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#1 TorqueSteer

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Posted 24 December 2005 - 03:16 AM

Im looking into ordering the VMS FPR http://www.volvomoto...04d5cac5f071e5a

Im hoping that being able to play with the fuel pressure will allow me to lean my mixture a bit, as im running low 11's in the AFR even at 20 pounds of boost on the speedtuning chip. Just wondering what your guys thoughts are about their new product.

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#2 Slater

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Posted 24 December 2005 - 03:37 AM

FPR is about the crudest way to control fuel, and is not precise at all. ECU tuning is obviously the best way. For the cost of a decent FPR you can get a remap that will be able to maintain a perfect AR across your entire powerband, not a hit or miss solution.

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#3 850drag

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Posted 24 December 2005 - 03:56 AM

QUOTE(TorqueSteer @ Dec 23 2005, 07:16 PM)  
Im looking into ordering the VMS FPR http://www.volvomoto...04d5cac5f071e5a

Im hoping that being able to play with the fuel pressure will allow me to lean my mixture a bit, as im running low 11's in the AFR even at 20 pounds of boost on the speedtuning chip. Just wondering what your guys thoughts are about their new product.


I am currently running a 4 bar fuel pressure regulator and Let me tell you I am running so rich you can smell it on the plugs. Mine however is not adjustable. I wish I would have gone adjustable. It would have made life alot easier. We are sending one of these to Michiel Nouwens for his vms motor which should help him get the fine fuel to air ratio that can help him out with his 500+hp project.
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#4 BlackT5

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Posted 24 December 2005 - 07:07 AM

so it's a rising rate FPR?

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#5 Oele

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Posted 24 December 2005 - 01:02 PM

QUOTE(850drag @ Dec 24 2005, 04:56 AM)  
I am currently running a 4 bar fuel pressure regulator and Let me tell you I am running so rich you can smell it on the plugs. Mine however is not adjustable. I wish I would have gone adjustable. It would have made life alot easier. We are sending one of these to Michiel Nouwens for his vms motor which should help him get the fine fuel to air ratio that can help him out with his 500+hp project.


Thank Aaron,

This weekend I am swapping engines in my 2 T5's... ;-)

Very very exiting...
Stock on the outside..

#6 TorqueSteer

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Posted 24 December 2005 - 01:24 PM

QUOTE(Slater @ Dec 23 2005, 10:37 PM)  
FPR is about the crudest way to control fuel, and is not precise at all. ECU tuning is obviously the best way. For the cost of a decent FPR you can get a remap that will be able to maintain a perfect AR across your entire powerband, not a hit or miss solution.


I hoping to go to the Civinco Engine Management in the near future if all goes well, so im looking for a temporary solution to play around with while I have the speedtuning ecu.

CURRENT: Chrysler 300c SRT8

 

SOLD:

 

1995 850 Turbo | Hahn Racecraft Td05-Super 16g Turbo | 3" turboback exhaust | Water/ Methanol Injection | Custom FMIC | NA Cams | HKS SSQV BOV | Civinco Piggyback EMS | Walbro 255 LPH Fuel Pump | Innovate LM-1 A/F Meter | Koni Coilovers | QBM Endlinks | IPD Sway Bars | Profec B EBC | Bi-xenon Projector Retrofit | Matte Red Paint Finish.
 


#7 850drag

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Posted 24 December 2005 - 03:21 PM

QUOTE(BlackT5 @ Dec 23 2005, 11:07 PM)  
so it's a rising rate FPR?



it is a fully adjustable up to 85psi with the tubing ect to mount it any where you want.

QUOTE(TorqueSteer @ Dec 24 2005, 05:24 AM)  
I hoping to go to the Civinco Engine Management in the near future if all goes well, so im looking for a temporary solution to play around with while I have the speedtuning ecu.



Oh and I forgot to tell I had a stock ecu. so you could use it with your ecu you have know wiht no problem.

QUOTE(Michiel Nouwens @ Dec 24 2005, 05:02 AM)  
Thank Aaron,

This weekend I am swapping engines in my 2 T5's... ;-)

Very very exiting...


Good luck, if you have any questions about anything Gives us a call or pm me.
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#8 BlackT5

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Posted 24 December 2005 - 05:02 PM

is it rising rate or linear?

1998 S70 T5M - Project BlackT5                                             1998 V70R - Sold     
2000 V70R - B5234T3 & M66 swapped                                1998 XC70 - Sold   
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2004 S60R - Stripped
1996 855 T5M - Parts?


#9 850drag

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Posted 24 December 2005 - 08:29 PM

QUOTE(BlackT5 @ Dec 24 2005, 09:02 AM)  
is it rising rate or linear?



I think its rising, But I will have to double check.
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#10 Johann

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Posted 24 December 2005 - 10:13 PM



Same thing, non custom VMS color..

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#11 VolvoWill

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Posted 24 December 2005 - 10:38 PM

I am going to be adjusting my fuel with an Apexi SAFCII. I have the Innovative motorsports wideband.

#12 TorqueSteer

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Posted 24 December 2005 - 10:54 PM

QUOTE(VolvoWill @ Dec 24 2005, 05:38 PM)  
I am going to be adjusting my fuel with an Apexi SAFCII. I have the Innovative motorsports wideband.


laugh.gif

CURRENT: Chrysler 300c SRT8

 

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1995 850 Turbo | Hahn Racecraft Td05-Super 16g Turbo | 3" turboback exhaust | Water/ Methanol Injection | Custom FMIC | NA Cams | HKS SSQV BOV | Civinco Piggyback EMS | Walbro 255 LPH Fuel Pump | Innovate LM-1 A/F Meter | Koni Coilovers | QBM Endlinks | IPD Sway Bars | Profec B EBC | Bi-xenon Projector Retrofit | Matte Red Paint Finish.
 


#13 VolvoWill

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Posted 25 December 2005 - 12:16 AM

just watch honkey ph34r.gif

#14 ccsct203

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Posted 25 December 2005 - 01:41 AM

I would say not to waste your money or time.
I installed a RRFPR and I find that the O2 sensor will send a rich or a lean signal to the ECU and the ECU will just adjust to keep the air fuel ratio around 14.7:1.
I found that it's very quick learning too, in a matter of seconds.
I'm working on a way to adjust the ratio in a novel way. At a preset MAF output voltage, disconnect the O2 sensor and the "limp home mode" should be richer then you would want. To adjust the rich condition I will next feed the MAF input to ECU as a lower false input. If this false voltage is adjusted based on a custom map, then the ECU will give the required results.
I have the circuit drawn out just waiting on some electronics. I should have it running within a month.
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#15 Slater

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Posted 26 December 2005 - 01:52 PM

QUOTE(850drag @ Dec 23 2005, 10:56 PM)  
I am currently running a 4 bar fuel pressure regulator and Let me tell you I am running so rich you can smell it on the plugs. Mine however is not adjustable. I wish I would have gone adjustable. It would have made life alot easier. We are sending one of these to Michiel Nouwens for his vms motor which should help him get the fine fuel to air ratio that can help him out with his 500+hp project.


You don't have the "typical" setup. 95% of the people asking about this upgrade have a relatively stock engine with minor mods and a chip. For them the FPR is a waste.

http://www.quickbrickmotorsports.com/

'95 850 T-5R wagon, '95 850 NA sedan (RIP[ieces]), '01 V70 wagon

#16 550

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Posted 26 December 2005 - 03:28 PM

hey, looks linear to me... RRFPR would have a line from it going to the manifold so it knew how much boost pressure was there.
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#17 850drag

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Posted 26 December 2005 - 09:41 PM

QUOTE(Slater @ Dec 26 2005, 05:52 AM)  
You don't have the "typical" setup. 95% of the people asking about this upgrade have a relatively stock engine with minor mods and a chip. For them the FPR is a waste.


true but I am also thinking in long terms for him, as he mentioned he might be later on adding more upgrades to his vehicle.
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#18 chaze1385

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Posted 27 December 2005 - 04:39 PM

You know those regulators from VMS are nothing special. They can be had for about 1/4 of that price. this look familiar



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#19 550

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Posted 27 December 2005 - 05:05 PM

hehe, non volvo specific? NO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
I fail to believe it.

So that is not rising rate right? Just yer normal everyday adjustable FPR.
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#20 Slater

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Posted 28 December 2005 - 03:17 AM

QUOTE(550 @ Dec 27 2005, 12:05 PM)  
hehe, non volvo specific? NO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
I fail to believe it.

So that is not rising rate right? Just yer normal everyday adjustable FPR.


FYI a lot of aftermarket FPRs are rising rate (AEM, some OE Bosch, etc). Pretty common stuff.

http://www.quickbrickmotorsports.com/

'95 850 T-5R wagon, '95 850 NA sedan (RIP[ieces]), '01 V70 wagon






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