Pulleys i hear 8-10hp gain true or false
08-21-2007, 07:46 PM
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hmm thats very surprising. any video of that?
on a type-s, a thicker intake manifold gasket net's 1-2whp proven on a dyno. but never once does anyone say it will pull on one stock type-s or another. hence why i dont have it in my list as a mod added.
i would think 1-3hp is equivalent to a 100lbs or less passenger which would do little to nothing. in fact, adding a cold air intake to a type-s nets 7-8whp and again, the pull between a stock and a type-s with a cold air intake is negligible. fender length at best maybe? but not half a car.
but if there's video proof of a pulley doing that, im willing to see and be proven otherwise.
on a type-s, a thicker intake manifold gasket net's 1-2whp proven on a dyno. but never once does anyone say it will pull on one stock type-s or another. hence why i dont have it in my list as a mod added.
i would think 1-3hp is equivalent to a 100lbs or less passenger which would do little to nothing. in fact, adding a cold air intake to a type-s nets 7-8whp and again, the pull between a stock and a type-s with a cold air intake is negligible. fender length at best maybe? but not half a car.
but if there's video proof of a pulley doing that, im willing to see and be proven otherwise.
08-21-2007, 07:46 PM
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08-21-2007, 07:52 PM
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But he doesnt claim to drive an RX8..
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apples
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a total waste of money, 1-2hp is not worth a penny. you wont see a difference in any dyno. take 2 identical cars, one with pulleys and one with none, neither will pull on the other. temperatures, a big dinner, or even tire pressures have more affect then pulleys.
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apples
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a total waste of money, 1-2hp is not worth a penny. you wont see a difference in any dyno. take 2 identical cars, one with pulleys and one with none, neither will pull on the other. temperatures, a big dinner, or even tire pressures have more affect then pulleys.
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08-21-2007, 10:22 PM
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Which is interesting because If I understand it right you basically have a custom intake, custom exhaust, custom header, an actual racing pulley and a tune for your power mods.
08-21-2007, 11:07 PM
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haha oops, forgot to say rsx type-s, didn't mean rx-8 type-s lmao. sorry bout that. but anyway 1-2whp should be the same to each car. i just used my own car as a comparison. i didn't compare rsx to rx-8, i just talked about what i knew for sure personally. an rsx-s with +1-2whp doesn't pull on a stock one.
so from pure deduction i would also assume that an rx-8 with +1-2whp wouldn't pull on a stock rx-8 either.
but again, my opinion is by no means solid since im somewhat expecting to be proven wrong.
so from pure deduction i would also assume that an rx-8 with +1-2whp wouldn't pull on a stock rx-8 either.
but again, my opinion is by no means solid since im somewhat expecting to be proven wrong.
Last edited by apples; 08-21-2007 at 11:10 PM.
08-21-2007, 11:31 PM
#35
Destroying Threads
I'm in a grumpy mood, no offence to anyone or anything but rsx type S sucks........
did I **** u off? lol
nah actually its a great car and all, I sold mine for 12k, it was fully modded, but I thought it over and my AT rx8 was a better option than it, for one thing at least I can use it for stuff and don't have to re adjust my seat everytime someone wants to climb in the back, and I slid off at 40mph......its just retarded, and I had a damn turbo
did I **** u off? lol
nah actually its a great car and all, I sold mine for 12k, it was fully modded, but I thought it over and my AT rx8 was a better option than it, for one thing at least I can use it for stuff and don't have to re adjust my seat everytime someone wants to climb in the back, and I slid off at 40mph......its just retarded, and I had a damn turbo
08-21-2007, 11:43 PM
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I was one of the first with a pulley system. There is an old dyno on here and it showed about a 1-2 hp gain with the SR Motorsport set. I have since taken those off & replaced them with an AP unit. It does give about a 2 hp increase. But for a little over a $100 & it's only one unit making it easy to install I figured why not.
08-22-2007, 12:02 AM
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08-22-2007, 12:25 AM
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the "interesting" part, is the assumptions made, about the mods you mentioned he has
i havent paid particular attention to Team's threads, but he hasnt ever given me the impression that he has found any "holy grail" of mods****, or any magic combination of bolt ons....
**** except for possibly the Reflash courtesy of Cobb
but thats a holy grail for a different reason which Team has no roots in, FI
Last edited by paulmasoner; 08-22-2007 at 12:30 AM.
08-22-2007, 12:39 AM
#42
The Professor
lightweight wheels or a flywheel wont dyno much different either, it doesnt mean they dont necessarily do anything.
Just like the man said, on a dyno a 3000 pound car and a 2200 pound car wont dyno any different if they have the exact same engine, but it doesnt mean that they wont accelerate faster.
Just like the man said, on a dyno a 3000 pound car and a 2200 pound car wont dyno any different if they have the exact same engine, but it doesnt mean that they wont accelerate faster.
08-22-2007, 02:56 AM
#43
A chassis dynomometer will not register a 1-2 HP gain. Its deviation is around 3%, which is about 6 HP for an RX-8. Any gain that falls below that cannot be effectively measured on a Dynojet or something similar.
Pulleys do nothing for the 8 but bring bling. The only "test" was a completely data-free drag run by a forum member. Even the race fell into the statistical error.
If you ever feel like installing a hydraulic power steering system, then you might want to think about an underdrive set.
Pulleys do nothing for the 8 but bring bling. The only "test" was a completely data-free drag run by a forum member. Even the race fell into the statistical error.
If you ever feel like installing a hydraulic power steering system, then you might want to think about an underdrive set.
08-22-2007, 07:17 AM
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A chassis dynomometer will not register a 1-2 HP gain. Its deviation is around 3%, which is about 6 HP for an RX-8. Any gain that falls below that cannot be effectively measured on a Dynojet or something similar.
Pulleys do nothing for the 8 but bring bling. The only "test" was a completely data-free drag run by a forum member. Even the race fell into the statistical error.
If you ever feel like installing a hydraulic power steering system, then you might want to think about an underdrive set.
Pulleys do nothing for the 8 but bring bling. The only "test" was a completely data-free drag run by a forum member. Even the race fell into the statistical error.
If you ever feel like installing a hydraulic power steering system, then you might want to think about an underdrive set.
08-22-2007, 10:45 AM
#45
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I'm in a grumpy mood, no offence to anyone or anything but rsx type S sucks........
did I **** u off? lol
nah actually its a great car and all, I sold mine for 12k, it was fully modded, but I thought it over and my AT rx8 was a better option than it, for one thing at least I can use it for stuff and don't have to re adjust my seat everytime someone wants to climb in the back, and I slid off at 40mph......its just retarded, and I had a damn turbo
did I **** u off? lol
nah actually its a great car and all, I sold mine for 12k, it was fully modded, but I thought it over and my AT rx8 was a better option than it, for one thing at least I can use it for stuff and don't have to re adjust my seat everytime someone wants to climb in the back, and I slid off at 40mph......its just retarded, and I had a damn turbo
theres no way you can hold more stuff in a trunk space, when i can fold down my rear seats, in fact one of the biggest reasons i got the rsx type-s over a wrx was that feature alone, to carry hella stuff since it was a hatchback.
08-22-2007, 12:00 PM
#46
Maybe I misunderstood your reply, but every part made for the RX-8 starts off as a custom piece, the difference is whether or not they get produced for resale. I've never made any strong claim on how much any one mod contributed to *my* current output.
My *custom* intake is just a filter on a stick, my *custom* header is nothing more than a collector manifold, my *custom* exhaust is just a 3" pipe with high flow cat that splits into a pair of 2" outlets with short Supertrapp mufflers. My pulley set would only be considered a *race* set in that it deletes the AC drive pulley, which you can likely do with most of the street sets or even the OE pulleys. Even the PCM software upgrade, which seems to make a strong difference on a bone stock car, does not contribute any large gain to my particular setup.
The interesting part for me is the several people who get kudos for talking a bunch of hyped up theoretical textbook generalities without having ever produced any significant results. I've seen proven results that go against a lot of common thinking here.
My *custom* intake is just a filter on a stick, my *custom* header is nothing more than a collector manifold, my *custom* exhaust is just a 3" pipe with high flow cat that splits into a pair of 2" outlets with short Supertrapp mufflers. My pulley set would only be considered a *race* set in that it deletes the AC drive pulley, which you can likely do with most of the street sets or even the OE pulleys. Even the PCM software upgrade, which seems to make a strong difference on a bone stock car, does not contribute any large gain to my particular setup.
The interesting part for me is the several people who get kudos for talking a bunch of hyped up theoretical textbook generalities without having ever produced any significant results. I've seen proven results that go against a lot of common thinking here.
08-22-2007, 05:01 PM
#47
If he carried out the test as he stated - there is a very high probability that his result was accurate . Then it comes down to - was he just bullshitting about the whole thing ? I didn't think so at the time .
08-22-2007, 05:06 PM
#48
The Professor
Maybe I misunderstood your reply, but every part made for the RX-8 starts off as a custom piece, the difference is whether or not they get produced for resale. I've never made any strong claim on how much any one mod contributed to *my* current output.
My *custom* intake is just a filter on a stick, my *custom* header is nothing more than a collector manifold, my *custom* exhaust is just a 3" pipe with high flow cat that splits into a pair of 2" outlets with short Supertrapp mufflers. My pulley set would only be considered a *race* set in that it deletes the AC drive pulley, which you can likely do with most of the street sets or even the OE pulleys. Even the PCM software upgrade, which seems to make a strong difference on a bone stock car, does not contribute any large gain to my particular setup.
The interesting part for me is the several people who get kudos for talking a bunch of hyped up theoretical textbook generalities without having ever produced any significant results. I've seen proven results that go against a lot of common thinking here.
My *custom* intake is just a filter on a stick, my *custom* header is nothing more than a collector manifold, my *custom* exhaust is just a 3" pipe with high flow cat that splits into a pair of 2" outlets with short Supertrapp mufflers. My pulley set would only be considered a *race* set in that it deletes the AC drive pulley, which you can likely do with most of the street sets or even the OE pulleys. Even the PCM software upgrade, which seems to make a strong difference on a bone stock car, does not contribute any large gain to my particular setup.
The interesting part for me is the several people who get kudos for talking a bunch of hyped up theoretical textbook generalities without having ever produced any significant results. I've seen proven results that go against a lot of common thinking here.
08-22-2007, 05:45 PM
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Maybe I misunderstood your reply, but every part made for the RX-8 starts off as a custom piece, the difference is whether or not they get produced for resale. I've never made any strong claim on how much any one mod contributed to *my* current output.
My *custom* intake is just a filter on a stick, my *custom* header is nothing more than a collector manifold, my *custom* exhaust is just a 3" pipe with high flow cat that splits into a pair of 2" outlets with short Supertrapp mufflers. My pulley set would only be considered a *race* set in that it deletes the AC drive pulley, which you can likely do with most of the street sets or even the OE pulleys. Even the PCM software upgrade, which seems to make a strong difference on a bone stock car, does not contribute any large gain to my particular setup.
The interesting part for me is the several people who get kudos for talking a bunch of hyped up theoretical textbook generalities without having ever produced any significant results. I've seen proven results that go against a lot of common thinking here.
My *custom* intake is just a filter on a stick, my *custom* header is nothing more than a collector manifold, my *custom* exhaust is just a 3" pipe with high flow cat that splits into a pair of 2" outlets with short Supertrapp mufflers. My pulley set would only be considered a *race* set in that it deletes the AC drive pulley, which you can likely do with most of the street sets or even the OE pulleys. Even the PCM software upgrade, which seems to make a strong difference on a bone stock car, does not contribute any large gain to my particular setup.
The interesting part for me is the several people who get kudos for talking a bunch of hyped up theoretical textbook generalities without having ever produced any significant results. I've seen proven results that go against a lot of common thinking here.
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