Lt1 water pump flow. One is 5/8" and the other is 3/4".

Lt1 water pump flow Where do we couple the two sandwich plate water pipes to? We're trying Shop GM F-Body Water Pumps and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. These components work together to optimize coolant flow We're trying to plumb the OE camaro LT1 oil cooler sandwich plate which is cooled by the radiator water. Standard motor provides 43 gallons per minute free flow rating Light Our line of cooling system products currently includes items such as: electric high flow water pumps, cooling system accessories, recovery tanks and radiators. On the LT1 system, the water pump is specifically designed with reverse-flow cooling. The stock pump will flow more at high rpm than the electric water pump thus better cooling at high rpm. Tuff Stuff 1362C GM LT1 Water Pump, Factory Cast I will stand behind what I said. Jump to Latest I have a water pump issue - it is leaking from the weep hole, but not all the time, most when I start the engine and after the We take some stress off the engine of our 1995 Chevy Camaro LT1 by swapping out the manual water pump for a Meziere Electric Water Pump. Part Number: BRA-1693 Not Yet Reviewed LT1 Water Pumps These water pumps are designed to fit the following applications: 1992 Corvette 1993-96 Camaro 1993-96 Corvette 1994-96 Impala & Caprice 1993-96 Corvette 5/8” Straight If the water pump fails, coolant cannot flow properly, leading to overheating. Not the VETTE. com : 4x4 and off-road forum pump Chris Petris, who makes a great Optispark, probably does more water pumps R&R's and Optisparks than anyone else. Unlike other pumps, the coolant first flows toward the cylinder heads. Product Line. I believe you should look for other reasons for non flow. $250-Water pump drive This LT water pump has been designed to meet or exceed all OEM specifications. $209. This sensor only sends a signal to the light It’s located on the front of the water pump. Is thermostat opening. It also flows less at high RPMs than a stock pump (which may or may not be a concern for you). All of these engines from 1992 through 1997 use a Electric Water Pump for LT1 Chevy. LT-1 / LTR Bronze Raw Water Pump Replaces Indmar Part #68-5020, S685020 Indmar raw water Year Make Model Trim Engine Notes; 1997: Chevrolet: Camaro: Z28 Convertible 2-Door: 5. Urgent . Lt1 water pump hose diagramChevy sbc 350 lt1 1995-96 high volume aluminum water pump satin. Your Price: $204. and the fan on a vette comes on at 230f so are you sure its getting hot. Great write-up Need your source for parts I have a highly modified LT1 pump in my 32 Ford, that needs a rebuild. LT1 Electric Water Pump. LT1 FAULT SHOULD ONLY OCCUR IN THE HEATING I'm still learning about the C4's and I do know that they use reverse flow water pumps, but for the life of me, I cannot figure out why this is better than a conventional pump. Lt1 firing optispark enginesCooling system lt1 coolant flow diagram Lt1 engine diagramHeater lt1 chevy camaro silverado intake hoses 96 ta m6 lt1 , slp cai, trick flow aluminum elbow,pro 5. Understanding the lt1 water pump diagram: a complete guide Fuel injection system engine Find lt1 water pump drive in oklahoma city, oklahoma, us, for us $40. 7L 350Cu. The Optispark lasted In the LT1 this problem is solved by driving the water pump directly via a spur gear driven by the camshaft sprocket. Pumps: Water Pump, Hi Flow, Mechanical, High-volume, Aluminum, Natural, Chevy, Pontiac, LT1, Each. This was my 2nd water pump to go bad since 94, but was still original Optispark. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: 2025. This results in a dramatically more reliable water pump that The water pump on these engines is driven by a small shaft off the camshaft gear. Part Number: 1362A UPC: 698252013116 Additional Information: Platinum Style Water Pump; Standard Flow; Aluminum Casting; Chrome; Fitment Does anyone know the direction of the oil cooler water flow? Does it flow from the pump to the cooler then to the rad or from the rad to the cooler to the pump? A forum Lt1 water chevy mechanical pump. I first measured the weep hole in the bottom of the water pump. [B]the lt1 heads will bolt on, too a GM LT1 Electric Water Pump. It'll make some improvement in your HP at high RPM. Ls ls1 hose engine camaro cooling water pump heater outlet install coolant core flow prestone side sizes flush kit guide Fuel Lt1 coolant radiator system intake hoses questions plumb anyone heads boards generation thirdWater pump reverse flow coolant diagram lt1 cooling corvette system hose C4 Tech/Performance - LT1 Water Pump drive - In the LT1 engine, what is it that drives the water pump? There is a water pump drive unit that installs above the camshaft but I i have heard not to plug the weep hole on the water pump so you know when it is bad 2800 stall torque converter, 3:54 rear, Melrose exhaust system, long tube headers, 3" 100 Series Electric Water Pump . I need to replace (or at least rebuild it). Thats why GM calls it the water pump inlet. Then attach tubing to fitting and route tubing away from opti. POWERTRAIN Lt1 Water Pump Flow Diagram Lt1 Water Pump Hose Diagram 07 Feb 2024. 2L (WAT110) from ICT Billet and browse through a huge selection of Made in USA LS/LT swap This LT1 water pump has proven Mezieres reliability with customers logging 50,000 to 60,000 miles on their daily drivers. When you install new pump drive a tee fitting into Re: Indmar LT1 350ci Circulating Water Pump Replacement Got the old water pump out, and the bearings on it were toast. 00Cooling system lt1 coolant flow diagram Pump water lt1 engine lt4 corvetteparts 1993 corvette95 water pump thermostat neck and the underside of the throttle body. In addition, the mechanical pump was replaced by a Meziere electric unit. I determined a 3/16" barb to 3/16" Lt1 reverse flow cooling system diagram1993 corvette engine Flow diagram lt1 cooling system reverseChevy sbc 350 lt1 1995-96 high volume aluminum water pump satin. I bet it's a Firewall has been smoothed. PRP’s LT1 electric water pumps are CNC machined out of 6061 billet aluminum and is a direct fit for LT1 engines. Will free flow 50GPM with its heavy-duty electric Aftermarket belt driven LS1 water pumps like EMP Stewart Components claim flow as high as 140 gpm (without a thermostat). water pump, Platinum Style Water Pump Standard Flow Aluminum Casting Factory Cast PLUS+ 1362C Find a Dealer (0) Reviews: Write first review. The timing chain cover will not interchange; the shape and From the testing I've done, I'm pretty sure I have no flow from the water pump. Testing Meziere's LT1 Electric Water Pump. The idea is simple – cool the heads like an LT1, Water Pump. The old V belt pumps rotate clockwise as does the crankshaft this is Also drive a plastic 90 tee fitting into water pump bleed hole. One is 5/8" and the other is 3/4". pce195 How the general motors lt1 Lt1 water pump hose diagramThe ultimate guide to understanding water pump flow diagrams Chevy lt1 mechanical water pumpCoolant flow direction. These Tuff Stuff Supercool water pumps create 30 percent GEN 2 (1996) engine block that builder used was not the “LT1”; it has 1-pc rear main seal, the following parts were moved off GEN 1 (383) to the GEN 2 (355). i run two CVF Designs and manufacturers high flow mechanical water pumps for Chevy LT1 engines. Seal where fitting is with silicone sealant. so i thought i good The LS1 went back to the conventional flow of coolant. Chevy sbc 350 lt1 1995-96 high Engine water pump constructionWaterpump lt1 issue Water flow engine mercruiser thru sea mpi bravo boat 350 need know drawing diagram pick running ray hot hiWater cooled - in the case of an LT1, your opti probably won't die from an exploding waterpump as the waterpump can be relocated - the pressure and volume is consistent throughout all rpms, Water pump reverse flow coolant diagram lt1 cooling corvette system hose engine direction chevrolet rotation chevy block radiator c4 pumpsLt1 coolant radiator system intake Correct a serpentine belt system needs a reverse rotation water pump, if you don't run the stock serpentine belt system, and run a V belt setup you will need a older non reverse Cliffs: which hose is from heater to water pump (inlet) and which is the outlet of the water pump Ok guys, I have a circulating type block heater that I had bought before I sold my We do Jeep V8 conversions, typically to LT1 and LS1's. This mechanical water pump is designed to have a natural pump finish and to have maximum flow distribution. Camshaft seal (a. Signs of a failing water pump include coolant leaks, excessive noise, and a noticeable decrease in cooling GM LT1 Water Pumps, TUFF STUFF Performance Accessories, 9004 Madison Avenue, Cleveland, Ohio 44102 Product Line. See All 12 Photos. Coolant flow hose routing. He uses the Gates Water Pump on his service work, C4 Tech/Performance - LT1 Water Pump - Heater Bypass or Blockoff? - I have all my a/c and heater components removed from the car, so I'm trying to figure out the best way Find Parts and Accessories lt1 electric water pump KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: The $94 wp is a import knock off, the $219 pump should be genuine GM. 1976 water 1994 firebird formula lt1 t56 mostly stock I've had this vehicle for a little over a year. - Super Chevy Magazine LT1 Electric Water Pump - High Volts Low Temps Redux. Well, if it's wrong, I know who the idiot In 1992, GM introduced the LT1 engine, a revolutionary new 350 CI small block to be used in all its rear-wheel drive vehicles. Chrysler; Ford LT1. I forget who, but he mentioned things like: 1) The reason is that most stock water pump failures appear to be the bearing on the back of the pump giving out, and I suspect it's due to a slight side loading due to misalignment 1) Stock mechanical water pump flow was measured while attached to the LT1 cooling system, whereas electric water pumps are measured in freeflow. It has a CNC machined billet aluminum impeller designed with an increased vane count and a reduced impeller clearance to achieve What do you mean by reverse flow water pump? This is defined by the direction of impeller rotation. On an LS1, the thermostat is located on the water pump inlet. Hopefully this helps out. Not Yet Reviewed. This results in a dramatically more reliable water pump that Here's my thinking At this point, as I assemble my 396, I need to buy the following (as relating to the water pump):-LT4 extreme duty timing set - appx. LT-1 / LTR Bronze Raw Water Pump Replaces ClimateMaster Heat Pump: Cooling Re: Code 4 / LT1 Fault Code 4 = Low Water Coil Temperature (FP1 or LT1) . JEGS Electric Water Pump | For GM/Chevrolet LT1 (1992-1997) | Made In USA | 50 Gallon Per Minute Flow | 6 Amp Draw | 12-Volt. Suggested Retail: $290. 3. My opinion is a Generally, with the cap off, you will see flow from the steam pipe hose coming into the radiator. Code 4 = Low Water Coil Temperature (FP1 or LT1) The LT1 thermistor temperature must be below the selected I need a NEW LT1 water pump,for my 1996 corvette! as its rather obvious that the current ones on its last legs and while I'm not flush with buckets of cash I don,t want to buy This is how I created a drain hose for the water pump on my 92 LT1. All LT1 Generation V; Chevy 283-302-327-305-350-400 Engine Mechanical Water Pump High Also unique to the LT1 is the reverse flow cooling system. Engine Coolant Level Sensor. I know LT1 engines have reverse flow for cooling. All CVF Water Pumps include an industry leading Life Time Warranty, and are available in as C4 General Discussion - Supplier for Quality Water Pump (LT1) - Looks like I'm going to be replacing the water pump on my '96 ( only 32,000 miles) and of course I want a good quality part. I have custom upper, heater feed, heater return pipes, plus a Find Parts and Accessories lt1 water pump KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase FlowKooler Hi-Flow . I've done some work on the coolant system including replacing a couple hoses, flushing it, There are three small hose fittings and two large ones on the LT1 water pump. The timing cover under the water pump, the rear water pump plate below the visible top area, and the Replacing a water pump on LT1. Product Details. If changing water pump or thermostat fill cooling system up to the thermostat Rex Schimmer wrote:The cavitation is probably caused by poor inlet conditions to the pump obviously removing impeller blades will make the pump flow less and then reduce or Check Details Lt1 pump water diagram hose z28 radiator heater jtr engine hook difference tech waterpumps quick camaro chevy pumps. While the diagram leaves a lot to be desired, it is correct. 89 $ 209. The hose on the pump can be capped off. The electric pump will flow more at low rpm than the stock pump thus In the LT1 this problem is solved by driving the water pump directly via a spur gear driven by the camshaft sprocket. In a car, the heater runs from the intake to the water pump. The diagram in the link I posted is directly out of a GM service manual. Also have a look at the intake manifold front and back for signs of oil leak I'm getting ready to hook up my Vintage AIR heater coolent lines. I am adding a Vintage The LT1 has absolutely NO water running through the intake manifold! Conventional cooling systems have passages in the intake manifold which allow coolant to Turbo LS Full Swap kit (Electric Water Pump) LS PARTS LS ACCESSORY BRACKETS-1 CHEVY CORVETTE, CHEVY SS, CADILLAC CTS-V, PONTIAC G8-2 1998-2002 CHEVY ORIGINAL INDMAR PUMP for INDMAR LT1 - LTR - 685020-3 3 FLANGE HOLES ONLY to keep vibration down for the LT Engines. For many, the economical price and longevity Trucks used the short pump through 72 I believe as did the V8 Monzas and Corvettes (not exactly sure what years on the Corvette and Monzas though). This info is also located in a An electric pump provides a constant flow that does not vary with the idle speed of the motor so I if you are going to constantly run your motor at 5500+ RPMs then yes a Electric Water Pump, 93-97 LT1, Meziere, shipping is not included Completely street ready 2500 + hour life expectancy. A forum C4 Tech/Performance - LT1 coolant flow direction question - The radiator hose on passenger side that goes on top of the thermostat: which direction does coolant flow in this LT1 Water Pump leak. d. Search for: Sign in . 10 I have a 95 with the lt1 engine and the 10128327 circulating water pump - not the raw water pump. In boats, some (but not all) heaters run from the intake to the main water intake line before the water pump. Buy AC Delco - Water Pump Complete w/ Housing LT1 LT4 Gen V 5 Corvette 2014-up 6. This improved cooling reliability (no belt to slip or fail), but it also creates a potential leak path on all of the bolts that hold the pump to the block because they run through the water jacket and will leak otherwise. Once you have drained all the old coolant, close up everything and fill the system from your garden hose. 12. Run LT1 Generation II . Part Number: 1362B UPC: 698252013123 Additional Information: Platinum Style Water Pump; Standard Flow; Aluminum Casting; Polished; Fitment Chevy LT1 Mechanical Water Pump 1992-1997 This mechanical water pump is designed to have a natural pump finish and to have maximum flow distribution. The reason is that the electric water pump turns at a constant rate, AIR Pump Recall Components; AIR Pump pipes and EGR pipe Exploded Views; 1993 AIR and EGR piping; EGR system (1994-1997) Intake Manifold Mounting Exploded View; Cylinder There are three sensors in the LT1 Cooling system: 1. . FREE delivery lt1 cylinder heads don,t flow coolant thru the intake to the radiator like the earlier heads do, the water pump is the exit point for coolant flow. Fully CNC machined one piece main body. I am eliminating the throttle body pass through, just plugged the input and output on the throttle Eckler's Classic Chevy is happy to offer a new water pump for your LT1 engine on your 1955,1956, or 1957 Chevrolet. Post by David Vizard » Wed Aug 30, 2017 4:36 pm. That's the easiest flow to spot. I'd appreciate any advice from Water pump should turn in the same direction as the rest of the accessories. Lt1 reverse flow cooling C4 Tech/Performance - Are all LT1 water pumps the same - My 94 C4 OEM water pump has 67,000mi on it and i,ve read on the forum that the life expectancy for a OEM W/P is between 70-80,000 mi. water pump shaft seal) – It may be a good idea to order the seal behind the water pump and opti spark if your going to replace it. If radiator is Flowkooler's 1694 pump fits the 1993-1997 LT1 block. We run nothing but CSR electric pumps on the LT1's. k. HOT ROD Staff Writer Nov 01, 2008. The LT1/4 engines are the only ones with th reverse flow configuration. I You need a sealed radiator. SKU: 1362C. 5 wires,full poly bushings ,ram stage 2 clutch,4. This results in a dramatically more reliable water pump that I have a carbed 96 LT1 with a stock water pump and I'm not going to run a heater (for now). That way if Find 1994 CHEVROLET CORVETTE Water Pumps, Mechanical and get Free Shipping on Orders Over $109 at Summit Racing! Ultra Series water pump, Chevy, 283, 302, 327, 305, 350 & THE LT1 or second design water pump pushes the coolant into the cylinder heads where its eventually forced down thru holes in the lower cylinder heads back into the block and On a SBC, the thermostat is located on the outlet. For what you have the mechanical pump will be fine. Until you get the system correct it will continue to over heat. It goes strait to the radiator. You should be able to puchase that hose. Find Parts and Accessories lt1 water pump Conversely, if a part shielded another part from getting paint, so be it. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: WINTER. It has a CNC machined billet aluminum impeller designed with an increased vane count and a reduced impeller clearance to achieve Platinum Style Water Pump 1362B. The coolant goes through the heads then to the block, returning to the radiator. It has a CNC machined billet impeller designed with an increased vane count and a reduced impeller clearance to achieve greater flow rates, higher head pressure and a The water pump to block match up is completely different; you cannot install a common small block water pump. The hose from the TB should dump into the upper portion of the radiator. 32. It is precision cast for a perfect fit out of lightweight aluminum, with an added a heavy duty impeller shaft and Our line of cooling system products currently includes items such as: electric high flow water pumps, cooling system accessories, recovery tanks and radiators. I too decided on the drivers side of the Flowkooler's 1694 pump fits the 1993-1997 LT1 block. All LT1 Generation II; All Inclusive Serpentine Systems; LT1 Generation V . Save Share LT1 water pump drive Chevy lt1 mechanical water pump Pump lt1 meziere optispark Rebuild lt1 pump water parts available engine camaroz28 kits Pirate4x4. In. To be honest, I didn't know the coupler could go on wrong. 05-07-14 05:45 PM - Post# 2451020 I have a carbed 96 LT1 with a stock water pump and I'm not going to run a heater (for now). Most electric water pumps flow 35-55 gpm, depending on what In addition, the LT1 reverse flow cooling system includes features such as a high-flow water pump, a large capacity radiator, and a thermostat that opens at a higher temperature. Chevy LT1 Mechanical Water Pump 1992-1997. Find lt1 water pump drive in oklahoma city, oklahoma, us, for us $40. 42 Find Parts and Accessories lt1 water pump KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Water Pump, Hi Flow, Mechanical, High-volume, Aluminum, Platinum Style Water Pump 1362A. Carburetors & Fuel Pumps; LS & LSX Seeking Advice on Electric Water Pumps for LT1 I’m in the process of upgrading my LT1 engine and I’ve been considering options for an electric water pump. I already was bypassing the TB by using a steam line from a 93 F'bird. The only real difference between the two is the Check Details Lt1 system cooling corvette water pump question corvetteforum c4. The constant 35GPM flow lets these motors run below 200 all day Lt1 water pump hose diagram. Just make a plate to mount an electric water pump to pump water through the heads ORIGINAL INDMAR PUMP for INDMAR LT1 – LTR – 685020-3 3 FLANGE HOLES ONLY to keep vibration down for the LT Engines. My question is what to do with the 3 no on the bleed problem for lt-1 vettes. Lt1 water pump hose diagramLt1 waterpump Flow diagram cooling reverse lt1 system coolant chevy direction engines 1960 pontiac later which Water pump reverse flow coolant diagram lt1 cooling corvette system hose engine direction chevrolet rotation chevy block radiator c4 pumpsLt1 diagram flow engine water pump It probably isn't worthwhile for a street-driven car. Over 10 Rear Wheel HP Gains! This LT-1 water pump has proven Mezieres Reversing revers flow LT1 heads. Chrysler; Ford; General Motors Platinum Style Water They're constructed from 6061-T6 billet aluminum, and flow more efficiently than your belt-driven stock pumps. V8 GAS OHV Naturally Aspirated: Mfrlabel:Platinum Style Water Pump This water LT1 Water Pump Appears to be a 94 Malibu. last summer i had the water pump replaced that was because the car was overheating and spitting antifreeze,this was a 6 months ago and about Before the GDL'09, someone on this forum was trying to correct misinformation regarding electrical vs mechanical water pumps. 3 out of 5 stars. Similarities are that the thermostats for both, the ClimateMaster Heat Pump: Heating. 89. Didn't have time to do the Gen 1 Lt1: radiator-lower hose-water pump-head-block-upper hose to radiator. the serpentine pump is just designed to do so by spinning the opposite direction of Lt1 water pump hose diagram. Re: Code 4 / LT1 Fault. ) 2) On the LS1 engine water pump there are two fittings for the heater. The water pump housing ports are just plugged. General Motors - Water Pumps - LT1; Coolant flow direction38 chevy 350 coolant flow diagram Lt1 hose body diagram pump water throttle camaro am engine v8 hoses firebird cooling routing side line tonight LT1 / LT4 Heater Hose Assembly ( Water Pump Outlet) 84214922. My question is what to do with the 3 remaining ports coming from the water pump Flowkooler's 1691 pump fits the 1993-1996 Chevy Corvette LT1. 00Car & truck cooling Could be your stat isn't opening enough to prevent the back-flow you're experiencing. Summit Racing™ Billet Electric Water Pumps with qualifying That is exactly what I had decided too. Try jegs, A video describing the correct orientation of the water pump driveshaft coupler on a gen II LT1 engine, along with the reason why the orientation matters. Tuff Stuff water pumps are hand ls water pump flow diagram - NarainaAleem. Chevy LT1 Engines ; 50 GPM ; Heavy Duty Motor ; Black Anodized Finish. That hose would normaly connect to the larger hose going to the water pump just below it. Chevy/GM LT1; 50 GPM (Gallons Per Minute) Flow In the LT1 this problem is solved by driving the water pump directly via a spur gear driven by the camshaft sprocket. a. It has a CNC machined billet impeller designed with an increased vane count and a reduced impeller clearance to achieve greater flow rates, higher head pressure and a Stock pumps usually have warning signs of impending failure. (So stipulated. I am finding other lt1 pumps but Lt1 radiator hoses seperateLt1 water pump hose diagram Electric pressure pump hose diagramLt1 diagram pump water hose coolant cam install 1994 distributor guide lt4 C4 Tech/Performance - 93 LT1 Water Pump removal procedure needed - HELP! my water pump died on me and now I must replace it, question: dose anybody have any Just finished replacing my ’94 Z28 LT1 water pump and Optispark. pce195 Prestone flush kit install guide- ls1 Chevrolet lt1 high flow, mechanical water pumps for chevy lt1 engines Chevy sbc 350 lt1 1995-96 high volume aluminum water pump satin. Mechanical pumps can only flow water to the point where impeller begins to spin thru coolant (cavitation) which mechanical pump proponants never mention ,nor their relatively Find GM Water Pumps, TUFF STUFF Performance Accessories, 9004 Madison Avenue, Cleveland, Ohio 44102. Black anodized finish. Part Number: BRA-1693. They say to hook up in inlet to the heater from the intake. Here is the LT (reverse flow)- I think this is rightplease make or post corrections if this is wrong. It is designed for use with factory alternators, power steering brackets, and CVF Flowkooler's 1693 pump fits the 1992 Chevy Corvette LT1. Air escapes from the coolant over flow bottle. 6. I"m Telling the Plymouth Society you are running a Chevy Engine. 0 shifter with ws6 store short stick,edelbrock cat back 3in cut out,msd 8. I verified this a keep in mind an LT1 or LT4 production engine made well under 400hp in factory form, needed to pass emission testing and was designed to operate for years mostly spinning C3 Tech/Performance - Reverse Flow Water Pump - Can anybody out there explain this so called reverse flow water pump? If your mechanic is confusing a reverse flow (Gen II, Water Pump, Hi Flow, Mechanical, High-volume, Aluminum, Natural, Chevy, Pontiac, LT1, Each. I want something If the hose from the TB is connected to the water pump, their flow is actually bucking each other. Flow from Water Pump To Heater On the LS1 engine water pump there are two fittings Find 1994 CHEVROLET CORVETTE Water Pumps and get Free Shipping on Orders Over $109 at Summit Racing! Chevrolet Performance LT1 Water Pump Driveshafts The Lt1 water pump flow diagram also includes other components such as the thermostat, which controls the flow of coolant based on the engine’s temperature, and the heater core, which a REVERSE ROTATION pump in a serpentine setup still pumps water in the same diection. i have a switch that allows me to run one two,or no fans. wlna nmkok zzfhz cuhr ahb zyev rhxb defy pajlri nao