300 HP Stage Kit

[bobs turbo pt]

"it'll be a cold day in hell." []

[romli]

quote:rice killing gt wrote:It's actually John Meany and macster he is known as the father of fuel injection

This guy is on one episode of "Rides" and suddenly he's the father of fuel injection???

Puhleeze... don't believe anything Jason Priestley tells you []

[rice_killing_GT]

quote:Originally posted by romli

This guy is on one episode of "Rides" and suddenly he's the father of fuel injection???

Puhleeze... don't believe anything Jason Priestley tells you []

I didn't get that from the show Rides I did a search on him and found a couple articles on him. This is one that call him an EFI wiz
http://www.popularhotrodding.com/eng...05em_turbo_bb/ now this is what the articles state whether it's true or not [:I]

[Culprat]

Great post Macster,I live much closer than you so they can send it to me and get the results much sooner. I would post them for you,and save you all the expence and work.
That said I have been trying to get Meane to look at are
PCM to see if he would like to give a try,but no luck yet.
The "rides" show was not the frist time I have seen his work.
I just though if I could get more poeple to contact him he mite
give us some time.

[Rolo]

haha, macster, you are a trip!

I believe S2 yields 265 HP with a 2-1/2" exhaust and a high-flow muffler.

Say you can add 2-10 HP for a good intake.

How much can one tack on for a tuned turbo/back exhaust? 5? 10HP?

Personally, my goal/expectation is to get 275 HP maaaaybe 280 out of S2 with a tuned intake and exhaust. (And a freak-in S2 release date already! ) If I can hold my own against a stock 350Z, then I will be finished. If not...I dunno....jump off that bridge when I get to it.

S3? Is that even a possibility or are we just dreaming? Will it be available before the V6 PT?


My unqualified impression on the whole smog thing is that you have nothing to worry about. Like 3Bar said, you haven't changed any fundamentals and the cat is still there. All you are doing is burning more fuel; will that fuel's exhaust still be catalyzed into CA happy air? Also, it is not like you are winding it out, under boost, and under a serious load when you get smog tested (unless they changed it since I lived there), so all of this performance stuff is a non-issue, yes?

CA is a nice place to visit (live for a while), but I would not stay there. If the Governator were to be there long enough, that may change.


OK, now for my n00bness; I must ask: What/who is this PVO I keep seeing in posts? [:I]

Also, what is a "race pipe"? Just a straight pipe, sans cat and muff? (baha, funny how that sounds like...oh, nevermind)

[hyracer]

mcmaster,
Your missing a point that has been brought up a number of times...it's been posted that S2 REQUIRES a 2.5" cat-back to achieve the full rated HP. In other words you are not going to make 265 HP without changing your stock exhaust and it will take the race-fuel switch and the 2.5" exhaust to bring it up to 280 HP. Mapping of the stock turbo and comments from 3BarBoost and others have also indicated that the stock turbo would have to be maximized (everything set-up just about perfect to get to your magic number of 300 HP) without going to add-on power-adders like nitrous.

Deen

[macster]

quote:Originally posted by hyracer

mcmaster,
Your missing a point

Deen

Nope

Didn't miss the point. I just didn't want to get into the weeds. But here is the senario. Without the R Gas we are at 260 or 265HP with S2, if we add a CAI thats 280HP, drop in a lower temp themostat and you are at 285HP. See how easy that is. Now we do a tuned exhaust system and we are at ???? It puts us real close. Anyway, yesterday, I was PMSing, too much coffee, just being stupid, etc. Today, heck who knows?? But 300 is actually not that hard to get. All we need is a before and after on a tuned exhaust system to see what it would add. Then a person could follow the above receipe and have 300HP.

See we can add the 2.5" exhaust and get the 260 or 265.

But what would a "tuned" exhaust system add?


HA I knew that I could find it. Here is the blurb from the Mopar performance cataloge.

"STAGE 2 TURBO UPGRADE KITS — SRT-4 AND PT TURBO**
The Stage 2 Turbo Kits for the SRT-4 and PT Turbo give you a power
boost of 265 hp and 280 ft-lbs. of torque on premium pump gas.
For SRT-4, you can also achieve 280 hp and 300 ft-lbs. of torque on
100+ octane unleaded racing fuel. For additional power and a more
aggressive exhaust note, you can add our new Cat-Back Exhaust

Note the part about additional power, but it doesn't tell how much additional it will provide.

macster (<--- second cup of coffee, probably not making much sense.)

[bobs turbo pt]

"don't believe anything Jason Priestley tells you " that's for sure !!

[Kirby]

Macster,
You should re-read the article written by the turbo engineer that was posted late last year. HP gains will be best met (more turbo efficiency) by increasing the escape gass differential = bigger down tube and cat (just off the turbo), more than the blowout exhaust system.

You probably are right though, a kit should be easy to assemble that would:
1)take boost to 20 lbs,
2)better pre-cool a larger air mass,
3)make available, on demand a higher rate of fuel delivery, and
4)efficiently evacuate turbo gasses.

I'm not sure that a custom plug and a CD ignition (multispark), might be necessary at that stage also.

[macster]

quote:Originally posted by Kirby

Macster,
You should re-read the article written by the turbo engineer that was posted late last year. HP gains will be best met (more turbo efficiency) by increasing the escape gass differential = bigger down tube and cat (just off the turbo), more than the blowout exhaust system.

You probably are right though, a kit should be easy to assemble that would:
1)take boost to 20 lbs,
2)better pre-cool a larger air mass,
3)make available, on demand a higher rate of fuel delivery, and
4)efficiently evacuate turbo gasses.

I'm not sure that a custom plug and a CD ignition (multispark), might be necessary at that stage also.

Kirby

It's good to see you post again. I have added a 2.5" Cat to muffler exhaust system and I may do the muffler. But I have enough to get me to the S2 spec of 260HP. Now what if some one made up a tuned 3" or (*) exhaust system which included the thingie that CAT attaches to, all the way back to the tail pipe. You'd get the large exhaust, high flow 3" CAT, the CAT thingie, and the highflow muffler. That has got to be worth 15HP over a just a 2.5" exhaust (because it makes me right) don't you think?

My point is as follows:

We know that the S(*) kits work
We know that the K&N works (my gain was 15 WHP or 20 HP)
We know that changing to a lower temp thermostat works (5HP)

What we (maybe I should say I) don't know is what kinds of gains can be had by going to the High flow exhaust "system". 10, 15, 20HP???
If we can get even 10 HP from the High flow exhaust "system" on top of that 265 with the 2.5" pipe, then we are in business. Getting 300HP will be a cake walk.


Okay I read the article by the engineer, he says basically "high flow" is the way to go. Now all we need is to find out how much it adds.


macster