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-   RX-7 2nd Gen Specific (1986-92) (https://rotarycarclub.com/forumdisplay.php?f=37)
-   -   fc3s + Renesis = :) (https://rotarycarclub.com/showthread.php?t=6085)

sen2two 01-19-2009 12:23 AM

maz777... have you ever owned and daily drove a 400+ WHP rx7? there no daily driver. i have 2 as of right now. just because you can drive them legally on the street. dosnt make them streetable.

RotaryResurrection. you seem to be pretty up to date on the renesis. i see that the front covers are thinner on the reni, but i still dont see the problem with the pulley. when i put the front cover on with the pulley. theres still room. weather i use the RX8 pulley, or a FC pulley. i even put a 1st gen one on there and it was fine. it goes all the way on without touching the front cover...

did you ever see it not fit? or are you going off a thought? i just want to make sure. it has me thinking im doing something wrong here...

Max777 01-20-2009 09:37 PM

Quote:

Originally Posted by Fidelity101 (Post 67442)
Well because they are rich and they also have upwards of 6.0lt of displacement that is powered by months of development by highly qualified engineers and only a few years old of a car if that. A modified car is a little different, lacks the smoothness of production.

I understand your point, however, that doesnt mean a modified car can not come damn close...

I remember reading quite a few articles about JDM and Euro car tuning, and how some tuning shops pruduced cars that went fast as balls, but yet still offered factory like comfort, full interior, A/C, and what else.

The RE-Amemiya street FD3S is a good example... it is fully road legal, yet whoops everybody elses ass.

There are companies like EXEDY can make a clutch that will withstand 500hp, yet still feel close to stock, while an ACT unit will feel like hell in comparison.

-Os Giken makes a new puck style LSD that exibits none of the typical rumble, clunking, and noise of lets say, a KAAZ.

My point is, that yes, if you modify a car, you will no doubt make it "less streetable", but with at least some effort, and quality engineered parts, and some smart thinking, you can create a really fast car that will still be "streetable". That is how you build a street car.

If you build a race car however, where you remove all emissions, sound deadening, gut the interior, install a roll cage, really hard suspension, all spherical suspension joints, loud ass exhaust, and a host of other mods that make a car unstreetable, and then bitch that its "unstreetable", then isn't it your own fault? :D Shouldn't you have thought of that when building the car, right?

Fidelity101 01-20-2009 09:41 PM

^

definitely, there is always are exceptions to every rule.


Quote:

Originally Posted by RotaryResurrection (Post 67445)
NO gym for home, then who was phone?

:rofl:

The irons are (to my understanding) nitrided from the factory. Still they are very susceptible to cracking under high power (boosted applications or nitrous) and if for some reason the engine develops bad coolant seals, the least little bit of coolant that gets into them and is let to sit for a week or 2 will destroy them.

what?

Okay I didn't know they were factory nitrided but by making the metal stronger it made it more brittle so that is where I can see the cracking possibilities.

Max777 01-21-2009 08:27 PM

just as a follow up on street cars vs. race cars, there's the thread about a red FC being built by a 45 y.o. guy as a "street car". It's a prime example of what I'm talking about.

RETed 01-22-2009 05:55 AM

Quote:

Originally Posted by neit_jnf (Post 67268)
wrong

the renesis has higher torque and power across the whole rev range than any previous NA rotary

it probably has better low end up to about 4 or 5000rpm than pp motors too.

Pull off that fancy schmancy 3-stage intake, and I'd like to see what kinda power it makes?
That intake system does a lot to add to the power output.


-Ted

RETed 01-22-2009 06:02 AM

Quote:

Originally Posted by sen2two (Post 67294)
and the redlibe has nothing to do with the power output directly. they red line is just where it makes consistent power to. you could rev all day to 15k, but if your not making power there, whats the point?

Actually, I don't believe what you just typed, but that's a whole nother tangent entirely...

Quote:

and yes, a BP or PP will put out higher numbers. but no exstensive porting has been put into the renesis yet. again, give it time. also, how reliable and how streetable is a large BP or PP? or even a small semi-PP? these motors are making in stock form almost what those make. this is my point. stop being negative. no ones trying to argue here.
This is why I tend to fuck with turbo'd 13B's.
No need to mess with all this normally aspirated bullshit.


Quote:

jeeze... maybe i shoud not of posted this here. just trying to put it out there. cause theres so many people asking about this. but no ones done it... why do all the internet guru's nit pick. isnt this why people hate rx7club? and come to places like this
You get mighty defensive, huh?
This is an open forum.
As much as you get to express your opinions, I do too...as long as we don't break the rules.
I did not agree with something you said in this thread, so I typed a reply and cited my references.
A lot of the numbers being thrown around are a bit...twisted.
The only thing that does matter is WHEN you finish this project and then throw up a dyno sheet.
This is why I HATE project threads that are not completed - there's too many of them, and people get really unrealistic claims of what their cars MIGHT do.
Like I said before, I'd like to see this project FINISHED; it will prove or disprove what I've been saying for a long time now.


-Ted

WE3RX7 01-22-2009 02:26 PM

I'll be interested to see how this turns out, its definitely different and fun to watch.

I tend to agree with Ted (sometimes) about the fancy intake manifold on the reni. Without that and the higher compression, its not going to outperform a good large SP13B engine.



On the other note, I have to strongly disagree with the not-streetable high output daily driver. I could list countless production cars in that category, but I'll stay on point and only discuss RX7s. Its all in the tuning. You can easily have over 400whp and drive it every day, but it takes time and money (as does everything really). Its so common now for guys to install an EMS and get a "rough" or what they consider a "good" tune. I've seen these maps and over half of the options arent even touched. What makes your run of the mill car run so well is its tuning. Engineers spend countless hours going through the numbers and doing the math and making these engines run GREAT. Thats why its so easy when you bolt something on, it mucks it all up - because the original engineers didnt compensate for stupidity.

Either way, horsepower has nothing to do w/ interior either. So you can have a comfortable (as comfortable as a 2 door sports car can be) 400 or more HP car.

Not to mention, look at the PCM flashes the EVOs get these days. Just a PC reflash and they get over 400hp and otherwise its mostly stock!

vex 01-22-2009 04:05 PM

Quote:

Originally Posted by WE3RX7 (Post 67910)
I'll be interested to see how this turns out, its definitely different and fun to watch.

I tend to agree with Ted (sometimes) about the fancy intake manifold on the reni. Without that and the higher compression, its not going to outperform a good large SP13B engine.



On the other note, I have to strongly disagree with the not-streetable high output daily driver. I could list countless production cars in that category, but I'll stay on point and only discuss RX7s. Its all in the tuning. You can easily have over 400whp and drive it every day, but it takes time and money (as does everything really). Its so common now for guys to install an EMS and get a "rough" or what they consider a "good" tune. I've seen these maps and over half of the options arent even touched. What makes your run of the mill car run so well is its tuning. Engineers spend countless hours going through the numbers and doing the math and making these engines run GREAT. Thats why its so easy when you bolt something on, it mucks it all up - because the original engineers didnt compensate for stupidity.

Either way, horsepower has nothing to do w/ interior either. So you can have a comfortable (as comfortable as a 2 door sports car can be) 400 or more HP car.

Not to mention, look at the PCM flashes the EVOs get these days. Just a PC reflash and they get over 400hp and otherwise its mostly stock!

Speaking of which, I should have you look over the tune on my car when I get the turbo in.

WE3RX7 01-22-2009 04:10 PM

^NP..


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