valve timing 182

[s4m]

anyone know if theres any way to bring the valve time lower so it kicks in earlier??

cheers

 

[Jonny1*2]

when you say kicks in earlier what are you meaning? the rev kick at 5k? if so, a remap would be the way to go. CAMs would also be another option.

 

[s4m]

ye it kicks at 5k but seems too long to wait, be nice if could get it at 3k or even lower?

 

[DrR]

IIRC the VVT kicks in at 1800RPM

 

[Tom]

Change the cams

 

[JoedotwasT5phy]

Valve timing is for emmisions iirc.

The 'kick' is when the engine is naturally at its most efficient

 

[sideways danny]

Valve timing is for emmisions iirc.

The 'kick' is when the engine is naturally at its most efficient

not quite. It's when it comes off lean running. It's run lean fairly high up the revs for emissions, so there's a torque "hit" when it gets the fuel it actually wants

 

[DrR]

Why can't this be mapped out then?

 

[Budgie]

Why can't this be mapped out then?

It can.

Some maps smooth the kick out, some exagerate it. IIRC, anyway.

 

[sideways danny]

Why can't this be mapped out then?

It can.

Some maps smooth the kick out, some exagerate it. IIRC, anyway.

as above. Depends how good the mapper is really, and if they know what they should be aiming for

 

[JoedotwasT5phy]

not quite. It's when it comes off lean running. It's run lean fairly high up the revs for emissions, so there's a torque "hit" when it gets the fuel it actually wants

:rasp:

 

[s4m]

wats IIRC? :S

 

[Budgie]

If I remember correctly.

(A forum way of covering your arse when you're not sure if you're talking bullshit or not..)

 

[s4m]

oh i see lol thanks for that

 

[s4m]

so a remap prob wont bring the kick to lower rpm? but cams mite?

 

[Budgie]

A decent remap may see you slightly more useable torque. More in the mid-range, than higher..

 

[Fred@BTM]

v-tec yo!

 

[Sean6545]

This fools runnin a hondaa 2000.......

 

[sideways danny]

so a remap prob wont bring the kick to lower rpm? but cams mite?

A decent remap may see you slightly more useable torque. More in the mid-range, than higher..

a good remap will smooth out the kick by giving you more torque and power lower down the revs

 

[Jonny1*2]

so a remap prob wont bring the kick to lower rpm? but cams mite?

Cams will change the profile of acceleration yes. If you want more power lower down it's either a case of cams and remap to suit, or TB or turbo/supercharger. Obviously the more you spend the better the gains.