i think i'm in need more fuel for the 3's - Diesel Forum

tubzz · 11-20-2005, 12:04 PM

i dyno yesturday.i did 3 runs in 3 diffent settings and did 450hp in all 3 runs.
1. stageII tow 450 hp
2. luke4 450.2 hp
3. dragon slayer 450.1hp

i have bdp fuel system and still have the selector valve.i think it time to sump the front tank and run the back tank to the front tank.or just put a bronco tank in and run on one tank.
this was a big thing a few years ago and the guys that was doin it.i don't think are on here any more.but by chance does any body have a link to a how to?or to the old post about this?i have been lost in the site search nothing come up.
(their is in no way nothing wrong with beans system and it will be going on the wifes truck.i just out growed it,which he told i would)

AlanB · 11-20-2005, 12:25 PM

What do you have your fuel pressure set at and was you losing fuel pressure?

Powerstroke2000 · 11-20-2005, 12:32 PM

Interesting Terry!

What size are your Stage III's Terry? Are they the Hybrids, as I just haven't heard much on the BDP's as to whether Ryan's stage III's are Hybrids? Maybe all stage III's are Hybrids...don't know? [img]/ubbthreads/images/graemlins/shrug.gif[/img]

My initial thoughts would be that for the mods you currently have, that you Should be putting out more HP than you are, but you may be correct regarding the need for additional fuel for your current injectors.
There have been Superduty owners in the past with similar mods (but using the Garrett BB turbo) making just over 500 RWHP, so I would think they would have perhaps had a larger fuel system? [img]/ubbthreads/images/graemlins/shrug.gif[/img]
This was also before the invent of the high end HPOP's of today, which you have of course.
I wonder if there is more to be had with regard to programming? I would think that refinements in todays programming should be better than in days of past, so this makes me think that its either your fuel system or programming holding back on the HP showing up.
Perhaps a trip to DP-Tuner is in your future, where they set up all the equipment - take the truck for a ride - make settings on the fly for perfected HP gains per your own unique mods? [img]/ubbthreads/images/graemlins/shrug.gif[/img] [img]/ubbthreads/images/graemlins/grin.gif[/img]

There again, I'm sure you don't want to surpass the point at which you will be compromising engine reliability (hole in the block syndrome) and the 500+ RWHP seems to be about at that level by what I've read in the past. Even at that, it seems that head studs are a good idea for those of us that don't have them, but might be looking for the high end of the power spectrum.

It's interesting how those three runs where so consistant (one you should be happy with of course) as it does show that the HP output is a true level at which your truck seems to put to the ground.

Not sure if any of this helps, but I thought I would throw in my .02 cents.

Best of luck in your quest for the higher levels Terry!

Dale

jna · 11-20-2005, 12:38 PM

so you getting 450 on each setting (where supposedly its increasing fuel on each setting) means that it has max out on fuel delivery? Well thats pretty cool to know exactly where the limit of that fuel system is. I would say you are maxing out its potential with your big injectors, turbo and oil. I mean there is still a chance that it can put out more hp with different setups or injectors, but i think it would be very hard.

so its fair to say bdp good up to 450 hp!

Moremph · 11-20-2005, 12:45 PM

I think ya need a bigger fuel system, The SD have been fairly consistent in making 430-450 on the stock fuel pump, anything more then that they have to upgrade to a larger pump setup. What kind of pressure drop are you seeing? Freeing upo the syswtem by sumping may help some, however i feel if ya wanna keep going in the HP game it is time to go BIG FUEl, like an aeromotive system.

Travis

gtspowerstroke · 11-20-2005, 12:56 PM

[ QUOTE ]
What do you have your fuel pressure set at and was you losing fuel pressure?

[/ QUOTE ]

My thoughts exactly. Do you have a fuel pressure gauge to see if the fuel pressure is dropping?

blowby · 11-20-2005, 04:48 PM

Terry,

If you're still using the OEM pump the pressure will drop dramaticly. I dynoed and watched the gauge drop about 15psi during the run. Switched the the SX Sump kit from DI and can't make the needle even twitch from my set pressure. What did the smoke look like after the turbo got up to boost? This might tell you a lot.

swh22 · 11-20-2005, 06:24 PM

shoot me a PM with your email address and I'll send you GSP's posts in .txt format. I did my system pretty similar to what he described except for the dual SD pumps, so let me know if you have any questions.

another thought, does the chip feel different on the street in the 3 settings? if not then the chip might not be switching. sounds like you need to upgrade fuel systems anyway though.

Steve

radarman · 11-20-2005, 07:05 PM

[ QUOTE ]
i have bdp fuel system and still have the selector valve.

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BDP fuel system can't keep up with stage3's? That dont sound right. I thought that system is supposed to be able to handle most anything up to 530's? Hmmm..

Reading Beans web site, it says the pump is an electric 99+ pump. How about running dual pumps in parallel? Also, what is your fuel regulator set at? Maybe try bumping up the pressure?

75f100 · 11-20-2005, 07:49 PM

[ QUOTE ]
does any body have a link to a how to?

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here

congrates on the #'s too. [img]/ubbthreads/images/graemlins/wink.gif[/img]

lukecline · 11-20-2005, 08:54 PM

im running bdp system with 2 pumps in parallel. I dont have a fp gauge so i cant tell you how teh pressure is holdin.

luke

tubzz · 11-20-2005, 09:13 PM

my fuel pressure is set at 60lbs because of the filters.didn't get to see how much the pressure was dropping. some of the guys got video of my runs and smoke.i was on the other side of the truck watching the graph.

yes dale,the stage3's are hybrid's and the programming i have just got here the day before from tony.he has been doing the tuning on it.

i read some where that BDP fuel system is good for about 400hp
and bean told me when i order the 3's that i would have to get more fuel.so it is not a suprize and the wife is happy that she is getting my fuel system.

i thought about a dualpump system.that is what luke has done.but i think i would rather just do a system with one big pump.i just don't like the idea of loosing one of my tanks.but if it has to go then its gone.

my chip feels differnt in the setting but i have only about 100 miles on it with the knew testing tunes.just got it running the drive to the dyno was my get the air out of the system drive.

thanks guys for all the ideas and keep them coming.and as soon as i get a video or pic i will let you know and send them out to who ever wants to watch

CharlieII · 11-20-2005, 09:20 PM

Sorry if I'm just out of it, I didn't read the whole thread, but with my stock 99 electric pump with reg. return, I was fine with the 175's, but when I switched to the hybrids I dropped from 68psi to under 20psi everytime I stayed in it longer than about 3 seconds or so. My gauge is in the dash right where the ESOTF would be so I can easily watch it while at WOT. After I installed the SX pump and line kit it doesn't flinch from 68psi no matter what I do to it.

.02

Charlie

BIGBEAN · 11-20-2005, 09:35 PM

Need to clear some things up,

Terry, you do not have hybrids, those are 230cc a-code injectors, you have pumps so why do hybrids?

Fuel system, bdp fuel system is more of a stock replacement, good for up to Stage II's, any more and you need more pump.

Terry, get some more fuel to those puppys and you will be upper 400's.

tubzz · 11-20-2005, 10:01 PM

thanks for clearing the hybrids thing up.we did talk about that when i ordered them i should of remembered [img]/ubbthreads/images/graemlins/confused.gif[/img]
when i post that i went to your web sight and read this:
Stage III injectors- These are 230cc hybrid injectors

sorry for the mess up on that dale.