I have a clean slate to work with. I have only a JWT intake. I have seen nismo, and JWT cams available. They say 15 horse.

My question is, with cams, and whos; can you get 300 hp to the crank with a ypipe, bpipe and cams?

Actually, who is running either the wolf or the nismo cams?

Thanks for the help.

 

At the wheels or the crank? good luck getting 300hp at the crank or at the wheels if your not boosted. If you had a 350z, then 300hp at the crank would be a piece of cake.

 

i u can raise ur compression and get it to rev high enough then i think so, but u might go through alot o motors before u get it right

 

Why are you so concerned about cams? They aren't exactly a huge source of power in NA VQ's.

Since you're already a VQ35 car with a 6-speed, you're at an advantage. You'll need full exhaust (headers, y-pipe, cat-back), modified intake manifold (a la SR20DEN's manifold), and other things like that. Honestly 300 BHP might be do-able, but most definitely not 300 WHP.

 

I have 290+ BHP .. And all i have are headers, JWT intake and 17* timing advance .. .

300BHP is easily done with headers and SSIM.

Since you're 6speed, you can get or look into Tomei 272 or 278 cams ...

If you're not familiar with what those #'s represent ... in this forum more.


Tatanko ..

 

My local dealer told me that to have cams installed would be like 1200 for labor because the motor needs to be dropped. He said that the 350Z's being rwd makes them easier to intall.

Someone said that they would charge 500 for a 350 z cam job. If it is that tough, i may not go that direction.

But, if someone did decide to do it, it would be a perfect time for headers

 

I wouldn't want anyone dropping my motor. I'd be pissed. anyways, 1200 labor is outrageous. The header in the front part of the engine is a piece of cake, the rear is more difficult and time consuming, but 1200 is rediculous.

 

Yeah, when he told me that, I was pretty shocked. I guess y-pipe or headers, and b-pipe will have to do.

And maybe a big AEM sticker on my door for that extra 10hp.

 

I believe it. I knew 300 BHP was reasonable, but thank you for showing me just how reasonable it really is

 

No it doesn't.

Ever seen pics of the Altima that tehy did cams on .. NissanPerformance Magazine online

I get my SAFC-II tomorrow, and will tune next Friday ... lets see what I can get out of it

 

Sweet Keep me posted!

 

Just read the altima jwt cams install at nis preformance mag. It definitely is not dropped. They are pretty impressed with them. Their story is different from alot of nay sayers. They say it takes 10 hours on the Z, did not state length on the altima. But high end power looks good.

 

But is it worth the outrageous amount of money you pay for them?

 

That car still isn't in the 13's and still puts down less than a full bolt on FWD VQ35 w/stock cams...

 

Cams should be the very LAST n/a mod.

 

Why are there no decent cams for these engines? 15 horsepower is patheticly weak and a total waste of money. Surely someone could make a cam kit worth at least 30 hp, who cares if it has a rough idle, I like a good lope myself. I would LOVE to hear a Maxima loping!

 

Not to sound like a total idiot here but aren't the 6th gen Maxes putting out around 215-220whp and ~225wtq in stock automagic trim? And on the high end of that for the manuals? Thats ~275-280chp/285ctq.
If so, I'm convinced that w/ the cattman 3.0 headers ALONE, one should be a tick's azz hair off 300chp. Much less with the SSIM added to it. Am I horribly off here?

 

Would u mine sharing where u bought your SAFCII from and for how much? I'm tryina decide b/w that and the VAFCII and after that, where to get them from. Thanx.

 

You would need around 240whp for a 4A/5A to be at 300chp and around 250whp to be at 300chp with a 6MT. I think that most 6MT's w/ I/E are around 230-240whp.

 

It all depends on which ricer calculator any of you prefer to use. I use a little more conservative calculator by saying that 250whp (6spd) on a Dynojet 248C is about equal to 300chp. And by that definition there are ony two N/A Maximas on this forum who have reached and or exceeded that mark on a Dynojet 248C. Mustang Dynos can't be used as reliable comparisions because they can be incorrectly calibrated, however they are far more tuner friendly than a DynoJet.

 

How so? I just used a pretty universal drivetrain loss of 22% for the autos and extrapolated the est. chp from there. Bad idea? I usually use 17% for the manuals. Too far off? Well, at least you can see that my math was correct, even though my method may not have been???
215whp / .78= ~275chp. 225wtq / .78 = ~285ctq
Since it appears my calcs are off, would u mine offering a more accurate means of estimating chp from dyno figures for auto and manual equipped cars? I'd be much obliged!!!

 

According to your figs foobeca, that's a drivetrain loss of 20% for an auto and 17% for the 6sp. Strange, but that seems a little too efficient for any auto tranny I've ever heard of! But at least we can somewhat agree on the avg. dt loss for the manual.

 

It also appears that my estimates for dt loss agree w/ yours for the manual tranny SR. 250whp / 300chp = .833 or about 17%. So it would seem like only my auto tranny drivetrain loss percentage was a lil off. That's good to know.

 

20% is prolly too low. 22-23% is prolly more accurate. Anyways, I think that 300chp is pretty hard to get on a 02-03 with typical bolt-ons. The 04-05 3.5L seems to dyno quite a bit more.

 

Herein lies the difference!! Sorry bout the mix up. If you'll notice, above I stated 6th gen Max where our poster asked about a 5.5 gen. My b. Yea Tatanko and NmexMax were correct as far as what bolt-ons you'll need to reach your 300whp mark. Again, sorry bout the mix up. It seems it's nearing my bedtime.
So I was ok with those estimates for the 6th gen then huh?

 

Crank HP/TQ figures are pretty worthless and I believe manufacturers should advertise hp/tq at the wheels. And I find it hard to believe that something that dynos at 250whp is really 300chp.

Come on, does the friction and inertia of modern drivetrains really sap 50hp and around 50ft/lb of tq? I guess what I'm trying to say is that crank hp figures in general are inflated.

big-***, heavy-*** wheels/tires prolly sap as much hp/tq as a tranny does.

 

I'd say SSIM, headers, cattback, and UDP, advanced timing or very slight tuning should get any decently healthy manual-equipped (maybe even auto) 5.5 gen VQ35 hitting 300chp. My $.02.

 

lol I understand your frustration. I dunno, I find it helpful to see hp/tq figures in crank measurements. After all this time seeing them in that format, I automatically convert them into est. whp/wtq numbers anyway. Well hopefully this will all become more accurate once the new SAE rating system becomes universally used.

 

Like I said, it all depends on what calculator you want to use. Using the 17% figure shows that a stock 2k2 only makes the same 240chp that the 2k2 Altima makes. Therefore we've already chosen a figure that makes these cars appear overrated from the factory.

And FYI a 333chp E46 M3 (S54) puts down about 272whp on a Dynojet 248C. You do that math on that one too.

 

So ur saying the stock 2k2s dyno ~199whp? I thought that was on auto 5.5s or even unbroken in ones because 255chp x .78 = ~199whp. Or, 199whp / .78 = ~255 rated chp.
I also thought the early 3.5 Altis were under rated a tad since they dyno'd around 195whp?

That's just under 19% dt loss for a manual. Surprising to say the least.

 

My car dynoed 200.4whp when it was 100% stock with 1700 miles on the clock. That was the best of three runs.

 

Awww that sounds a lil better. 1700mi on the odo sounds unbroken in to me. So to meet the advertised 255chp you'd have to dyno b/w 208 and 212whp right? Well 210whp doesn't sound too far off 200whp if you would've let her loosen up a bit, and I remember someone on here sayin the 6spds had a slight add.l dt loss due to the heavy flywheel and 6th gear.
So it seems to me that if you use an 18% or 19% dt loss you'd need to dyno b/w 206-209whp. That to me seems very realistic if your car had another 10-15k miles or so on her. Just a thought.

 

how is that surprising...that's typical of a rwd manual

 

Yea I'm sure ur right come to think of it.

 

If I use the 19% figure that makes my 263whp SAE equate to 325chp. I am not so sure about that.

 

Of course if you use the 18% figure that'd be around 320chp. lol Jus tryina lighten the mood. But seriously, that seems plausible to me given the speeds and times ur runnin. Also, that's about 60whp more than a stock 2k2 6spd. So counting in the additional hp ur losing from your real chp, that should put u ~315chp?? 255 + 65 = 320chp? 60 + ~10% = 65?

 

320chp x .82 = 262.4whp. (18% dt loss) There's that tick's azz hair again. lol (from 263whp I mean)

 

Ok enough of that, I'm sure you have a better understanding than anyone else of what your car's really puttin out at the crank. All I'm sayin is I think some people underestimate the VQ35's power potential once modded and it's actually tq output stock. Thanks all, I've learned much from this thread.

 

OK ok one more thing. It seems ur 263whp is jus 9whp shy of the 333chp M3's 272whp u just posted about. 333-9 = 324. Using my way of thinking, 333-13 = 320. And that's from a car w/ a less efficient (than FWD from a dt loss pov) drivetrain. Food for thought?

 

E55AMG put down 310chp on his auto 5.5 gen...mods that I know of are intake, hotshot headers, y, b, magnaflow, and emanage. If you ask him, he'd tell you it's all in the tuning.