Ferocity02

iTrader: (60)

Well, I've decided to get a cam for my car. Since I'm in California, it needs to be a relatively average-mild cam that will do well with the emmisions testing. I was thinking somthing around 220/220 116°. Only thing I found was 218/221 116°, I think it was a Lunati or Comp. I figure I can get one custom ground for less. Anyone have any suggestions? I might get a set of S2 heads in the future, but not sure yet. Thanks!

dis3as3d

MTI Stealth Series
Cam Duration Lift
Intake Exhaust Intake Exhaust LSA
220 220 .581 .581 115

Colonel

I agree.

Ferocity02

iTrader: (60)

I was looking at that too. You think 115° is not to extreme? I though 116° would be cutting it close

SSactionLs1

PM 93 poni...he has a 226/224 that will pass CA emmissions..

Bearcat Steve

How rough is .581 lift on springs? I'm planning a heads/cam/header/intake project for the Spring of '04 and I don't want to be in a position of having to swap springs every 12-24 months.

Colonel

I don't know a thing about California emissions (other than them being yet another reason I'll never live in California) but a 220 cam with a 115 LSA should idle pretty much like stock and be very clean.

Or, do it on a 116 just to be safe and to do what no one else is doing.

The MTI Stealth cam has very aggressive ramp rates. Good springs are a must and I honestly don't know how long they would last. It would depend alot on how often you spin it up tight. This is a question for Jayson at MTI.

Changing springs once every couple of years (or even every year) isn't that big of a deal, IMO.

Bearcat Steve

Colonel, thanks for the help. I'm in a position where because of my job and corporate life insurance, I can't run at the track. My goal is to build a very good horsepower daily driver. I can do minor stuff (e.g., free mods), but when it comes to heads/cam/etc., I have to have someone else do that kind of work for me. Consequently, I don't want to be in the position of changing springs.

Colonel

Steve, I sent an email to Jayson asking about which springs should be used with the Stealth cam and an idea of how often one should expect to have to change them. I'll let you know what he says.

lsx24

iTrader: (45)

Ferocity, I replied to your other post in detail, but to sum up:

Here in Cali, many people have passed sniffer (recently) with a TR224 on 114, with good tuning (i.e., MMS or AAP before they closed). Imo, you should tune any cam to get the best drivabilty and power out of it, especially for an A4.

Personally I would not run a cam with over .550 lift, as your springs will most likely need to be changed every couple years or so...Colonel I'll be interested in hearing your research results on this question.

It depends on what you are willing to put up with...a TR224 will be the biggest gain, with or without heads it doesn't matter, but will be louder, idle a little rougher, be harder to tune, and possibly have some drivability issues. Not sure on that last on, everyone's version of drivability is different...

If I were you I would go with the MTI B1 cam:
221 221 .558 .558 114, although it is not listed on their site anymore...I'm sure you can find the same profile...this cam will idle very close to stock (you'll be able to tell you have a cam, no stealth here for someone who knows a little about engines at least), be relatively quiet, make more tq at all RPMs, and when/if you do go with all the bolt-ons and heads, will make over 400 rwhp easily on a M6. Hope this helps.

jaberwaki

hmmm how bout a 221/221 561/561 115 with xe-r lobes...
fast ramps
good lift(but still pretty spring friendly)
and sneaky(quiet)
should idle nice and give it a kick in the azz thru out your band
and added cool point for running something differant

MyLS1Hauls

iTrader: (2)

There are no XE-R lobes that are odd numbered(221) or that have lift below .581". Also, there is no 222 XE-R lobe.

lsx24

iTrader: (45)

I believe he was thinking of a custom grind, one with steep ramps and medium lift, but with a lower duration (~221) and 115 lsa, a smaller overlap.

It sounds like a less lift more aggressive version of the MTI stealth cam, if you ask me.

Ferocity02

iTrader: (60)

Lots of good info guys, thanks. I was looking about again for cams and found another. What about .563/.563 222/222 114? Will this pass emmisions with tuning?

Cal

iTrader: (1)

I'm going to recomend the TR224/114 also, since that's what I have and strongly feel it's the ultimate street cam. It really has very few driveability issues after a good tune and will pass emissions. My thought is "why get any less" when this cam meets your requirements, has the best power gain, and no disadvantages that I know of. It is a bit louder than stock, but I see this as a "plus." Idle without tuning has a nice lope, but not too extreme. With tuning you can have a very smooth idle, but not quite stock. Again, perfect, who would want to modify their car just to have it sound totally stock anyway?

Ferocity02

iTrader: (60)

Good point, but I was looking for something that would for sure pass emmisions. I guess tuning would do the trick.

Bowtieman4life

iTrader: (1)

I have a custom 220/220 that made 395 RWHP and 378 RWTQ running lean with no tuning. I should make over 400 with tuning. Its smog legal, makes peak HP at 6100 and idles steady at 750 RPM's. If your interested pm 93PONY. He set it up for me and he really know his stuff. This cam makes more power than the TR224 across the power band.

Ferocity02

iTrader: (60)

Looking around some more... Whats the difference between the Comp 224/224 114 and the TR224 114, besides the extra .002 lift on the Comp and the fact that its $50 cheaper? Thanks

Bowtieman4life

iTrader: (1)

All TR cams are made by Comp using comp lobes.

Cal

iTrader: (1)

I think most of the TR224's being shipped now are closer to a 563 lift than the 561 that they originaly spec'ed them at. I don't know what the differences are between those two cams, but some possibilities are ramp rate and ground in advance. My guess is most 224 cams perform close to the same now days, since everybody is on to the fast ramp rate thing for LS1s. The MTI C2 cam would be another good 224 cam to consider also; has more lift than the TR224, but you have to weigh that against valve spring life. I even saw a '99 SS with an early Comp 224 with only a 533 lift that performed very well (over 400 rwhp.) 224 seems to be the sweet spot for these cars; sure you can get more power with a bigger cam and ported heads, but you reach a point of diminishing returns where the dollar/hp ratio gets a lot higher.