cold air intake
cold air intake
Hi..I'm new to Infiniti. Just bought a used M37X with 20K miles and want to add a cold air intake. Stillen in the only one I can find. Is this a good system and worth the change? Looking for any answers. Help please. Thanks
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Larz
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Re: cold air intake
In my opinion, addiong a CAI does two things:
1) cost a lot of money
2) make the engine "look" more powerful
They someties add less than 10 more HP (if you're lucky) but in spite of what the name implies, they don't provide any significantly cooler air than the factory system (proven by Dyno testing). As far as the temps go ... consider this: the factory set-up pulls air directly from the grille area - as close to outside the engine temps as you can get. The CAI is shorter, pulling air from INSIDE the engine bay. How can that be cold air?
However, if you combine a CAI with an actual UPrev tune, there is much to be gained.
1) cost a lot of money
2) make the engine "look" more powerful
They someties add less than 10 more HP (if you're lucky) but in spite of what the name implies, they don't provide any significantly cooler air than the factory system (proven by Dyno testing). As far as the temps go ... consider this: the factory set-up pulls air directly from the grille area - as close to outside the engine temps as you can get. The CAI is shorter, pulling air from INSIDE the engine bay. How can that be cold air?
However, if you combine a CAI with an actual UPrev tune, there is much to be gained.
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EniGmA1987
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- Car: '06 Infiniti M35 Sport
Re: cold air intake
thermal wrap would probably be better to put on your stock intake tube than upgrading the intake itself. That would drop air temps a few degrees probably because the intake tube wouldn't soak up as much heat from the engine, or at least take much longer to soak up the heat.
While you cannot add a plenum spacer since you have a newer engine, you can probably still add an isolation spacer on the intake manifold to help delay the onset of heatsoak into the manifold. I'm not sure if anyone makes a gasket already or if you would have to create your own. I dont believe the older gasket for the DE engines will work, since the newer HR engine has square manifold holes while the older engine has oval holes. Adding this isolation gasket on my engine makes it take a couple more hours before my plenum area is really hot, where as it used to get too hot to touch after just barely a half hour of driving.
While you cannot add a plenum spacer since you have a newer engine, you can probably still add an isolation spacer on the intake manifold to help delay the onset of heatsoak into the manifold. I'm not sure if anyone makes a gasket already or if you would have to create your own. I dont believe the older gasket for the DE engines will work, since the newer HR engine has square manifold holes while the older engine has oval holes. Adding this isolation gasket on my engine makes it take a couple more hours before my plenum area is really hot, where as it used to get too hot to touch after just barely a half hour of driving.
Re: cold air intake
HR's have a plastic intake manifoldEniGmA1987 wrote:While you cannot add a plenum spacer since you have a newer engine, you can probably still add an isolation spacer on the intake manifold to help delay the onset of heatsoak into the manifold. I'm not sure if anyone makes a gasket already or if you would have to create your own. I dont believe the older gasket for the DE engines will work, since the newer HR engine has square manifold holes while the older engine has oval holes. Adding this isolation gasket on my engine makes it take a couple more hours before my plenum area is really hot, where as it used to get too hot to touch after just barely a half hour of driving.
Re: cold air intake
thanks a lot for the quick replies.
Re: cold air intake
+1, waste of time and money for what is gained. There are other things that you can do to increase power.
Watch this and then way the pros and cons, http://www.youtube.com/watch?v=gCi2yo4UqPI
The car also ways in heavily, while some cars may gain a great deal RELATIVELY-6hp
, most get 1-3hp . You decide if its worth it. Unless my neck snaps back, its not worth it to me.
Just my opinion anyway.
Watch this and then way the pros and cons, http://www.youtube.com/watch?v=gCi2yo4UqPI
The car also ways in heavily, while some cars may gain a great deal RELATIVELY-6hp
, most get 1-3hp . You decide if its worth it. Unless my neck snaps back, its not worth it to me.Just my opinion anyway.