Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post

Z U L8R · 03-02-2010, 11:45 AM

i'm totally not saying you're dumb if you get cams on a boosted motor.

as far as your set up, you're pushing that 28/71 to what it can do, in it's happy range of ~20 psi

so if you wanted a little more power on top of what it already did, without messing with your set up, than yeah, cams are warranted.

but if you wanted to make 400 or 450hp

i'd say, put back in the stock cams, with a gt30 or another turbo that'll get you there, and crank it up, and it would do it. then if you wanted to tap that set up out, THEEEN get the cams, like you did.

you also didn't go stupid crazy and get 272's which is good.

i just want ppl just getting their sr or rb or whatever swap done, to know that the first mod they need to run out and get is a better turbo, the fuel system and tuning to manage it, and a good electronic boost controller, instead of the FIRST thing they always get, which is cams. lol

you get what i'm saying.

but yeah totally you can see it in the dyno, and i know you said it's good old tune vs cams etc with "ehhh" new tune. so it's not really apples and apples but still none the less.

lose spool down low to gain power up top towards the end. sometimes it has it's place, most of the time though what people are really wanting, they'd get from more boost/bigger turbo not more cam.

thanks for posting that up though.

i hate cams....unless in a chevy LS motor with some nitrous

....but if i were to boost the LS motor...i dunno i might do a cam just so it doesn't make 9million foot lb of torque at 3,000 rpm hahhaa. that'd be where i would WANT it to make less power so soon and more power up top lol.

Dave =]

03-02-2010, 11:45 AM	#6
Z U L8R Zilvia FREAK! Join Date: Jan 2007 Location: Georgia Age: 39 Posts: 1,194 Trader Rating: (0)	i'm totally not saying you're dumb if you get cams on a boosted motor. as far as your set up, you're pushing that 28/71 to what it can do, in it's happy range of ~20 psi so if you wanted a little more power on top of what it already did, without messing with your set up, than yeah, cams are warranted. but if you wanted to make 400 or 450hp i'd say, put back in the stock cams, with a gt30 or another turbo that'll get you there, and crank it up, and it would do it. then if you wanted to tap that set up out, THEEEN get the cams, like you did. you also didn't go stupid crazy and get 272's which is good. i just want ppl just getting their sr or rb or whatever swap done, to know that the first mod they need to run out and get is a better turbo, the fuel system and tuning to manage it, and a good electronic boost controller, instead of the FIRST thing they always get, which is cams. lol you get what i'm saying. but yeah totally you can see it in the dyno, and i know you said it's good old tune vs cams etc with "ehhh" new tune. so it's not really apples and apples but still none the less. lose spool down low to gain power up top towards the end. sometimes it has it's place, most of the time though what people are really wanting, they'd get from more boost/bigger turbo not more cam. thanks for posting that up though. i hate cams....unless in a chevy LS motor with some nitrous ....but if i were to boost the LS motor...i dunno i might do a cam just so it doesn't make 9million foot lb of torque at 3,000 rpm hahhaa. that'd be where i would WANT it to make less power so soon and more power up top lol. Dave =] __________________ RB25 280z GT30/76R 441hp/381tq [email protected]