89-90 na rx-7 dyno numbers?
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The S4 was 140 bhp, so figure about 110-115 whp brand new. Now a days you should see just over a 100. Most of what I've seen intake and exhaust will net you about 130-145whp. With a way to control fuel and other supporting mods I've seen high 160's. Most I've ever seen on stock ports was 200 and that was with a standalone and custom intake manifold.
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Series 5 Engines should dyno around 130-140rwhp. They are rated at 160bhp. If your engine still has excellent compression, expect above 135. This is stock everything as well.
Opening up the exhaust and installing a proper intake will yeild over 150. Installing and tuning a SAFC or Rtek 2.0 will yeild over 165 with proper tfuel and timing tuning. This is assuming you have good compression, 95+ PSI and that everything else is in good working order. One guy made 163 with just SAFC, some type of exhaust and intake.
On a Series 4? Doubt it. Install a Rtek 2.0 for fuel and ignition timing control, S5 Intake manifold, tuned exhaust and high flow intake and you might get up there if you have good compression.
Opening up the exhaust and installing a proper intake will yeild over 150. Installing and tuning a SAFC or Rtek 2.0 will yeild over 165 with proper tfuel and timing tuning. This is assuming you have good compression, 95+ PSI and that everything else is in good working order. One guy made 163 with just SAFC, some type of exhaust and intake.
Originally Posted by TehMonkey
Maybe up to 172 whp?
Last edited by RotaMan99; 09-29-07 at 07:03 AM.
#9
I am running a S4 FI and Computer with S5 Rotors, street port and RB Street headers with RB cat back and straight pipe through the cat. I dynoed 160hp. On that config I ran a 15.6 1/4.
I have since replaced the RB cat back and cat with a straight 2.5" exhaust. I have not dynoed since but my 1/4 mile time now is 15.1. Although I have also removed about 200lbs from the car.
Rebuilt engine has ~30k miles. Chassis has ~309k miles.
I have since replaced the RB cat back and cat with a straight 2.5" exhaust. I have not dynoed since but my 1/4 mile time now is 15.1. Although I have also removed about 200lbs from the car.
Rebuilt engine has ~30k miles. Chassis has ~309k miles.
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oh sorryyy even 130-140 would be on a excellent day. why dont you actually go and dyno something before you come here trying to feed people bullshit. its people like you on here why there are so many piece of **** rx7s out there cuz all you do is feed people bullshit. dont answer if you DONT KNOW
#14
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top speed doesnt mean you have all the horsepower you should. probly took a mile to get there too maybe more.......
The numbers posted are probably right. If you have a P.O.S. RX-7 they're obviously less. But both stock RX-7's I've owned still managed their factory rated top speed.[/QUOTE]
The numbers posted are probably right. If you have a P.O.S. RX-7 they're obviously less. But both stock RX-7's I've owned still managed their factory rated top speed.[/QUOTE]
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I am going to a local shop to dyno my car in the very near future. I am hoping for a mid 160 hp level, then I will be getting a 75-125 wet shot of nitrous and am going to go back and dyno again. Should be fun. My engine has about 85,000 on it and has been rebuilt, but I haven't had it compression tested. Mods are in the sig.
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oh sorryyy even 130-140 would be on a excellent day. why dont you actually go and dyno something before you come here trying to feed people bullshit. its people like you on here why there are so many piece of **** rx7s out there cuz all you do is feed people bullshit. dont answer if you DONT KNOW
People dyno stock S4 all the time and come up with around 110-115. S5 have 20hp more then S4s. Why do you think they will dyno the same as a S4? I have seen people dyno S5 and get between 125-135. I have seen a few all stock hit 138
If your engine is not running right, ofcourse its not going to get good numbers.
I would like to know why you are putting me in the category with people that don't know ****? You say you are going to be running a wet shot, read the thread about the nitrous build, interesting to know why wet is not that great.
Last edited by RotaMan99; 09-29-07 at 04:44 PM.
#17
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I never said that s4 and s5 would be the same. I thought we were talking about s5 DIDNT YOU?? Any maybe you should reread a little because i would never put NOS on my car....
I havn't seen any answers from you so far. Just a bunch of bulshit words that mean nothing.
People dyno stock S4 all the time and come up with around 110-115. S5 have 20hp more then S4s. Why do you think they will dyno the same as a S4? I have seen people dyno S5 and get between 125-135. I have seen a few all stock hit 138
If your engine is not running right, ofcourse its not going to get good numbers.
I would like to know why you are putting me in the category with people that don't know ****? You say you are going to be running a wet shot, read the thread about the nitrous build, interesting to know why wet is not that great.
People dyno stock S4 all the time and come up with around 110-115. S5 have 20hp more then S4s. Why do you think they will dyno the same as a S4? I have seen people dyno S5 and get between 125-135. I have seen a few all stock hit 138
If your engine is not running right, ofcourse its not going to get good numbers.
I would like to know why you are putting me in the category with people that don't know ****? You say you are going to be running a wet shot, read the thread about the nitrous build, interesting to know why wet is not that great.
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wow siguy way to judge people so quickly. I dont know how this little feud started but its not needed. Im guess neither of you have dynoed a stock s5 so lets leave this to people who have. both of you have given your estimates. My guess is somewhere around 100 give or take a few, its a 18year old car i would give higher numbers depending if the motor has been rebuilt
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I never said that s4 and s5 would be the same. I thought we were talking about s5 DIDNT YOU??
Any maybe you should reread a little because i would never put NOS on my car....
Originally Posted by PhantomKid
My guess is somewhere around 100 give or take a few, its a 18year old car i would give higher numbers depending if the motor has been rebuilt
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Oh, and geeze, do you even read what you read? I said that I got up to top speed really quickly; needed to because there's traffic and I don't weave. In fact I was still accelerating slowly past "top speed" but I needed to stop because I hit traffic after a few seconds.
Not to say that there aren't a lot of P.O.S. RX-7's out there. I'm just saying it's easy enough to get a good one and the claims that other people posted are quite plausible.
Last edited by ericgrau; 10-07-07 at 03:21 PM.
#21
Bongolio
Ive seen dyno's as low as 80rwhp and as high as 130rwhp.
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I knw wht u did last sumr
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I am running a S4 FI and Computer with S5 Rotors, street port and RB Street headers with RB cat back and straight pipe through the cat. I dynoed 160hp. On that config I ran a 15.6 1/4.
I have since replaced the RB cat back and cat with a straight 2.5" exhaust. I have not dynoed since but my 1/4 mile time now is 15.1. Although I have also removed about 200lbs from the car.
Rebuilt engine has ~30k miles. Chassis has ~309k miles.
I have since replaced the RB cat back and cat with a straight 2.5" exhaust. I have not dynoed since but my 1/4 mile time now is 15.1. Although I have also removed about 200lbs from the car.
Rebuilt engine has ~30k miles. Chassis has ~309k miles.
What computer are you using???
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oh sorryyy even 130-140 would be on a excellent day. why dont you actually go and dyno something before you come here trying to feed people bullshit. its people like you on here why there are so many piece of **** rx7s out there cuz all you do is feed people bullshit. dont answer if you DONT KNOW