JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. Pressure is set by the regulator--not the pump. Flow will decrease somewhat as flow increases. See chart provided for each pump. All GSL pumps have the same exact dimensions and threading.

If you are looking for a upgrade fuel pump intended for turbocharged, supercharged engines. You should consider using a Walbro LPH high pressure pump. The GSL has been extensively used for High performance and Racing applications, and is the most popular universal external pump. Inline fuel pump specs: - OE-proven second generation. Add to Cart. Vehicles with faulty inline fuel pumps.

Vehicles with expensive or hard to replace in-tank fuel pumps. Vehicles with stock OEM replacement. Vehicles used for racing or performance purposes where higher pressure fuel is necessary, such as GSL at LPH Universal and custom built fuel systems.

Filter Per customer needs:Specified by application. Walbro GCL Walbro 7. Intank Converter Filter.Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community. Please make sure that you are posting in the form of a question. Please enter a question. Inline fuel pump specs OE-proven second generation Fits most EFI applications including turbo and supercharged Variety of pressures and flows available, including high pressure performance All metal shell including inlet and outlet 10mm x 1mm threaded inlet and outlet accept a variety of fittings Lightweight, compact design QS certified.

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Adding to Cart Added to Cart. Not Added. Item is in your Cart. View Cart Proceed to checkout. We do not have any recommendations at this time. Image Unavailable Image not available for Color:. Brand: Walbro.Holiday shipping notice: Order now to avoid delays! Learn more. If you are an international customer who ships to a US address choose "United States delivery" and we will estimate your ship dates accordingly. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here.

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walbro gsl393

Part Type: Fuel Pumps. Fuel Pump Type: Electric external. Fuel Pump Voltage: 12 V. Fuel Pressure psi : 50 psi.

walbro gsl393

Fuel Pressure Regulator Included: No. Sending Unit Included: No. Inlet Size: 10mm x 1. Inlet Quantity: One. Inlet Attachment: Female threads. Outlet Size: 10mm x 1. Outlet Quantity: One. Outlet Attachment: Female threads. Gasket Included: No. Wiring Harness Included: No. Mounting Bracket Included: No.

Mounting Hardware Included: No. Pulley Included: No. Quantity: Sold individually. Notes: Typical pressure rating is Walbro high-pressure inline fuel pumps have a lightweight, compact design that fits most EFI applications, including turbo and supercharged, and are QS certified.

They're ideal as universal fuel pumps for replacement, racing, or performance purposes where higher pressure fuel is necessary. So, when it comes to your fuel delivery needs, you can depend on Walbro! I have a Customer Service question order, shipping, returns, etc. I would like to ask other customers a question about this Product.

Answer This Question. Thank you for your question. Summit Racing Answer - March 19, JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. Walbro universal fuel pump GSL is one of the most popular fuel pumps made by Walbro.

Turbocharged, Supercharged. For example, at 80 PSI the standard lph pump will flow around liters 35 gallons per hour. At that same 80 PSI the equivalent HP high pressure fuel pump will flow over liters 50 gallons per hour. This pump should never be operated without a fuel filter between the tank and the pump. This pre-filter should be to microns. Additionally, almost all applications require a micron post-filter between the fuel pump and the fuel rail.

Putting just a micron filter before the pump is not recommended. The Holley filter can be disassembled and cleaned or the entire filter media renewed. Walbro inline fuel pumps are ideal universal fuel pump replacements and upgrades for:. Be the first to review this product. In stock. Add to Cart. Skip to the end of the images gallery. Skip to the beginning of the images gallery. More Information. Value 1 star 2 stars 3 stars 4 stars 5 stars. Price 1 star 2 stars 3 stars 4 stars 5 stars.

Submit Review.It turned out that productivity indeed improved (under the experimental conditions). However, the study is call of duty warzone red access card bunker locations criticized today for errors in experimental procedures, specifically for the lack of a control group and blindness.

The Hawthorne effect refers to finding that an outcome (in this case, worker productivity) changed due to observation itself. Those in the Hawthorne study became more productive not because the lighting was changed but because they were being observed. This type of study typically uses a survey to collect observations about the area of interest and then performs statistical analysis.

In this case, the researchers would collect observations of both smokers and non-smokers, perhaps through a cohort study, and then look for the number of cases of lung cancer in each group. Various attempts have been made to produce a taxonomy of levels of measurement. The psychophysicist Stanley Smith Stevens defined nominal, ordinal, interval, and ratio scales. Nominal measurements do not have meaningful rank order among values, and permit any one-to-one transformation. Ordinal measurements have imprecise differences between consecutive values, but have a meaningful order to those values, and permit any order-preserving transformation.

Interval measurements have meaningful distances between measurements defined, but the zero value is arbitrary (as in the case with longitude and temperature measurements in Celsius or Fahrenheit), and permit any linear transformation. Ratio measurements have both a meaningful zero value and the distances between different measurements defined, and permit any rescaling transformation.

Because variables conforming only to nominal or ordinal measurements cannot be reasonably measured numerically, sometimes they are grouped together as categorical variables, whereas ratio and interval measurements are grouped together as quantitative variables, which can be either discrete or continuous, due to their numerical nature. Such distinctions can often be loosely correlated with data type in computer science, in that dichotomous categorical variables may be represented with the Boolean data type, polytomous categorical variables with arbitrarily assigned integers in the integral data type, and continuous variables with the real data type involving floating point computation.

But the mapping of computer science data types to statistical data types depends on which categorization of the latter is being implemented.

Other categorizations have been proposed. Whether or not a transformation is sensible to contemplate depends on the question one is trying to answer" (Hand, 2004, p. The probability distribution of the statistic, though, may have unknown parameters. Commonly used estimators include sample mean, unbiased sample variance and sample covariance.

WALBRO GSL SERIES UNIVERSAL INLINE FUEL PUMPS

Widely used pivots include the z-score, the chi square statistic and Student's t-value. Between two estimators of a given parameter, the one with lower mean squared error is said to be more efficient. Furthermore, an estimator is said to be unbiased if its expected value is equal to the true value of the unknown parameter being estimated, and asymptotically unbiased if its expected value converges at the limit to the true value of such parameter. Other desirable properties for estimators include: UMVUE estimators that have the lowest variance for all possible values of the parameter to be estimated (this is usually an easier property to verify than efficiency) and consistent estimators which converges in probability to the true value of such parameter.

This still leaves the question of how to obtain estimators in a given situation and carry the computation, several methods have been proposed: the method of moments, the maximum likelihood method, the least squares method and the more recent method of estimating equations. Interpretation of statistical information can often involve the development of a null hypothesis which is usually (but not necessarily) that no relationship exists among variables or that no change occurred over time.

The null hypothesis, H0, asserts that the defendant is innocent, whereas the alternative hypothesis, H1, asserts that the defendant is guilty.Our experience with Nordic Vistor agent Alexandra was exceptional, emails were answered quickly and all questions were covered.

Our face to face meeting with her was warm, friendly and helpful for the last minute questions we had. We have already recommended Nordic Vistor agency to many of our friends. Thank you Nordic Visitor for a worry-free trip, for always being available (just a phone call away) and for making our trip memorable and so pleasant. Alexandra was specially helpful. She is responsible for the success of this trip. Always prompt answers replying exactly what I have asked (and I asked a lot of questions).

When asked for an opinion she was very straightforward and her tips proved to be very good. She even went the extra mile when I asked for a translation in Icelandic for a surprise I prepared for my wife. Her work was very much appreciated. I love your office. We stopped by to drop off the cell phone at the end of our tour and unfortunately was unable to meet Alexandra - I would have liked to thank her in person for helping us arrange such and amazing and memorable trip.

Everybody at Nordic Visitor was so friendly and helpful. Really I couldn't have asked for a better time in Iceland. What a great country. My husband, a friend and I recently completed the "Express Iceland" self-drive tour and had an unbelievable time. Working with Nordic Visitor exceeded all of our expectations.

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I wish Nordic Visitor serviced the entire globe. In other words, it's everything you need and more to ensure you have fun and peace of mind when traveling this beautiful and rugged country. It's great value for the money spent. They handled our special requests (adding an extra day and changing our party size) promptly and happily.

We did our own independent research yet it overlapped with most of what Nordic Visitor gave us. We were all impressed with the quality and quantity of information that we received once we booked the self-drive package. Yet we were blown away by the packets of info we received when we arrived. Nordic Visitor provided a printed copy of the day-by-day itinerary and the site highlights book they had emailed us.

They had a voucher for all of our package features (rental car, accommodations, airport transfer) so all we did at each location was hand them a voucher - so easy.

The cell phone had Nordic Visitor saved in the contacts. The GPS had the key sites and some of the hotels already loaded. The road map of Iceland was color coded and the location of each accommodation was circled with the name and date of check-in written in.

There was a book with details of every city and site with driving info. They thought of every detail so we d chengelh34, United States Express Iceland, May 2013 A great self-drive circle of Iceland with Nordic Visitor. We would highly recommend the self-drive trip around the Ring Road as arranged by Nordic Visitor. The country is spectacular!. It was easy for us because all the accommodations were arranged and were great.

There was a detailed itinerary and information, back-up systems if needed, and quick and thorough service from Hilmar in the office.

I would love to have taken 2 weeks instead of one to really absorb the country but what we experienced in beauty, natural phenomenon, and nice people made for a terrific vacation.In particular, we really enjoyed Hotel 13.

We could not have asked for a better travel agent. When my wife developed an emergency medical problem and we had to delay our trip by 3 days, Petra made all the adjustments without skipping a beat.

She secured refunds on everything that she could. The service provided by Nordic Visitor was excellent and we had one of the best and most enjoyable holidays we have ever had.

walbro gsl393

It was a pity that the offices have moved out of the centre of Reykjavik as we would have liked to have visited to thank Klara in person. The self-drive tour was wonderful for us.

It meant that we did not have to plan ourselves, and were advised of the best things to see along the way. However we still had the freedom to chose other things. All the accommodation was fantastic. The tour was very well organised and everything went very smoothly. The hire car was excellent (essentially brand new). All of the services provided were of a good standard. We thoroughly enjoyed our Scottish holiday, and many thanks to Christoph for his assistance. I am definitely letting my friends know how wonderful your company is and how it makes your stay in Iceland that much more enjoyable.

This tour is a perfect tour for a 'taste' of Iceland. But it leaves us hungry for more. Nordic Visitor made visiting Iceland very easy. Since some locations were in unpopulated areas we would have found it hard to choose where to stay. NV made the whole trip very stress-free. Margret was awesome to work with. Very responsive, very helpful even once we got there.

A trip we will never forget. The guest houses and hotels were awesome, and the activities were great. Rental car was awesome and it was overall a fantastic trip. On our trip, we met a few other Americans. Told them about Nordic Visitor and they were impressed.

I found Nordic Visitor's website very user-friendly. I love that all the documents sent was super easy to just hand the concierge and the 2 excursions we booked already had our names down.

I loved the 2 excursions in the package we chose. Overall, it exceeded my expectations and I'm so glad I chose this particular trip. We booked a couple tours outside of Nordic Visitor and saw a huge difference between what you booked and what we booked ourselves. The quality of the tours from Nordic Visitor were so much better than what we booked on our own. We quickly regretted not working with you for our last minute additions. Hanna was great to work with and very accommodating with our requests.

We recommended Nordic Visitor to many people we chatted with on our trip. Thanks for a great trip. Even though all bookings were done by internet the process seemed very personal and I had every confidence that arrangements would be carried out without any hassles.

The trip was absolutely amazing and we had the time of our lives. Everything that Nordic Visitor arranged went perfectly and we had no issues whatsoever.