The U. S. also has restrictions on how much "intake" noise a imported vehicle can
produce. I have heard some say that is the reason for the two 1" intake holes on the
Max. I do not know how much water this holds because the air box is the same at all
locations in the world.
I think the intention was for low end torque. A motor is basicly an air pump right?
Soooo the more air you can get through it, the more horse power you can produce. This
is true for top end. BUT the oppisite is true for low end. Case in point, if you look
at drag motors that spend 98% of the run at high RPM they have big valves, ram intake
with twin carbs, and 1' pipes bolted to each exhaust port to route the hot gases away
from the motor. I.E. the least restriction as possible. If you look at thier dyno
sheets, they don't start making horse power, relatively, untill high RPM's. Then
again if you look at the hill climers, off road trucks, they have realitively small
valves full exhaust and smaller carbs. They make all thier torque at the lower RPM's.
It has to do with the velosity of the air moving through the motor. The faster the
air the better the atomazation of the liquid gas in to a gasious from, the better and
more efficient the bang. Smaller valves, intake, an!
d carb gives higher intake fuel/air velostiy = better low end performance, BUT on the
other side this limits how much air you can get through the motor = poor top end.
Torque = acceleration
HP = Top Speed
The Max was desgined for 1/4 mile acceleration. I think that was the intention behind
small intake. I have a Holeshot 4-1 exhaust, with both an air box lid and K&N trimed
to provide maximum air flow. My max is an absolute dog below 3,000 RPM's but at
10,000 RPM's makes about 12 more horse power than a stock Max. It just depends what
you want to do.
Kraig
VMOA 1328
The "P-51" Long Range Max
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