I talked to Jim Wolf today and he gave me permission to discuss the new cams. I don't have the new specs yet but they'll be posted next week. They are a mild street strip grind, not a full race design. They did me a favor and sent me 4 cams much earlier because my engine was already apart. The cams were developed for the new 3.5 L engine but with the addition of proper spacers, they drop right into the 4th gen motor. My car is going in monday to have the motor reinstalled and I'll keep you posted.
Mardigras, you are correct, the 395 cc injectors will limit me to 420-430 bhp but that's fine because if I do get the 550cc inject., then I'll have to upgrade to a full 3" exhaust and these 2 mods could add up to another $2500.00. I'll be happy with over 400 horses for my every day ride because I'll be faster than 85- 90% of the cars on the street!!

 

Ah 4th and 5-gens, start taking note!

 

any idea on the price?

 

Exxxxxcellent, i just hope they do something substantial, doesnt kill the idle, and dont cost too much.

 

Must have...now...must have...now...MUST HAVE!!!

 

JWT SR20 and VG30E cams are $600 but that is for 2 cams. The VG30DE(TT) race cams are like $1100. Since you need 4 cams figure between $1200-700 .

 

What exactly do Cams do? How much Hp/Tq would these new ones give to a naturally aspired 4th gen? Do these give off the line power/tq or are they like your average bolt on which only gives power when moving.

Also the price...

 

Sweet! Keep us posted on the specs when they're available. Interested to hear what the duration and lift changes are.

 

"It doesn't matter, we still won't have the torque and power of an american V-8"... Oh whoops, I thought I was posting for Craig for a second... Sweet, finally Cams for the 4th gen, let's just hope they dont come with too high a price...

 

Hey that's Eric D. Wong not me

Knowing JWT they will be costly.


































Now can someone please answer my questions thank you.

 

Craig:

http://www.howstuffworks.com/camshaft.htm

 

Please let us know how they run when you get them in I've seen amazing gains from cams on the max... but yet to see a set that can hold idle

 

Thanks for that Eric.

It seems like the VQ has been finely tuned already from the factory with good technology off the bat hence all the praise it's gotten. I still wonder what kind of power/tq figures JWT's new cams will produce and @ What RPMs, how lumpy the idle will be, and most importantly if the costs will be worth the gains.

 

The camshaft of an inline 4-cylinder engine


FINALLY ANOTHER SERIOUS MOD!!!

 

Ok, this is a great thing...I am ready. But a question I have is this...when we changed out the cams in my friends Accord, the idle was a little more choppy, a little rough. I understand that is supposed to happen for the most part. But, with the UDP I have in now, I am Idleing in the 500 to 600 range and sometimes it seems that may be the extreme low that is can run without boggin down. I am just wondering using the new cams WITH the UDP will be a little too much and I will stall on occasion? Anyone have any insight? Thanks ahead of time.

 

I can't wait to hear more about this! Thanks for sharing the good news I30Krab.

 

Will this increase Hp/torque, or just allow the engine to handle more hp/torque?

 

The new cams will be between $1000.00 and $1200.00 for the set of 4.

Don't worry about the idle, they spent hours on the computer and dyno testing them. JWT is not about to sell cams that won't idle!! They are the foremost Nissan experts in the country when it comes to after market performance!

 

for once I'm actually glad I'm SOHC! I hope the gains are nice though, especially for those who have to have a shop install them...your wallet won't like you very much!

 

Would they want to try some pistons and other power mods later on?

 

you should already be able to get "custom" pistons with your choice of CR from JE or Crower for about $850. as far as rods go on the VQ I'm not sure....

 

Of course, Im talking VQ

 

Any predictions on how much HP and TQ these will add to the top end? $1000 is not bad if 20+ HP could be gained.

 

It would depend on how agressive the cam is. Now VG30E's with cams + headwork gain over 20whp at the top end. However I'd figure the cams should be worth a good 6-12whp at the peak, with around a 12-18whp gain close to the rev limiter.

 

The idle would be slightly worse, but it isn't anything you can't live with. I'd say it would be simular to SR20's with the S3/S4 cams. The gains should be from 2000-3000rpm and up, expect the power after 5000rpm to get the best gains.

 

actually rods shouldn't be that hard either...Crower does custom rods too....should be about $700-800 plus a core for them to make you a set of 6.

 

could you provide a link for that, I never heard of that this place before..

 

http://www.crower.com/cat/other.shtml

heres the custom rods section:
http://www.crower.com/cat/rods.shtml

they also sell JE and Arias custom pistons also, but they are a little too pricy($900)...you can get a good set of JEs with wrist pins and rings for $759 from other places on the net(or at least for the VG motor)
http://www.crower.com/cat/pistons.shtml

 

american express...5,900 limit! Puahaha..hmm..i should pay it off first huh...bah..

 

aaa yes..

 

I had the rods shot peaned and reshaped, costs a few hundred $, much cheaper than custom. For our purposes with smaller shots of N20 and stillen superchargers , this should be more than adequate. Also, ypu're better off with the VQ30DET pistons because you'll get a more boost friendly 9:1 compression and again they're much cheaper, around $500.00 per set.
As far as turbo cars go, all bets are off concerning the above info.

 

if the idle was choppy, with a udp, why not just increase it some - like by 100-150 rpm?

 

and exactly where can one go and order the VQ30DET parts?

 

at a place that sells VQ30DET's..

 

 

I bought mine thru JWT.

 

I've been waiting to read a post like this for a long time. Well time to start eating one meal a day I've got to get this.

PS. Also waiting to see a post: "JWT Ecu's available for 97-up"

 

yo why the hell did you post this.. now i will never spend money on anything else but my car

 

Cool deal Ron! Thanks for testing these for us! I cant wait to see your dyno.

 

and yeah I30, custom is the way to go, CRower does usually charges and arm and a leg. $1600 for rods and pistons is ridiculous I've found that I can have my current forged rods treated for $300, and buy forged 9:1 JE with matching wrist pins for about $750 from TEP....my advice to some of you other guys, start loking at the little black and white ads in the back of SCC, Import Tuner, etc., many times there are shops there that advertise about selling custom internals for very low prices...luckily for my CRX, rebuilding the whole bottom end will cost less than $700!!!!