Supercharged rx7?
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Supercharged rx7?
hey people to the rx7 forums... im a big fan of rx-7's so you might start seeing me here to gain some rotory peice of mind... ( dont worry i know how to use the search function) but any who... i have a problem... a kid at school with a 2nd gen rx7 says he S/C his engine.... i dont know too much about the rotory engines yet.. but im not sure if s/c is worth it... a turbo sounds more reasonable... i think this kid is bsing me... can anybody prove me wrong/right? i wanna find out tonight... but we will find out tomorrow for sure...
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this is a debate thats gonna go on forever.....anyway, I am starting a project right now to s/c mine.....and yes, I am keeping the fuel injection. You dont have to go with a carb....well, if you go with Atkins Rotary, you do, because their FI model will not be available for at least six months......anyway, I am going to cheat a bit--I am using the s/c from a Thunderbird SC. If you go this way, you will have to have some parts custom made like mounting brackets, but in the end I should be in it for less than the $2K plus it can take for one of these kits.....
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this topic has been done before? if it has you mods can delete it and ill go search...
but your saying a custom kit should be around 2k? he said it was custom also... what kinda gains are you expecting out of this?
but your saying a custom kit should be around 2k? he said it was custom also... what kinda gains are you expecting out of this?
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MariahMotorsports bought the rights to the Nelson/Paxton Kit, and it isn't being produced.
Atkins sells the Camden Kit.
Look under the kids hood. If you see a large mirror-polished object... that's a supercharger.
They make a turbo version of our cars... why put a supercharger on one?
Atkins sells the Camden Kit.
Look under the kids hood. If you see a large mirror-polished object... that's a supercharger.
They make a turbo version of our cars... why put a supercharger on one?
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Originally posted by Panda_240sx
this topic has been done before? if it has you mods can delete it and ill go search...
but your saying a custom kit should be around 2k? he said it was custom also... what kinda gains are you expecting out of this?
this topic has been done before? if it has you mods can delete it and ill go search...
but your saying a custom kit should be around 2k? he said it was custom also... what kinda gains are you expecting out of this?
A supercharger will definitely add to the power of a rotary engine. The main advantage of an engine-driven supercharger is that it doesn't require expensive and time-consuming exhaust modifications like a turbocharger. The engine-driven supercharger has the reputation of producing boost "instantly", which is not true, and the invention of ballbearing turbos, divided turbo manifolds, and sequential turbos has made the low-rpm boost characteristics of the engine-driven supercharger nearly insignificant. The turbocharger is usually preferred because it is more efficient, which means that it will produce the same boost but with less heat, which means more power. Also, rotary engines make their best power at higher rpm's, which makes them well suited to the turbocharger. Additionally, the turbocharger is much quieter because the turbine soaks up a lot of the noise like a pre-silencer, while an engine-driven supercharger will require additional restrictive mufflers to maintain the same noise level. Some people like the engine-driven supercharger better because it is noisier, lol.
See here for a recent FC supercharged project:
http://www.geocities.com/boatseason/
This is a great site if you like superchargers:
http://www.superchargersonline.com/index.asp
I highly recommend Corky Bell's Supercharged! book:
http://www.amazon.com/exec/obidos/tg...l/-/0837601681
BTW, "custom" can mean junkyard parts, new parts, or a combination of the two. You usually get what you pay for.
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you guys are pretty cool.... and about the post deleting thing.... ever since 240's been on the cover of super rice... i mean.. street.. super street... we get so many new people on the forums we see the same questions 7 times a day.. roughly... and the mods just lock the post or delete them.... i just didnt wanna get flamed on my first post....
yeah.. thanks for the info on the rotory S/C... ill let you guys know if he was bsing me or not.. ( if you still care)
btw iv got Corky Bell's maximum boost... and i think ill check out Corky Bell's Supercharged.... very good info.. great book...
thanks again guys... you were really helpfull..
yeah.. thanks for the info on the rotory S/C... ill let you guys know if he was bsing me or not.. ( if you still care)
btw iv got Corky Bell's maximum boost... and i think ill check out Corky Bell's Supercharged.... very good info.. great book...
thanks again guys... you were really helpfull..
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you guys are pretty cool.... and about the post deleting thing.... ever since 240's been on the cover of super rice... i mean.. street.. super street... we get so many new people on the forums we see the same questions 7 times a day.. roughly... and the mods just lock the post or delete them.... i just didnt wanna get flamed on my first post....
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Originally posted by Panda_240sx
btw iv got Corky Bell's maximum boost... and i think ill check out Corky Bell's Supercharged.... very good info.. great book...
btw iv got Corky Bell's maximum boost... and i think ill check out Corky Bell's Supercharged.... very good info.. great book...
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Originally posted by Evil Aviator
The Supercharged book has some of the same information as the Maximum Bost book, but it covers the different types of superchargers very well. Some of the information is also updated, such as compressor charts in lbs/min rather than in cfm, and he doesn't even bother with carburetors because he feels that fuel injection is so much superior. Overall, it's a better book than Maximum Boost, and I think it's valuable even for those who like turbochargers better.
The Supercharged book has some of the same information as the Maximum Bost book, but it covers the different types of superchargers very well. Some of the information is also updated, such as compressor charts in lbs/min rather than in cfm, and he doesn't even bother with carburetors because he feels that fuel injection is so much superior. Overall, it's a better book than Maximum Boost, and I think it's valuable even for those who like turbochargers better.
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