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K20 w/ Supercharger

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Old Jul 15, 2005
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K20 w/ Supercharger

Would a k20 with a Jackson racing SC fit in our engine bays...?

I'm a fan of SC's... no turbo lag, no spooling up, etc. But there are no SC's for the D17, so then I was thinking... Jackson makes them for the k20, and there are k20 swaps for the 7thgen.

So, the question again: Would that fit in our cars? Because that would be a pretty frickin' cool thing to see, albiet incredibly expensive... Powerful too.

Just wondering your thoughts on it.
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Old Jul 15, 2005
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that would be pretty cool to see. i dont know if it can be done, but a good idea still
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Old Jul 15, 2005
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i dont think a supercharger whould fit on a K20-EM2 swap. there just isnt enough space.
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Old Jul 15, 2005
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how much bigger is the 02-05 si engine bay then ours? it gets pretty cramped in there when you put in the JRSC
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Old Jul 15, 2005
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I think it might fit, guess we'll just have to wait and see when someone does it.
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Old Jul 15, 2005
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02-05 si SC is the same as the RSX-S one... but it's turned differently to fit inside the bay of the SI

i *plan* to do this, but **** keeps happening. 3k for charger, would need a clutch probably not too far down the line, plus my tires are shot, this gets expensive. and i don't have to add in swap costs even...
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Old Jul 15, 2005
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I know supercharger is better then what i am about to say but what about a 75 shot on the k20a2 with i/h/e. Plenty of people run 13's with that setup. I do know of someone who ran a 100 shot with mods on his rsx-s and with slicks ran a 12.1. So far no engine problems. Plus with the comptech stg1 kit u will get like a lil over 230 maybe (what a guy on clubrsx got) which is imo a waste of money because i/h/e and 75 with tuning should get u around that also. Now if u went with the jackson race kit or comptech race kit and which i think those kits boost around 9-12????? That would make sense. Plus when u do get bored of the sc then u can get ips fi cams and do some more internals and maybe a lil 50 or 75 shot. But if i were u i would go for it. No one has done it yet on a 7thgen so u would be the first.
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Old Jul 15, 2005
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Originally Posted by allmotor
I know supercharger is better then what i am about to say but what about a 75 shot on the k20a2 with i/h/e. Plenty of people run 13's with that setup. I do know of someone who ran a 100 shot with mods on his rsx-s and with slicks ran a 12.1. So far no engine problems. Plus with the comptech stg1 kit u will get like a lil over 230 maybe (what a guy on clubrsx got) which is imo a waste of money because i/h/e and 75 with tuning should get u around that also. Now if u went with the jackson race kit or comptech race kit and which i think those kits boost around 9-12????? That would make sense. Plus when u do get bored of the sc then u can get ips fi cams and do some more internals and maybe a lil 50 or 75 shot. But if i were u i would go for it. No one has done it yet on a 7thgen so u would be the first.
Did the guy with the 100 shot blow his engine?
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Old Jul 15, 2005
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nope. From what i read he now built a k20a2 and now is turbo and nitrous.
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Old Jul 16, 2005
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Originally Posted by allmotor
nope. From what i read he now built a k20a2 and now is turbo and nitrous.


One fast car. I was actually asking to see if the SC would FIT in the engine bay with the k20....

I'm looking for a way to SC a 7thgen...
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Old Jul 16, 2005
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my bad i got a lil carried away lol
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Old Jul 16, 2005
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jacksons k20xx SC is 5psi. race or street. they sell a 7psi kit w/ injectors though. and bigger injectors can allow you to run a 9psi pulley. the SC won't put out more than 11-12psi, as people are finding out, if you run massive injectors and k-pro on a small crank pulley

comptech is NOT going to fit in a 7thgen w/out mucho work, they don't have one for the ep3 that i've seen.
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Old Jul 16, 2005
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so u want to know if a SC will fit on a k20 swapped civic?
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Old Jul 16, 2005
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Originally Posted by C2i0v0i1C
so u want to know if a SC will fit on a k20 swapped civic?
YES. Just out of pure, morbid curiosity...
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Old Jul 17, 2005
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simple answer: yes. according to hasport, not just me
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Old Jul 18, 2005
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Originally Posted by EM2typeflex
I think it might fit, guess we'll just have to wait and see when someone does it.

i know someone that is in the process of it right now
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Old Jul 18, 2005
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Well whenever, whoever comes out with that swap, will finally answer everyones question. Right?
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Old Jul 18, 2005
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Originally Posted by EM2typeflex
Well whenever, whoever comes out with that swap, will finally answer everyones question. Right?
til it gets asked again a week later
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Old Jul 18, 2005
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^^So true
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Old Jul 20, 2005
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if you get a si one it should and will fit... remember anything will fit with enough money... i have learn that the hard way...lol... never think anything is impossible....

but remember with a supercharger, it take hp to make hp... so a supercharged k20 will never be as fast as a turboed k20
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Old Jul 20, 2005
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at 5-7psi, SC and turbo have about the same output, depending on tune and your I/H/E on the SC. and a lot fewer problems, from what i see
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Old Jul 20, 2005
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Originally Posted by HondaLuver
but remember with a supercharger, it take hp to make hp... so a supercharged k20 will never be as fast as a turboed k20
This is true, but you don't have to worry about turbo lag or spooling up a large turbo with a belt driven SC.

SC's are power adders, but they are really much better for a daily driver than a turbo. Turbos are better at the strip/track than SC.

It's all give & take, really....
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Old Aug 3, 2005
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I was under the impression that the compression in k20's was too high for much FI...someone correct me if I'm wrong.
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Old Aug 3, 2005
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k20a2 turboed, tuned with exhaust, at high boost on stock internals/compression= 324whp
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Old Aug 3, 2005
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he or her thats too much irony for me to handle!!!!!!!!!!!!!!!!!
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Old Aug 3, 2005
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Originally Posted by jackburton
k20a2 turboed, tuned with exhaust, at high boost on stock internals/compression= 324whp

...NICE!
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Old Aug 3, 2005
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The Answer: Hasport's Monster Hybrid

Coincidentally, just tonight I was reading in Super Street, August issue, about Brian Gillespie's latest creation -- a K24 - K20A2 hybrid swap into a CRX with jackson racing supercharger which produces 243.7 hp and 213.6 lb-ft. Brian (who I think has posted in this forum) says he can easily up those figures with more tuning. Two Japanese pro-drivers tested and were amazed at how quick and fun the light weight vehicle drove, almost scary. I'm a noob but if a bigger block K24 with supercharger can be shoehorned into a CRX, wouldn't a K20 fit in our 7thgen bays? Opps, just recalled Brian had to cut a huge hole in the CRX hood for the SC to fit; it kinda looks wierd sticking out of the hood. Oh well, just thought you'd all be interested in this article.
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Old Aug 4, 2005
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it should fit, the si one... all it does is replaces the intake manifold
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Old Aug 8, 2005
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Drivetofast is going to be putting a SC into his k20 swap soon.
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Old Aug 8, 2005
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^^ and he's going to put AC in my car soon also... hehe
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