99 2V Dyno'd
Thread Starter
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Former Vendor
Joined: Sep 2000
Posts: 2,627
Likes: 76
From: South Carolina
Hello V10 ners.. Ypipe is installed but have not ran it on dyno yet. So I wont be able to get same day results as I have a 95 Cobra sitting on dyno that I am working on right now.. 
.. I will get to it by Sunday.. and post back..
Sorry again guys for delay.
Mike
.. I will get to it by Sunday.. and post back.. Sorry again guys for delay.
Mike
Thread Starter
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Former Vendor
Joined: Sep 2000
Posts: 2,627
Likes: 76
From: South Carolina
Hi Guys
Here are some runs with the Ypipe. Based on seat of pants and actual numbers a Ypipe is a HP/Trq maker...
10-15 hp & Tq to the ground. With drivetrain loss, I would estimate flywheel numbers for HP/Tq in the 20-30 range. Not bad for a alum pipe.
However a ypipe in a stock tuned truck still has issues making linear power. Truck still has factory exhaust and headers.
see here for larger pics
1999 V10 F350 pictures from rides photos on webshots
Here are some runs with the Ypipe. Based on seat of pants and actual numbers a Ypipe is a HP/Trq maker...
10-15 hp & Tq to the ground. With drivetrain loss, I would estimate flywheel numbers for HP/Tq in the 20-30 range. Not bad for a alum pipe.However a ypipe in a stock tuned truck still has issues making linear power. Truck still has factory exhaust and headers.
see here for larger pics
1999 V10 F350 pictures from rides photos on webshots
Junior User
Joined: Feb 2006
Posts: 77
Likes: 1
From: SLC, UT
Pretty impressive gains once it's tuned properly. I basically have this exact truck/mods and would like to get some software from you. I am in the arid mountains of Utah, what can you do from SC?
TIA
Marcus
TIA
Marcus
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Thread Starter
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Former Vendor
Joined: Sep 2000
Posts: 2,627
Likes: 76
From: South Carolina
Just give me an email or a call...
Mike
Senior User
Joined: Mar 2007
Posts: 169
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So it looks like the tune is the most gain. I am not seeing the 10-15hp gain from the Y on the graphs, I am only seeing about 6hp. I may not be seeing it correctly? Could you please do a CAI test run at your convience?
Senior User
Joined: Dec 2005
Posts: 258
Likes: 0
From: Vancouver BC
increases would be along the same lines percentage wise?
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
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From: Long Island USA
I think with the PI heads, you'd see even more of a result.
The thing is, which year? 2000 with the non-restricted y-pipe? Or 2001-up with the restricted y-pipe?
If I'm not mistaken, the '99 in these dyno tests didn't have a restricted y-pipe in the first place.
Just don't know, until someone dynos it.
For me, I didn't notice a difference in PEAK torque with the eBay ypipe, but that with headers already on the truck. I noticed a big different in light-load, small throttle opening, torque.
Senior User
Joined: Dec 2005
Posts: 258
Likes: 0
From: Vancouver BC
You're asking ME?
I think with the PI heads, you'd see even more of a result.
The thing is, which year? 2000 with the non-restricted y-pipe? Or 2001-up with the restricted y-pipe?
If I'm not mistaken, the '99 in these dyno tests didn't have a restricted y-pipe in the first place.
Just don't know, until someone dynos it.
For me, I didn't notice a difference in PEAK torque with the eBay ypipe, but that with headers already on the truck. I noticed a big different in light-load, small throttle opening, torque.
I think with the PI heads, you'd see even more of a result.
The thing is, which year? 2000 with the non-restricted y-pipe? Or 2001-up with the restricted y-pipe?
If I'm not mistaken, the '99 in these dyno tests didn't have a restricted y-pipe in the first place.
Just don't know, until someone dynos it.
For me, I didn't notice a difference in PEAK torque with the eBay ypipe, but that with headers already on the truck. I noticed a big different in light-load, small throttle opening, torque.
I noticed the increase in low end, & towing as well. I have a superchip set for economy, I'm not sure thats as good as the 5 star equip, but it came with the truck.