Who is running the Edlebrock Pro-Flo XT? DYNO INFO INSIDE - Chevy Trailblazer SS Forum
 

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Heads/Cam/Intake Manifold/Internals Changing Anything In Your LS2??? Let's See It.

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Old Sep-27-09, 07:37 AM   #1
 
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Default Who is running the Edlebrock Pro-Flo XT? DYNO INFO INSIDE





I need to get a copy of the graph but Quality Motorsports just installed one on a SSR LS2 that had a nasty head cam package (installed elsewhere) that the owner wanted them to install the intake one. Pat (owner of QM), Andy (ADM) and myself were shaking our heads saying the guy was fucking up but Pat agreed to do the conversion for him. The only change to the truck was the intake. Well the short version is Pat, Andy and Myself all looked like dip shits when the install and follow up dyno was done. Pat made 2 VERY MINOR adjustments to the tune after the install. With some more time spent fine tuning for the changes the truck could have made more.

EACH AND EVERY SINGLE H/C PACKAGE TRUCK ON THIS BOARD NEEDS THIS INTAKE FUCKING PERIOD, DONE END OF STATEMENT.


The SSR made 40+ more peak HP and the graph keeps climbing straight up. It never falls off. The fuggin intake climbs until it hits the rev limiter. The peak TQ and low end TQ was exactly the same until about 4000ish when the TQ goes under the curve and in some places under the curve the fuggin intake made 15-20 more TQ.

GD I wish I would have had the chance to use it on "RAGE". I'll get a copy of the graph early next week to add to this thread.







PAGING ALVIN. Talk one of your customers into the intake that has the ATTITUDE CAM and STAGE II (or better heads) and HEADERS. I GARAUNTEE YOU WILL BE SURPRISED.
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Old Sep-27-09, 08:03 AM   #2
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I'm not surprised. The factory truck intakes become a restriction when you start getting into head, cam+ modded trucks.
But alot of people insisted that the factory truck intakes were stout.
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Old Sep-27-09, 08:10 AM   #3
 
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Quote:
Originally Posted by 07SS View Post
alot of people insisted that the factory truck intakes were stout.
ME BEING ONE OF THEM!

I have PROOF OTHERWISE.

Y'all get these fucking things bought and installed. I can't wait to see some ET and MPH improvements from nothing but this intake!
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Old Sep-27-09, 08:16 AM   #4
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I'd love to try one. There is a good bit of power left in the stock intake and believe this would show a great gain also.

Did you guys have to use the fuel rails too? Any other modification needed?
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Old Sep-27-09, 08:26 AM   #5
 
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Quote:
Originally Posted by Alvin View Post
Did you guys have to use the fuel rails too? Any other modification needed?
The customer brought all the parts Pat told him to buy. There is the fuel rail kit and Pat used the words "Conversion Kit" not sure what he meant by that but I will try and get more specific info as to exactly what he was talking about. I suspect it was drive by wire stuff as the intake looks like it comes cable TB fitted.

Dude it FLOORED all 3 of us. We could not believe what we were looking at. Pat never even got agressive with the tuning as the customer was rushing him to leave and so he could drive out of town.



EDIT: Not sure if the TBSS fire wall is as tight on the engine as the SSR (Joe would be the one to answer that) but they had to raise the clearance on the fire wall the OLD FASHION WAY...3lb STANLEY....
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Old Sep-27-09, 08:46 AM   #6
 
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Thobart is running this intake manifold on his boosted setup. I don't think any "massaging" was needed.

Pat, did it raise the powerband up any?? I'd assume so...
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Old Sep-27-09, 09:36 AM   #7
 
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Quote:
Originally Posted by Saladbar View Post
Pat, did it raise the powerband up any?? I'd assume so...
Bro it was the sweetest adjustment to the graph. The typical 6200ish nose off from the intake was gone and it made progressively more HP until it hits the rev limiter.

The TQ curve was essentially unchanged under 3500ish at 4000 plus you could see it also proegressively climb away from the previous the baseline.

It does not SHIFT the power band it EXTENDS the TQ POWER BAND would be a way of saying it. The TQ increase under the curve was HUGE!


I will go out on a LIMB here and GARAUNTEE 40+ HP and a MUCH LONGER TQ CURVE with this intake on every single H/C TBSS with LTH's.

THAT RIGHT THERE SAYS IT ALL!
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Old Sep-27-09, 08:41 PM   #8
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I need a job, and I need one of these.
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Old Sep-27-09, 09:30 PM   #9
 
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Pat, do you think the gains would be in the 20-25 HP range on a stock H/C setup??
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Old Sep-27-09, 09:54 PM   #10
 
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Default It fits fine

Yes you will have to modify the mounting for the TB as it is setup for the stupid edelbrock crap TB. Yes you will have to screw with the fuel rails. If someone is really interested in putting one on I can give them the details:

Here is a pic if you have not seen it yet:



Please do not ask me what it dynos I have an AWD and that is a problem around here (please do not ask why I am tired of all of the issues with Dynos)
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Old Sep-27-09, 09:57 PM   #11

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And what about just a cam, I'm geting very intrested in this intake, around how much for 1 of these and if you can find out what is needed to work on our trucks. Woul greatly appreciate it thanks.
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Old Sep-27-09, 10:13 PM   #12
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Hmmm... wonder if this will work/hinder 400+ cubes? Edelbrock states 262-400...
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Old Sep-28-09, 06:54 AM   #13
 
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I have been seriously considering this intake. I was searching on performance trucks and came across this post. He lost power on the low end, but his truck is turbo.

http://www.performancetrucks.net/for...hlight=pro+flo
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Old Sep-28-09, 06:56 AM   #14
 
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Quote:
Originally Posted by RGV tbss View Post
And what about just a cam, I'm geting very intrested in this intake, around how much for 1 of these and if you can find out what is needed to work on our trucks. Woul greatly appreciate it thanks.
at West Coast Cylinder Heads. He is right up the street from Edelbrock. He sells it for pretty much the discounted price everyone else does. Dont forget you have to get the fuel rails as well.
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Old Sep-28-09, 07:15 AM   #15
 
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I am interested if it will show the same gains with more cubes. If so this will be one of my near future purchases!
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Old Sep-28-09, 08:00 AM   #16
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I would love to run this, but I am runnign stock exhaust and manifolds. I am not so sure it would do me much good until I get headers installed, it might. I might try it for shits and grins later.
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Old Sep-28-09, 09:01 AM   #17

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There is a specific part number for the LS2s. Mike and Jettstream can set you up with the right stuff

I will be running this on my truck if it ever gets done complete with their fuel rail set up. Its already at the shop
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Old Sep-28-09, 10:06 AM   #18
 
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Thobart ...what does yours dyno ? Why are you tired of all the issues with dynos ?



Quote:
Originally Posted by thobart View Post
Yes you will have to modify the mounting for the TB as it is setup for the stupid edelbrock crap TB. Yes you will have to screw with the fuel rails. If someone is really interested in putting one on I can give them the details:

Here is a pic if you have not seen it yet:



Please do not ask me what it dynos I have an AWD and that is a problem around here (please do not ask why I am tired of all of the issues with Dynos)
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Old Sep-28-09, 10:07 AM   #19
 
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7140 - Natural Aluminum Finish
71403 - Black Powdercoated Finish
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Old Sep-28-09, 10:20 AM   #20
 
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I'm waiting on the FAST truck intake.
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