a LS is 18 deg because the distributer will not let you rotate it any farthur. So if u losen your dist., and rotate it completely towards the firewall and tighten it, you will be at approx. 18 deg

Re: Re: Re: ignition timing problem

Originally posted by XDEep
[B]

what do you mean by physical max?

my timing was good until i had the shop replace my distributor (had to, long story) well i get back to adjust the timing and with it pushed all the way forward i can only set it to 17. i know you dont need to touch the belts or move the cams to replace the distro, so is this not normal? could the rebuilt distro just be ‘different’?
i mean i dont haev a problem with it, 17-18 is what i want, i just wanna know if something is wrong, as usually its supposed to be in the middle. mechanic says its ok, but i wanna double check [/B]

are you sure you jumped the ecu? because its either that or you slipped a tooth.

Re: Re: Re: Re: ignition timing problem

Originally posted by notecLS

are you sure you jumped the ecu? because its either that or you slipped a tooth.

ya i jumped the ecu. i couldnt have slipped a tooth cuz the distro was in the middle and at 16deg before i brought it there. unless THEY for some reason needed to tinker with it i dunno… or perhaps the belt has slipped? i know my tensioner isnt in the best shape but the belt seems tight to me… deflection is according to spec

Re: Re: Re: Re: ignition timing problem

Originally posted by notecLS
[B]

meaning, the farthest you can advance a LS is 18 deg because the distributer will not let you rotate it any farthur. So if u losen your dist., and rotate it completely towards the firewall and tighten it, you will be at approx. 18 deg [/B]

oh. so what is this talk of people being at 19, 23 etc. thats refreshing to know tho. i guess i can rule that out as being a cause of my bent valve then

Re: Re: Re: Re: Re: ignition timing problem

Originally posted by XDEep
[B]

oh. so what is this talk of people being at 19, 23 etc. thats refreshing to know tho. i guess i can rule that out as being a cause of my bent valve then [/B]

VTEC distributers go to like 21 or 22 deg i think

Ls Disturbor

ok,

ok I have a ls, and when you say jump the ecu do you mean have connection going to the brown and white wires or not having one? and if you don’t have to have them looped is it safe to move the distur. all the way towards the firewall.

why is your name b16a93 if you have a b18a?

POSEUR :ok: :stuck_out_tongue:

Re: Ls Disturbor

Originally posted by b16a93
[B]ok,

ok I have a ls, and when you say jump the ecu do you mean have connection going to the brown and white wires or not having one? and if you don’t have to have them looped is it safe to move the distur. all the way towards the firewall. [/B]

if you are running 93+ octane sure :slight_smile:

when u guys say 18 BTDC is that only 2 degrees advanced from stock ?? is stock timing 16 Degrees? does 2 degrees make a difference ?? im curious

I’m not sure

ya, I Think I noticed a difference, but I was wondering I can just move the timing all the way foward because I was assume it would be much better, but I’m afarid it would hard the engine, what do ya’ll think?

Originally posted by madracing
when u guys say 18 BTDC is that only 2 degrees advanced from stock ?? is stock timing 16 Degrees? does 2 degrees make a difference ?? im curious

I think its only 16 deg stock for vtec engines