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      11-30-2012, 11:17 AM   #309
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Maybe you missed the data they posted? The OEM pump would drop low pressure to 45psi at peak HP. The Walbro holds it at 70psi to peak HP. The siphons, fuel level sender, etc, are all the same as stock. The same amount of fluid is used to run the passenger and drive side siphon as stock as the venturi jet is unchanged and the pressure (which is regulated by the regulator) is unchanged.

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      11-30-2012, 12:22 PM   #310
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The fuel system on the 335 is just that; a system. Any upgrade must be integrated with the other components in the fuel system before it can be considered a true upgrade.
I just noticed many of your posts are about Vishnu, are you an employee there? If so what is your take on why your booster pump is better than a upgraded in tank pump? Those booster pumps used to come with Vortech supercharger kits for GM trucks but everyone would throw them away eventually and put a Walbro in the tank??
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      11-30-2012, 06:26 PM   #311
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What's up Terry!!!!
Hey Shiv!
Lol!!!! Shiv has no need to use my screen name here, he's not banned on this forum as others are. But anyways. It's all in good fun.
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      12-01-2012, 02:27 AM   #312
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I just noticed many of your posts are about Vishnu, are you an employee there? If so what is your take on why your booster pump is better than a upgraded in tank pump? Those booster pumps used to come with Vortech supercharger kits for GM trucks but everyone would throw them away eventually and put a Walbro in the tank??
Disassembly of the stock fuel sending unit is a delicate process, and when it comes down to it, you are essentially breaking it apart to install the pump.

The suction valve at the bottom of the assembly is not regulated at +70 PSI in factory form. Pushing the pressure through it up that high is going to cause failure at some point; but i have no data on that point currently. To add to this note, there is also no sealing surface for it to be completely "fuel tight" at the base when held on by zip ties. -- Imaging having a huge boost leak all before your throttle body because you didn't feel like putting a clamp on the coupler. You would be able to hit boost certainly, but with very little wow effect; and all that leaking boost out of the system is going to cause the turbo to have to work harder to maintain pressure. As a result, it may over-run, and fail prematurely. Another note, the leaking boost around before the TB is also going to cause your boost to fall off at higher RPM as your turbo falls out of its efficiency range. -- Remove the word turbo from all that i previously mentioned, and sub in fuel pump. Remove 'boost leak', and sub 'fuel leak'. Remove TB, and sub 'before your HPFP'.

I think you get the point. The DIY procedure is going to essential cause a fuel leak in the low pressure system which makes the pump work harder, and also causes loss off efficiency as pressures go UP (and the pressure in the LP system is much higher than most any other vehicle in production, period.); this is why you want to leave the stock system intact. The booster pump will NOT cause a leak, and will ONLY raise fuel volume flowing to the HPFP. It gives you complete peace of mind when driving your car on long trips because you know that your stock siphoning valves and fuel regulated systems are 100% fail proof, and that your fuel gauge is accurate.
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      12-01-2012, 02:04 PM   #313
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Disassembly of the stock fuel sending unit is a delicate process, and when it comes down to it, you are essentially breaking it apart to install the pump.

The suction valve at the bottom of the assembly is not regulated at +70 PSI in factory form. Pushing the pressure through it up that high is going to cause failure at some point; but i have no data on that point currently. To add to this note, there is also no sealing surface for it to be completely "fuel tight" at the base when held on by zip ties. -- Imaging having a huge boost leak all before your throttle body because you didn't feel like putting a clamp on the coupler. You would be able to hit boost certainly, but with very little wow effect; and all that leaking boost out of the system is going to cause the turbo to have to work harder to maintain pressure. As a result, it may over-run, and fail prematurely. Another note, the leaking boost around before the TB is also going to cause your boost to fall off at higher RPM as your turbo falls out of its efficiency range. -- Remove the word turbo from all that i previously mentioned, and sub in fuel pump. Remove 'boost leak', and sub 'fuel leak'. Remove TB, and sub 'before your HPFP'.

I think you get the point. The DIY procedure is going to essential cause a fuel leak in the low pressure system which makes the pump work harder, and also causes loss off efficiency as pressures go UP (and the pressure in the LP system is much higher than most any other vehicle in production, period.); this is why you want to leave the stock system intact. The booster pump will NOT cause a leak, and will ONLY raise fuel volume flowing to the HPFP. It gives you complete peace of mind when driving your car on long trips because you know that your stock siphoning valves and fuel regulated systems are 100% fail proof, and that your fuel gauge is accurate.
A lot of propaganda here. My favorite bits are speculation on breaking the suction valve, that your fuel gauge wouldn't work with another solution, and that you need to break the stock LP unit when it is clear you can just drop a Walbro E85 pump in. Ironically the inline booster pump uses a Walbro E85 pump anyway to patch up underperforming stock system. I'd love to see how the pump is cooled (since intank pumps need to be in tank to cool). If it is intank, well then guess who's fuel gauge isn't reading accurately.

Last thing, its already been demonstrated the DIY E85 Walbro holds LP at 100% ethanol and 500+rw on RBs (demands more fuel than single turbos). In fact much past this you will see HP start to fall, indicating the $200 DIY eliminates LP issues.

I guess once we see more details this pump setup could look better, but so far I am unimpressed. I have been waiting for a LPFP upgrade and was honestly expecting a lot more than this. Not just a copy of the DIY Walbro slapped on top of the stock unit. I will wait a little longer for more info and results, but its not looking good!
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      12-01-2012, 02:22 PM   #314
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Disassembly of the stock fuel sending unit is a delicate process, and when it comes down to it, you are essentially breaking it apart to install the pump.

The suction valve at the bottom of the assembly is not regulated at +70 PSI in factory form. Pushing the pressure through it up that high is going to cause failure at some point; but i have no data on that point currently. To add to this note, there is also no sealing surface for it to be completely "fuel tight" at the base when held on by zip ties. -- Imaging having a huge boost leak all before your throttle body because you didn't feel like putting a clamp on the coupler. You would be able to hit boost certainly, but with very little wow effect; and all that leaking boost out of the system is going to cause the turbo to have to work harder to maintain pressure. As a result, it may over-run, and fail prematurely. Another note, the leaking boost around before the TB is also going to cause your boost to fall off at higher RPM as your turbo falls out of its efficiency range. -- Remove the word turbo from all that i previously mentioned, and sub in fuel pump. Remove 'boost leak', and sub 'fuel leak'. Remove TB, and sub 'before your HPFP'.

I think you get the point. The DIY procedure is going to essential cause a fuel leak in the low pressure system which makes the pump work harder, and also causes loss off efficiency as pressures go UP (and the pressure in the LP system is much higher than most any other vehicle in production, period.); this is why you want to leave the stock system intact. The booster pump will NOT cause a leak, and will ONLY raise fuel volume flowing to the HPFP. It gives you complete peace of mind when driving your car on long trips because you know that your stock siphoning valves and fuel regulated systems are 100% fail proof, and that your fuel gauge is accurate.
From what I have seen with the OEM setup the siphon valve sits in position using a plastic ridge, and is held down by the weight of the OEM fuel pump. In the DIY there is a ziptie holding it in that same plastic ridge in addition to the weight of the Walbro pump sitting right on top of it just like the OEM setup. Your concern there is unfounded. If there was an issue then we would see the low fuel pressure drop in logs which none of the 5-6 people who have done the
DIY are seeing. Overall it's been a solid low fuel pressure setup. Different strokes for different folks.

That isn't to say your inline pump can't be a solid setup either. With inline pumps normally they reduce volume / increase wear on the in tank pump when they are not pumping, becuase they become a big restriction. Does yours pump full time or only during wide open throttle?

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      12-01-2012, 02:33 PM   #315
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A lot of propaganda here. My favorite bits are speculation on breaking the suction valve, that your fuel gauge wouldn't work with another solution, and that you need to break the stock LP unit when it is clear you can just drop a Walbro E85 pump in. Ironically the inline booster pump uses a Walbro E85 pump anyway to patch up underperforming stock system. I'd love to see how the pump is cooled (since intank pumps need to be in tank to cool). If it is intank, well then guess who's fuel gauge isn't reading accurately.

Last thing, its already been demonstrated the DIY E85 Walbro holds LP at 100% ethanol and 500+rw on RBs (demands more fuel than single turbos). In fact much past this you will see HP start to fall, indicating the $200 DIY eliminates LP issues.

I guess once we see more details this pump setup could look better, but so far I am unimpressed. I have been waiting for a LPFP upgrade and was honestly expecting a lot more than this. Not just a copy of the DIY Walbro slapped on top of the stock unit. I will wait a little longer for more info and results, but its not looking good!


But just remember Vishnu had been working on this far far longer than when that DIY popped up. A lot of R&D has gone into this and the other fuel system components soon to be discussed, I wouldn't throw this out as a viable option just yet.
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      12-01-2012, 04:49 PM   #316
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To answer a few questions.

Many people were wondering how we were supporting the fuel system on Shiv's car earlier this year. Now everybody knows. We were actually running a prototype version of this system at the shift sector event back in February and have logged approximately 20k miles. This is a heavily tested product.

This has played a crucial role (not the sole reason by any means) in Shiv's car producing over 600 whp on our mustang dyno on 100% e85 without changing methanol nozzles.

Our inline fuel pump remains intank so there are no issues with the pump overheating.

The installation of the fuel pump leaves all factory siphons intact and does not obstruct any of the fuel level sending units.

The fuel pump remains on at all times running variable voltage and reducing the strain on the factory fuel pump.

The efficiency of the Walbro fuel pump is increased at high fuel pressures because it is being fed instead of actually drawing in fuel. Shiv and I have had several conversations with high performance fuel pump engineers on this topic.

I will post this in the other thread as well.
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      12-01-2012, 05:04 PM   #317
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To answer a few questions.

Many people were wondering how we were supporting the fuel system on Shiv's car earlier this year. Now everybody knows. We were actually running a prototype version of this system at the shift sector event back in February and have logged approximately 20k miles. This is a heavily tested product.

This has played a crucial role (not the sole reason by any means) in Shiv's car producing over 600 whp on our mustang dyno on 100% e85 without changing methanol nozzles.

Our inline fuel pump remains intank so there are no issues with the pump overheating.

The installation of the fuel pump leaves all factory siphons intact and does not obstruct any of the fuel level sending units.

The fuel pump remains on at all times running variable voltage and reducing the strain on the factory fuel pump.

The efficiency of the Walbro fuel pump is increased at high fuel pressures because it is being fed instead of actually drawing in fuel. Shiv and I have had several conversations with high performance fuel pump engineers on this topic.

I will post this in the other thread as well.
So the next question is: when will this be released to the single turbo guys?
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      12-01-2012, 08:37 PM   #318
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This is a short video I put together for the single turbo system that has a few clips of single turbo powered 335's at the shift sector event.

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      12-01-2012, 10:09 PM   #319
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lol .. "im just gonna leave this here"

excellent showcase!
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      12-01-2012, 10:09 PM   #320
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This is a short video I put together for the single turbo system that has a few clips of single turbo powered 335's at the shift sector event.

Hey Sean, which RB car was that? There were only 2 at the event, mine and the gray one. That wasn't either one
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      12-01-2012, 10:44 PM   #321
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Hey Sean, which RB car was that? There were only 2 at the event, mine and the gray one. That wasn't either one

Unfortunately I do not know. I only received the videos titled as (car description) vs (car description) as the name of the video and a text document with notes on how the car was performing during each pass.
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      12-02-2012, 01:33 AM   #322
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Hey Sean, which RB car was that? There were only 2 at the event, mine and the gray one. That wasn't either one

Unfortunately I do not know. I only received the videos titled as (car description) vs (car description) as the name of the video and a text document with notes on how the car was performing during each pass.
I see... Well, just letting u know that wasn't an RB car maybe an FBO...
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      12-02-2012, 01:59 AM   #323
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Hey Sean, which RB car was that? There were only 2 at the event, mine and the gray one. That wasn't either one

Unfortunately I do not know. I only received the videos titled as (car description) vs (car description) as the name of the video and a text document with notes on how the car was performing during each pass.
I see... Well, just letting u know that wasn't an RB car maybe an FBO...
Sick that was the grey (Silver) one. It was the Asian guy at the event the first day. Sorry I forgot his name, I think SRanch????? Maybe. Either way not sure of the specifics of the race but it was a RB car.
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      12-02-2012, 12:35 PM   #324
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Originally Posted by Sick335
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Originally Posted by Sean@FFTEC
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Originally Posted by Sick335 View Post
Hey Sean, which RB car was that? There were only 2 at the event, mine and the gray one. That wasn't either one

Unfortunately I do not know. I only received the videos titled as (car description) vs (car description) as the name of the video and a text document with notes on how the car was performing during each pass.
I see... Well, just letting u know that wasn't an RB car maybe an FBO...
Sick that was the grey (Silver) one. It was the Asian guy at the event the first day. Sorry I forgot his name, I think SRanch????? Maybe. Either way not sure of the specifics of the race but it was a RB car.
I must be going blind could have sworn the first time i watched it, it was white. That is Sranch, impressive pull up top, not unexpected tho
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      12-02-2012, 12:38 PM   #325
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I must be going blind could have sworn the first time i watched it, it was white. That is Sranch, impressive pull up top, not unexpected tho
I heard it was one of those botched start runs where Sranch didn't even know they were racing until he was passed by...

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      12-02-2012, 03:07 PM   #326
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I must be going blind could have sworn the first time i watched it, it was white. That is Sranch, impressive pull up top, not unexpected tho
I heard it was one of those botched start runs where Sranch didn't even know they were racing until he was passed by...

Mike
Anything is possible. Depending on which turbo was in the camera car. But yea, either way a single wont pull that hard off of an even start. If anything RB will jump ahead, and the single would catch and pass up top,
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      12-02-2012, 03:10 PM   #327
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Anything is possible. Depending on which turbo was in the camera car. But yea, either way a single wont pull that hard off of an even start. If anything RB will jump ahead, and the single would catch and pass up top,
The turbo in the single's car was the 5858
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      12-02-2012, 03:20 PM   #328
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The turbo in the single's car was the 5858
Either way, RB power levels already reach the limits of traction even off of a 60mph roll, so unless RB lost traction, or the single jumped hard, that looked pretty weird...
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      12-02-2012, 07:25 PM   #329
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I think we all need to wait for the 6AT fix before we assume what a Single can do vs an RB car. The singles are being dialed back due to the Trans at this point.

Just imagine a 650whp with a 6AT that holds the power.
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      12-02-2012, 11:29 PM   #330
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This is a short video I put together for the single turbo system that has a few clips of single turbo powered 335's at the shift sector event.
Sweet video but why did you only show the races where FFTEC came out on top???
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