ricardoa1
Registered User
Quote From the person responsible for tuning. If its not ok for me to post your quote please let me know I will take it down and leave just #s. I just did not want to reiterate what you have said.
"Here are the results.
360rwhp @ 5000rpm
445rwtq @ 3400rpm
On a Mustang Dyno with crap air (93% humidity). On a cool, dry day on a
dyno jet it probably would have done 380rwhp with no problem. Maybe a tad
more.
Boost is still falling off about 1psi above 4500rpm, peak is 21.5psi @ about
3500. It doesn't look like belt slip but I'm not sure.
Air temps are pretty high which is causing it to pull timing. I think that
with alcohol injection 400rwhp might be possible and practical to maintain.
Keep in mind also that the motor is new and not really broken in yet. You
might be able to add another 10rwhp after break in.
Car runs great, so I thought maybe this would be some good news for you."
Quote, after me asking if a little overdrive would help"
"The blower makes peak boost at 3500rpm and falls off after that. This means
that the motor is already over running the blower unless it's belt slip
which I have been unable to verify. In either case the blower is making over
20psi throughout the range which is about max for pump gas and no additives.
Adding more OD is going to make more boost down low and may or may not
improve things on the top end. You are already making a very high torque
number which puts cylinder pressure at those rpms at a dangerous level. "
"
The weather is also a big factor right now. It's raining which means
90-100% humidity and is expected to continue as such for most of the week.
Add that to the fact that this was a Mustang Dyno and running a car with
3.08 gears in 4th gear puts a lot of heat and load on the motor. "
The M112 seems to make about the same power as the MPx at the same boost
levels. If it is capable of more power it will be only through more OD and
boost which will mean a 10% crank pulley and race fuel or alcohol. "
This blower definitely comes on quicker than the MPx. It makes boost at a
very low rpm giving instant response whereas the MPx you have to wait for
just a little.
You will have to take the car and break in the motor. Then when weather
improves and you have a chance to put it on a Dyno Jet I think the numbers
will improve significantly. To achieve this power level through cats and a
nice exhaust system given the conditions is very commendable."
Thats the story with my car. If the tuner chooses to add to this by all means you are welcomed. I took on this project to try to help myself but also to pave another road to achieving HP on our cars. Opinions are welcomed. I hope to have my car soon, it should be a very mean street car which is my intended use. I would have loved a little more but maybe my expectations were too high. Maybe at the shootout I can have a better understanding of how the car performs against others.
"Here are the results.
360rwhp @ 5000rpm
445rwtq @ 3400rpm
On a Mustang Dyno with crap air (93% humidity). On a cool, dry day on a
dyno jet it probably would have done 380rwhp with no problem. Maybe a tad
more.
Boost is still falling off about 1psi above 4500rpm, peak is 21.5psi @ about
3500. It doesn't look like belt slip but I'm not sure.
Air temps are pretty high which is causing it to pull timing. I think that
with alcohol injection 400rwhp might be possible and practical to maintain.
Keep in mind also that the motor is new and not really broken in yet. You
might be able to add another 10rwhp after break in.
Car runs great, so I thought maybe this would be some good news for you."
Quote, after me asking if a little overdrive would help"
"The blower makes peak boost at 3500rpm and falls off after that. This means
that the motor is already over running the blower unless it's belt slip
which I have been unable to verify. In either case the blower is making over
20psi throughout the range which is about max for pump gas and no additives.
Adding more OD is going to make more boost down low and may or may not
improve things on the top end. You are already making a very high torque
number which puts cylinder pressure at those rpms at a dangerous level. "
"
The weather is also a big factor right now. It's raining which means
90-100% humidity and is expected to continue as such for most of the week.
Add that to the fact that this was a Mustang Dyno and running a car with
3.08 gears in 4th gear puts a lot of heat and load on the motor. "
The M112 seems to make about the same power as the MPx at the same boost
levels. If it is capable of more power it will be only through more OD and
boost which will mean a 10% crank pulley and race fuel or alcohol. "
This blower definitely comes on quicker than the MPx. It makes boost at a
very low rpm giving instant response whereas the MPx you have to wait for
just a little.
You will have to take the car and break in the motor. Then when weather
improves and you have a chance to put it on a Dyno Jet I think the numbers
will improve significantly. To achieve this power level through cats and a
nice exhaust system given the conditions is very commendable."
Thats the story with my car. If the tuner chooses to add to this by all means you are welcomed. I took on this project to try to help myself but also to pave another road to achieving HP on our cars. Opinions are welcomed. I hope to have my car soon, it should be a very mean street car which is my intended use. I would have loved a little more but maybe my expectations were too high. Maybe at the shootout I can have a better understanding of how the car performs against others.
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