This question may or may not have been answered already but i am looking for purely unbias information which may be impossible to get. Which is better for an all motor road racing car? I want to hear purely factual information please.no flaming.

 

Perhaps a little more detail about the demands you're putting on the car...

What chassis are you putting the engine into?

What are the demands of the road racing you're considering? (torque, RPM, both?)

Is budget an issue? Tho I've no personal experience, it sounds like putting a K into a DC2 (for example) is spendy. If you took that $$ and put it into a GSR you'd have a pretty quick car that should outperform a stock K handily.. (opinion here).

Looking forward to hearing more.

Mark

 

Bro... There are plenty of other swaps out there you'd be happy with..

I suggest you buy a F23a long block and remove the balence shafts, a "QSD" (not evo)
H2B kit and a gsr transmission any b-series *vtec* trans.

For more info check out the "HYBRID" section.

 

Its most likely going in a dc2. Im looking for around 300- 350hp but i want as much torque as possible while still maintaining stick displacement. Price also will be taken into account, im not looking to spend more then 5000.00 so the cheaper the better.However i realize in order to get performance and reliability you gotta pay to play. As for the f23 swap could you elaborate alittle more i havent heard that much about the f23 as far as performance and reliability. And im looking for 9k rpms.

 

Just seen the check out the hybrid section.... so will do!

 

lol torque if you want that please step away from honda engines

 

300-350 na whp is not happening for $5k. If those are your budget and goals then go turbo-LS.

 

Unrealistic. You can get that power range with a frankenstein swap in k series.

2.4-2.5L vtec. get a k24 block, bore to 2.5 if you want, put a head on it, spend a shitload (2-4k+)on headwork, spend 1-2K on getting the block bored and putting good pistons in it. Add a shitload more (3k) to fab the swap it, wiring harness, mounts, then some more money on bolt ons, and hooray, you have a totally unrealistic 320whp all motor k25 vtec WOOT

Boost an LS motor or swap in a c5. GG

 

@Wrona - well i have seen some honda motors make good torque

 

@Gagnar- I want to stay away from boost and ls altogether lol. But what kind of cash are we talking here?

 

@ seb- I was considering the k24 route. I guess im gonna lower my goals alittle for now then. maybe 240hp is more realistic with the k24 swap and im gonna up my budget to about 8k. Can it be done or am i still dreaming. I hear that the 2005 and up tsx motors came with about 220 or somewhere around there but thats just **** talking with some buddies of mine. thanks for the info again.

 

I think you can do 240hp for 8k but I don't know much about K swaps. I *thin of about 6k for the swap and that would leave 2k for engine work which I think would get you to 240 on a K. But those #s could be way off. Make sure you do your research and plan correctly.

300-350 is a different story. It's possible on a K but it requires a very dedicated build. On a 2.5L 300 whp is about 350 flywheel hp, or about 140 hp/L! That is not trivial to achieve.

K swaps can never be considered cost-effective but for a person committed to an all-motor build it's cheaper than a B-series when the hp goal goes beyond a certain point. Of course 8k invested in a turbo could get you 500+ hp, but I understand the desire to stay natural.

 

have you ever driven a 300+whp 200+wtq fwd car? good luck finding traction.

even k20's in a light chassis like an eg/ek or dc2 is plenty. my k20z1 is making 211whp 155tq with bolt on's and a tune. with a better header and nice set of cams 220+ is easy and plenty for a street car imo.

 

x2

 

Hmmmm this is giving me some ideas. I have some kswap parts already like dss lvl 2.9 axles and a hybrid conversion harness but i may just sell these to build a b series. I would def be better off it sounds like for feasibility. @ oh snap are you satisfied with your acceleration with the z1 and what do you use your car for if you dont mind me asking?

 

I'm guessing that was directed to me?

Anyway I have an rsx and it's my daily so it's considerably heavier than an eg or dc2. But it still pulls hard all the way to 8600. If this was in a lighter chassis it would be a lot funner I would imagine.

 

Well it was directed @ohsnap but thanks for the input.

 

My stock k20z3 integra db8 has out run a couple h2b swap but they are some out there that have head work running 11's..... Sorry dude money wise it all comes out to the same. Dont let people fool u about it more expensize for a k swap.... My complete k swap with mounts,header,wirings, & kpro ran me a little over 5K. I did all the work myself so that save me alot of money. Consider complete b18c5 still goes for 3500+ and h22 swap with h2b adapter mounts adaptor ecu wiring 3500+ give or take a little. At the end K-swap NA will make u grin ear to ear. go to youtube and type in "stock k20a hatch or stock k20z3 Integra" u will see i what i mean.

 

if you have the money to go K series i would go for that. Motors make good power. Bottom ends are extremely durable. Only thing you have to be cautious with is the tranny because those synchros are super fragile.

 

i wouldnt say they're super fragile but they do tend to go out. im at 123k miles and second just recently disappeared on me.

 

Wow.. How smooth do the k trans shift? like a fresh butter gsr? or grinding b16 haha

 

 

^ very nice

 

If money isn't a concern, there is no question that a K series is far better than a B series. For one, K series engines have between 2.0-2.4L displacement compared to the biggest B series at 2.0L. As the successor to the B series, it should be, and is, better in almost every way.

 

K SERIES > B SERIES