Boost Question
Le Mans Master
Joined: Oct 2007
Posts: 6,149
Likes: 11
From: Greater Detroit Metro MI, when I'm not travelling.
Don't get me wrong Dan, I have zero issues with the performance of the car, it's as fast as I can handle. I was just curious as to why the two types of blowers made boost at different rpms.
So Sam, by dropping the CR, does that make the stock motor more capable of handling higher boost levels without blowing up?
So Sam, by dropping the CR, does that make the stock motor more capable of handling higher boost levels without blowing up?
The simple answer is "yes":Dropping the compression ratio makes any motor capable of handling more boost without detonating on pump gas
It also necessitates that you run more boost to make the same power you did before though, so, whether that makes it able to handle more POWER, is a different story... It would make safer power, but the absolute limit is still the stock internals if you prevent detonation through other means like Meth injection...
Thread Starter
Drifting
Joined: Sep 2008
Posts: 1,630
Likes: 3
From: Aiea Hi.
Ummm... Tricky question The simple answer is "yes":
Dropping the compression ratio makes any motor capable of handling more boost without detonating on pump gas
It also necessitates that you run more boost to make the same power you did before though, so, whether that makes it able to handle more POWER, is a different story... It would make safer power, but the absolute limit is still the stock internals if you prevent detonation through other means like Meth injection...
The simple answer is "yes":Dropping the compression ratio makes any motor capable of handling more boost without detonating on pump gas
It also necessitates that you run more boost to make the same power you did before though, so, whether that makes it able to handle more POWER, is a different story... It would make safer power, but the absolute limit is still the stock internals if you prevent detonation through other means like Meth injection...
I noticed that people who run turbos frequently run lower CR's. I'm guessing based on this threads educational direction that the reason for turbos requiring lower CR's has to do with the higher AIT then...?
Le Mans Master
Joined: Oct 2007
Posts: 6,149
Likes: 11
From: Greater Detroit Metro MI, when I'm not travelling.
Not necessarily; most turbos are actually more efficint than centrifugal superchargers... The guys running lower CR are just looking for big power numbers... All the "mild" turbo kits keep the engine stock just like base supercharger kits...
