Hey guys, in my long and still continuing search to decide what boost option to go with I'm currently leaning toward a supercharger over turbo just for it's ease of use and install. My main question is tho, can I hit 300 whp with a jrsc and a k20a3? It's a DD and all I want is around 300 to mess around with, also not really looking at doing an engine swap any time soon. So is it possible? Thanks guys
Nope
Last edited by talonXracer; 02-27-2009 at 01:15 PM.
Hey now it is definately a close possibility, I was at 275, on stock cams. I'd say yes, if you got the blower/inlet/manifold fully ported and ran say 12-14psi with a water methanol setup and a damn good tune, I'd say damn near close, I DD'd mine with 275 no issues, you'd just need a k24 crank pulley and 3.6 blower pulleyOriginally Posted by superchargedk20
Yea another 25whp good luck... that blower is gona spin so fast that motor will go kaboom. Better go to churchs dyno too, then maybe ull hit 300whp lol
Well even with the k24 cp and 3.6, it's not really close to maxing out what the blower is capable of spinning, although without a cooler of some sort your pretty much asking to melt a piston or something, and yes I think another 25whp is achievable through more blower rpm with sufficient porting, as long as you can keep temps down
Ill beleive it when i see it. Remember that dude that tried pushing the JRSC and he had a built a3. still blew that shit lol. And also lets say it is possible to do all this and get a legit 300whp on a accurate dyno. With all the money spent to make it happen u could buy a turbo kit and hit 300whp and be cheaper . but that will prolly blow up too on a a3 lol
Last edited by superchargedk20; 11-13-2011 at 06:43 PM.
Hell man, I'd be happy with 275. Was it reliable? Could you push it on a Rey basis and it hold up? I have a I/RH/E set up right now and I'm about to get Kpro. I was thinking about doing the jrsc and say some skunk2 stage 2 cams and a tune. Would that put me in the 275 range and it be safe?
It wont. Your gona need somethig to cool ur temps down to make the power Dan did. We both ran meth and made good number. Ur gona need a meth kit as well .
I agree on everything that is said above. I was planning on going sc too but i went turbo instead because it's CHEAPER and make the same amount of power or even more. I'm dd mines as well and it's not even hard to assemble.
Would an oil cooler help with this? What is the average whp with a jrsc with mods?
Key to high numbers, go to a place that uses dynojets lmfao
Anyone think a jrscR a3 built motor would make 300whp with e85?
With the right exhaust, header, fuel system, pulley, and tune it would be close.
I don't know why you'd build an A3 though. I'd take a stock K24a1 over a built K20a3, FWIW.
this is coming from the guy who swears by is 300+hp turbo a3, so if even HE'S telling you to go k24, it's probably a good idea haha
lol... The a3 is a good motor and can take some abuse and make decent power, but with the prices of k24s as low as they are these days it just makes more sense.
When my motor goes, I'll probably take the turbo off, put a k24a1 in with a JRSC-R on a smaller pulley and a good header and make the same power I'm making now.
It would be right around there. Depends on the car/tune.
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