where is the speed limiter?
Bongolio
Joined: Nov 2004
Posts: 1,556
Likes: 1
From: visalia,california
Originally Posted by NZConvertible
The driver has no effect on the capabilities of the car. If one person can drive the same car better than someone else, that's got nothing to do with the car. If a driver chickens out before top speed is reached, that's got nothing to do with the car.
Traction is the wrong term. You're talking about the speed rating of the tires. Again, that's not what is actually limiting the car's top speed.
Weight has no effect on top speed. If you think it does, you need to take some basic physics lessons. Weight affects acceleration, so if you lighten your car it'll reach its top speed a bit quicker, but it won't be any faster.
Traction is the wrong term. You're talking about the speed rating of the tires. Again, that's not what is actually limiting the car's top speed.
Weight has no effect on top speed. If you think it does, you need to take some basic physics lessons. Weight affects acceleration, so if you lighten your car it'll reach its top speed a bit quicker, but it won't be any faster.
Not to be an *** but if you could prove that weight does not effect top speed i would honestly appreciate that!
Senior Member
Joined: Mar 2001
Posts: 459
Likes: 0
From: Reading, PA
I've has my speedo stretched at 160 in my T2 already, didnt really have time to see the RPMs but i had the speedo maxed like 2 times now, and i got alot of work done, so it still pulled strong at 160mph
I can't believe some of these stupid posts in this thread.
I did 150 daily etc.... in my na etc....
BS..... That's turbo territory not NA.
Anyone with different tires(not rims but your tires matter...) don't even state your speeds unless you've been clocked at those numbers or know your adjustments to compensate over stock ratio's.
Any way. You should be able to remove that screw with no ill effect to your speedo. Your speedo is the same as our just with an extra screw in it and it's in kmh.
Hal. You may not be able to go over 120mph if your 5/6th ports are not fully functional.
I disconnected mine one time and it took forever to get near 120mph. If they don't fully open then your not getting your top end power.
120mph is really where the NA's stop climbing quickly. After that it's overdrive and up to distance/wind resitance/and slope.
The fastest I've gotten to is "AROUND" 135 in my 88 SE. It took a LONG time to get there.
BTW TII-aholic. Black on Black TII's roxxor!!! but then I'm a bit partial
I did 150 daily etc.... in my na etc....
BS..... That's turbo territory not NA.
Anyone with different tires(not rims but your tires matter...) don't even state your speeds unless you've been clocked at those numbers or know your adjustments to compensate over stock ratio's.
Any way. You should be able to remove that screw with no ill effect to your speedo. Your speedo is the same as our just with an extra screw in it and it's in kmh.
Hal. You may not be able to go over 120mph if your 5/6th ports are not fully functional.
I disconnected mine one time and it took forever to get near 120mph. If they don't fully open then your not getting your top end power.
120mph is really where the NA's stop climbing quickly. After that it's overdrive and up to distance/wind resitance/and slope.
The fastest I've gotten to is "AROUND" 135 in my 88 SE. It took a LONG time to get there.
BTW TII-aholic. Black on Black TII's roxxor!!!
but then I'm a bit partial
Rotary Enthusiast
Joined: Oct 2002
Posts: 1,165
Likes: 0
From: California, Bay Area
Originally Posted by skydivr73
If what you said here is true, perhaps you could explain why an airplane can hit a higher speed once it has burned off most of the fuel from its internal tanks....a military jet for instance....the only thing that changes as you burn off fuel is WEIGHT, and they have the same issue of aerodynamics to deal with....once they burn off half of the fuel, they have a higher top speed....just ask anyone who flies the planes in service today and you will see what I mean...
But you're right...this has nothing at all to do with it...and dont give us some **** about "it's a plane so its different..." Fact is, it isnt any different. Not when you look at it from a physics point of view. The one difference is that there is more resistance when dealing with a car, since it has contact with the ground as opposed to a plane, but that does not change the effect of weight
But you're right...this has nothing at all to do with it...and dont give us some **** about "it's a plane so its different..." Fact is, it isnt any different. Not when you look at it from a physics point of view. The one difference is that there is more resistance when dealing with a car, since it has contact with the ground as opposed to a plane, but that does not change the effect of weight
Bongolio
Joined: Nov 2004
Posts: 1,556
Likes: 1
From: visalia,california
Actually its not hard to go over 135 in a N/A. Mine has a 3.909 rear limited slip differential from the auto that used to be in the car. Coupled with severe weight reduction and some other stuff my speedo has hit 140 in fourth. Oh and thats with removed 5th and 6th port's. Seeing how fourth is 1.1 drive and the diff is 3.909 140 comes easly as 100.
When my s5 auto vert had an s4 NA engine in it I got it up to GPS read 120mph which is EXACTLY what my speedo was reading. I dunno about these guys saying the speedo is off at high speeds, what speeds are we talking about where the speedo becomes innacurate. 120mph and my speedo was dead on so I dunno.
This was done on my way to Rotary Resurrection to my full TII swap! Once the new engine is broken in I will find my new top speed.
Oh yeah, and it took FOREVER and a downhill slope for me to hit 120.
This was done on my way to Rotary Resurrection to my full TII swap!
Once the new engine is broken in I will find my new top speed.Oh yeah, and it took FOREVER and a downhill slope for me to hit 120.
Last edited by Juiceh; Dec 27, 2005 at 02:08 AM.
Junior Member
Joined: Nov 2005
Posts: 41
Likes: 0
From: Boston
ok guys, I have had 4 rx-7's now. 1 an 85 GS with a straight pipe in which i hit 140. An 89 GTU in which I hit 152 witha straight pipe, a bronze clutch and a HKS intake. a 91 Coupe in which I hit 148 with duals, HKS intake, bronze clutch and jacobs ignition box. And now a 91 coupe with true duals, ACT xtreme 6 puck clutch, jacobs FC1000 ignition, HKS intake and a lot of suspension and brake mods, I hit 155mph.
The only way to achived this is by redlining every gear. All this speeds where done in 4th gear at redline and in the 2nd gens at about 8200 RPM's and all with stock wheels.
Dom
The only way to achived this is by redlining every gear. All this speeds where done in 4th gear at redline and in the 2nd gens at about 8200 RPM's and all with stock wheels.
Dom
Originally Posted by RotativoFC3S
One more thing...They're all N/A
Oh yeah, and are these off the speedo speeds or GPS speeds?
Oh yeah and I dunno if my 5-6 ports were workin. But, from 100-120mph took seriously over 3 miles of constant flooring. Up to 110-115 wasn't too hard, but from 115-120 was sooo slow..
Last edited by Juiceh; Dec 27, 2005 at 02:32 AM.
JRLT'specs* White Comet
Joined: Apr 2004
Posts: 255
Likes: 0
From: Altamonte Springs, Orlando, Florida, Usa
I can do the 130+ on my 7 holding it 5th at 4.5krpm
Originally Posted by skydivr73
and that means something WHY??
Look--horsepower is only one part of it all....you are not taking into consideration all the rest--traction, gears, weight? I could put a ton of hp into a car but the gears, the suspension, there are a lot of things that affect top speed, not just horsepower. So let's get real here...If there are people on here who can bust 120 or 130 in an NA that isn't even putting 160 to the wheels, then how the hell do you expect us to believe that adding 200 HORSEPOWER would only allow you to get a little more top end?? What about the power curve? You could set up your car for more top end or for more low end....and what about the DRIVER??
Go get a clue
Look--horsepower is only one part of it all....you are not taking into consideration all the rest--traction, gears, weight? I could put a ton of hp into a car but the gears, the suspension, there are a lot of things that affect top speed, not just horsepower. So let's get real here...If there are people on here who can bust 120 or 130 in an NA that isn't even putting 160 to the wheels, then how the hell do you expect us to believe that adding 200 HORSEPOWER would only allow you to get a little more top end?? What about the power curve? You could set up your car for more top end or for more low end....and what about the DRIVER??
Go get a clue
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