TDotMax

iTrader: (1)

Not to bash anyone at all, but I'm getting the run around. Some say headers for the 3.0, some say its pointless since I have a y-pipe already.

I know the 5.5 has the pre-cats in the headers making it great for them and the 5.0 in the Y-pipe. I currently have a Budget Y-pipe.

My mods will consists of, short arm intake, Hi-Flo cat, B-pipe, VQ35 cams, VB mod, SAFC-II, AFPR.

Now is it worth spending $850 for Headers and selling my current Y-pipe? I have not seen any dyno plots to proove this. But experience and knowledge would be great as I'm getting many different answers in regards to this mod.

Thanks,

steven88

iTrader: (28)

you are mostly doing it for sound...the whp gains will not be as significant when upgraded from a ypipe...so unless you have the cash, i say stick with your current setup

TDotMax

iTrader: (1)

Well if thats the case, it leaves me with more money to go towards an E-Manage

MaximaSE96

iTrader: (8)

as long as u removed ur precats ....which i think the y-pipe does...cause DE-Ks have bolt on precats then y-pipe is good

NmexMAX

iTrader: (22)

If you're posting in this particular forum, you want to go with headers.

Of course the cost/benefit ratio is up to the individual, and from a financial standpoint, not wroth it. But IMO, it IS worth it.

No one on here has dynoed w/ headers and a tune on a DEK up to this point. Closest was DandyMax. (his last dyno reflected bolt ons, 00vi, & a/f tuning ONLY, no timing) and he has the highest recorded VQ30 DJ 248 SAE record.

If you're going so far as to add VQ35 cams, just do the headers. It will make your set-up more complete and eliminate any doubt or 'coulda shoulda woulda' skepticism.

Do it right or go home.

speed racer

iTrader: (10)

The whole point of headers is to change where you want your rpm band to be. Meaning do you want more top end or more low to mid range. Its very hard to have everything. You have to look at the design of headers. You have short headers and you have long headers. The headers on the v6 is all 3 to 1. On V8's you have the option of going 4 to 2 to 1 or 4 to 1.

The shorty headers are better for mid range while longer headers are more for up top. This is why its important to understand where you want your power at. And this all depends on let say a drag setup or a autocross setup.

NmexMAX

iTrader: (22)

I'd say that's more related to IM design.

Ahhhh, his car came with that from the factory

speed racer

iTrader: (10)

Yea, I edited my thread after reading he had a de-k. LOL

TDotMax

iTrader: (1)

Thanks, I'm looking at a quarter mile car (obviously no competion thing, just personal preference). I have budgeted to go with the Cattman's. I'm thinking if I should just go ahead, complete theVQ35 cams/ SAFC-II, AFPR then dyno tune and see where that will put me first then see if Headers would be a worth while mod for me. Or maybe instead of getting headers, that money can go towards an E-Manage.

nismology

iTrader: (8)

It's just one of those things. If you have to ask if it's worth it, it's not for you. No offense, of course. Most people that buy headers buy them for reasons including, but not limited to, HP gains.

TDotMax

iTrader: (1)

Ok I have the money for headers no problem. Based on what I listed and currently have on the car now. Would this be worth it at the present time then. Instead of getting the headers, would it be better to go with an E-Manage instead of the headers for the DE-K, then worry about headers down the road. What what would be the best bankg for the buck at the moment?

-Cattman Headers and stick with SAFC-II?
-Greddy E-Manage and stick with current aftermarket Y-Pipe?

NmexMAX

iTrader: (22)

If you have the money for headers, you have the money for Emanage. 'nuff said. It's not a hard decision.

Get them both, don't cut corners.

nismology

iTrader: (8)

When you put it in terms of bang for buck the 2nd option wins by a large margin as long as you're referring to the EU. One man's opinion...


Are the cams already installed?

speed racer

iTrader: (10)

Its not about bang for the buck anymore. Its about which tuning device will yield the most gain. The SAFC-II can do fuel trimming and advance timing, but the EU can do all of that plus more. So you have to decide if you want more control over the car or are you satisfied with the SAFC-I which is subpar to the EU.

nismology

iTrader: (8)

Redundant much? The 2nd option will yield more power for less money which is what bang for buck means. And the s-afc II can only advance timing indirectly and requires other modifications (larger injectors or high base FP) to pull it off. Very imprecise way to do it.

TDotMax

iTrader: (1)

Yep thats what I"m hoping. I'm hoping the '06 bonus is good so I can get both, but I have to worry about some investments first. I have the money for one or the other right now. Installs I'm not worried about. I'm just asking incase I do have to choose one route for the time being. I will eventually do both.

TDotMax

iTrader: (1)

Nope, weather is too cold. Gathering everything for a spring install and tune.

nismology

iTrader: (8)

Good. So it's not too late to get custom cam timing dialed in.

speed racer

iTrader: (10)

Ultimately its going to be your descision to choose which setup up you want. Just remember that if you get the EU first and than get the Headers your more than likely going to have to retune the car.

TDotMax

iTrader: (1)

JClaw advised me of some good settings, I'm clueless to settings but the shop is fine once I can advise them what settings. Do you mind sending me a quiock pm on your views of a best setting perhaps?

Speed, I'm aware I may need to re-tune. Not worried about that.

JClaw

iTrader: (17)

I advised him to retard the cams about 8-10 degrees from static 3.5 swap settings. So the valve would close around 52 or 54*. A good middle ground I think (since he has a 3.0L).

01MaxAE

i know this is off topic but will the vq35 cams give you more power, torque, or just get the engine ready for something else you are going to do?

maximumobsesion

iTrader: (36)

yeah im kinda curious about the diff the vq35 cams are gonna make