300hp+ n/a is it possible?
#27
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Originally Posted by RETed
NO bridge is going to hit 300 at the wheels.
...
This is NORMAL ASPIRATED and NO NOS, NO turbo, NO SC.
-Ted
...
This is NORMAL ASPIRATED and NO NOS, NO turbo, NO SC.
-Ted
Getting damm close though.
289rwhp on a dyno dynamics dyno.
So i guess if that same person did it on a mustang dyno it could've reached 300rwhp.
but anyway, your right, the average joe even if he had a lot of money to spend wouldn't get that.
thats with alot of development and testing.
A good read on powerful N/A 13b's is to be had http://ausrotary.dntinternet.com/for...pra+birdgeport
#28
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Originally Posted by Fritz_X
Some people are only 15-20 whp away from 200 on stock ports Ted how is it so unbelievable to make an additional 15-20 with a good streetport?
174 and 177 is the highest I've seen.
Someone mentioned 18x from some other forum, but I called bullshit on that thread.
It becomes the law of decreasing returns.
Surely one with an "unlimited" budget can do it, but how many of you can afford a $10,000 NA 13B engine?
-Ted
#29
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Yep 300hp is going to be pretty damn impossible with a N/A. You're best off with the standard S5 9.7:1 rotors. Peripheral port definitly. Now I believe you have to run dual carbs on a PP but I really don't know a whole lot about that. Anyways dual carbs dumping alot of fuel and an ignition system to light the ****. Man its a lot of work and only if its well tuned will you see 300hp at the wheels. Would be a fun motor but unless you have money to burn its a bad idea.
#30
@ pipnorcali
Originally Posted by RETed
NO street port is going to hit 200 at the wheels.
NO bridge is going to hit 300 at the wheels.
Only a PP is going to hit 300 at the wheels.
This is NORMAL ASPIRATED and NO NOS, NO turbo, NO SC.
-Ted
NO bridge is going to hit 300 at the wheels.
Only a PP is going to hit 300 at the wheels.
This is NORMAL ASPIRATED and NO NOS, NO turbo, NO SC.
-Ted
#33
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Originally Posted by RETed
This has been the magic number that no one has attained yet...
174 and 177 is the highest I've seen.
Someone mentioned 18x from some other forum, but I called bullshit on that thread.
It becomes the law of decreasing returns.
Surely one with an "unlimited" budget can do it, but how many of you can afford a $10,000 NA 13B engine?
-Ted
174 and 177 is the highest I've seen.
Someone mentioned 18x from some other forum, but I called bullshit on that thread.
It becomes the law of decreasing returns.
Surely one with an "unlimited" budget can do it, but how many of you can afford a $10,000 NA 13B engine?
-Ted
--Fritz
#35
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You can't change Torque in a NA engine by much but with the proper porting you can move the torque to an RPM range that will make the HP you want.
Let's be generous and say that you can get 150 foot pounds of torque out of a NA 13B. You'll need to port it to run at 10,500RPM to make 300 HP.
(RPM=HP*5250/T)
good luck
ed
Let's be generous and say that you can get 150 foot pounds of torque out of a NA 13B. You'll need to port it to run at 10,500RPM to make 300 HP.
(RPM=HP*5250/T)
good luck
ed
#36
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Originally Posted by flamin-roids
Yep 300hp is going to be pretty damn impossible with a N/A. You're best off with the standard S5 9.7:1 rotors. Peripheral port definitly. Now I believe you have to run dual carbs on a PP but I really don't know a whole lot about that. Anyways dual carbs dumping alot of fuel and an ignition system to light the ****. Man its a lot of work and only if its well tuned will you see 300hp at the wheels. Would be a fun motor but unless you have money to burn its a bad idea.
- Steiner
#37
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Originally Posted by SDrotary-FC
i think your wrong on that the motors i've seen are'nt cheap but they make big power , when a guy spends more than $6k on a motor it better make more than 200 at the wheels
Can it be done on a stock ECU?
-Ted
#39
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Originally Posted by Fritz_X
Law of decreasing returns sure, but porting is widely known to be the biggest net gain in power in a Naturally aspirated rotary, so explain to me how you can't squeeze an additional 15 to 20 out of an engine with stock ports buy porting it?
This is what you need to prove.
-Ted
#41
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Originally Posted by flamin-roids
Yep 300hp is going to be pretty damn impossible with a N/A.
#42
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Originally Posted by NZConvertible
I'm assuming you mean power at the wheels, since people have been getting 300fwhp from 13B's for over 20 years...
#46
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Originally Posted by flamin-roids
Yeah but seeing as how now adays most N/A FC owners can't afford to fund such a project. I'm sure with enough money you can make a 400hp N/A but most of us can't afford it. And I've seen a street ported N/A get 213hp at the wheels. It had a huge port job done along with a dual side draft carb setup and some other goodies.
400HP NA 13B??? Not unless you can turn 15,000RPM
#47
@ pipnorcali
Originally Posted by RETed
I ask again, you think the original poster or most of the FC NA owners in here can afford something like that?
Can it be done on a stock ECU?
-Ted
Can it be done on a stock ECU?
-Ted
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