Mugen Power

how long will a K last at high rpm at Mosport? K20's were experiencing catastrophic oil pump failure during prolonged rpm between or above 8500-9000rpm during circuit events. i actually read this somewhere in regards to the Realtime racing team. that is part of the reason that they promptly switched most of their cars over to TSX's. less rpm, less internal stress, much broader powerband. very simple. at the circuit rack..everything experiences problems...b16's, 18's 20's, K's..built or not. my boy has a fully built lsv, hits 9K all day and has a C1 crank girdle, mains and pan. build it right and call it a day. cheap out and you experience problems. but, i must say that its all relative. alot of people don't check fluid levels, valve lash etc. regularly. then, they pay their $300 and jump on the track relentlessly. from what i know, unless your hitting Nascar like banks at high speeds, oil starvation shouldn't be a problem for our motors, so Mosport is no worry for me. K is the future, but, we are in the present. i'm b for a while. if i had $8K to work with, my B would make 400whp daily.plus i'd still have enough paper to make the chassis brake on a dime, rock the stickiest shoes, full suspension., seats, harness', etc. K is expensive, and for me..there are way too many alternatives (B series) for me to move on and make what...210whp K'd up? no thanks...

bbarbulo

iTrader: (2)

ummm don't sweat it, ppl talkin isht about B's are just jockin the honda-tech lifestyle. they don't really know what's good. B's have been the performance sport compact standard for 15+ years now... it's proven performance and reliability - the equivalent of the small block chevy for overhead cam engines.

Mugen Power

thank you, Sir. people don't know how much is really being spent on K's. its extraordinary. i don't fear K20'd DC2's and i'm only at 1820cc, 87.2mm. if i had 2L and my old 4.785 f.d. kit back, i'd actually laugh at them. until i see K20's making a REAL 230+whp on a dynojet (not a pack), daily driven on 11.5/1 c.r. or less without aftermarket cams, i'm not impressed at all. i mean, K's already have the unfair advantage of terms of technology. but, from what i see, K's aren't that much more powerful in 2L form.

imported_SaYjAiBaO

get your facts straight. the main reason why realtime went with tsxs is due to their double wishbone setup which is superior to the front macphearson suspension of the rsx. there is just more potential in the double wishbone suspension. k20s only suffer oil pump failures when people start revving them up to 9-10k on a stock block. less revs doesn't mean less internal stress. you build motors, you should know right? the k24 has a much longer stroke which gives it a 1.54 rod/stroke ratio. (same as a crvtec or lsvtec) but the super long stroke means at the same given rpm of a k20 the pistons will be moving at a MUCH higher speed. you can only go so high in fps before **** starts breaking. a k24 spinning at 8k is like a k20 spinning at 9+.

you can do a lsvtec setup for 2500 given that you do everything yourself. a k20 swap can run half of what people pay shops to do if you do all the work. your telling me for 6k you won't swap in a k20? on a circuit, if both a k20 and a b were making 220 to the wheels the k20 would be faster. why? it's not about the peak numbers that the b can match, it's the midrange of the k series is what makes it so much better to drive with.

i feel like we're arguing about 2 different things here though. if i were to build a strip car i'd too build a b series. however, if it were a time attack car, i'd go k over b any day.

trigga

here we go k vs b thread

just knock it off we all know b is better lol

brianmcgaugh

personaly seen a 2006 si make 195 or 198whp on a dynojet, intake and exhaust thats it.
not bad for simple boltons.
But after i looked in that tiny little cramped engine bay there was no way i wanted to own one.

bbarbulo

iTrader: (2)

my boy makes 260 whp on a jackson racing supercharged 04 SiR.

Mugen Power

like i said, its was PART of the reason for switching chassis'. anyway, there are tonnes of variables. gearing can resolve the loss of low end power from a smaller motor. currently, most K's i've seen that are impressive are .4 litres bigger than its B counterpart. which is not a comparison at all.