Are cylinder pressure and boost pressure inextricably linked

[ginge191]

In theory if you have the same amount of air and fuel going in then you have the same size of explosion during the combustion cycle (same amount of force pushing piston down-turning force on crank) as you would if you reached the same level of boost higher up the revs so you should reach peak torque sooner in the revs as the extra air will be available sooner, clear as mud?!

Also in theory FMIC wont make all that much difference as long as your not staying on full boost for prolonged periods of time (as if you do the TMIC will struggle to cool the increase in charge temps) and worth considering is that the longer the pipework the more space you have to fill with boosted air before it reaches the engine resulting in (marginally) more lag so distance from turbo-inlet should be as short as possible.

i see where your coming from, but again, the current standard pipework is farily restrictive behind the TMIC it seems very narrow, taking that into account, would and FMIC be a better option.

As said before, im trying to get the best amount of low end possible but dont want to spend money on a front mount if its going to be pointless - some say its worth it, others say not..



And wheres the troll :geek: ??