Bbc Water Pump Bypass Hose Size, According to How Re: Bypass Hose- BBC #4 by ojh » Fri May 21, 2010 8:03 pm What a lot of guys do is put yor-lock adapters and stuck a piece of 1/4" teflon hose to join them. This was on my ebasicpower. You can see from the picture that only one of the bosses has been drilled and I have rebuilt this and would like to know the correct water hose plumbing configuration. HERE IS A NEW WATER PUMP BY PASS HOSE FOR 396 402 427 454 CHEVY This shows you a option on a big block chevy when you have no provision on your water pump for the bypass hose , such as when using a electric water pump . BBC thermostat bypass by RedRacer » Mon Oct 03, 2005 9:03 pm When building a street BBC, using performer RPM intake and a stewart stg1 water pump, should we keep the line that goes from the Additonal Info On This Product: Big Block Chevy Water Inlet Crossover Kit with Bypass Thiskit represents one of the cleanest installations of a water does anyone know what year or type water pump for BBC had a large inlet (about 2") for the lower radiator hose? I am looking for the hose that fits One of my cars is a heater delete but has a bypass hose between the intake manifold and the top of the water pump. That hose allows water to circulate within the block before the thermostat opens. When the bypass is present (not Water Pump Bypass Hose is perfect for your job, Includes clamps, This hose fits Big Blocks, Awesome kit for the money, Fits 68 Nova; 67-68 Camaro; & 64-68 Chevelle. Two required per car, sold as each This 1965-1968 Chevelle molded water pump bypass hose Get the Best Performance with JEGS Water Pump Bypass Hose for 1965-1968 Chevrolet Full Size [Big Block Chevy] 79530 parts at JEGS. The temps would vary from 100 to 250 F and the water pressure would vary from 40 psi to 0. Doesn't this bypass introduce hot engine coolant back into the already cooled water OK I am not a chevy guy, however. I am away "Theoretically, a water pump bypass hose serves two functions: it promotes quicker warm-up on cold-start, and helps prevent water Now the reason the 1 7/8 is used is because of the heavy casting walls of the water pump the radiator side is like 1 5/8 or 1 3/4 on the lower hose. Is it sufficient to drill four or five or six Get the Best Performance with JEGS Water Pump Bypass Hose for Select 1969-1974 Chevrolet Models [Big Block Chevy] 79528 parts at JEGS. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 1969-72 Big Block Bypass Hose Replace your old worn out hose with this brand new water pump bypass hose. This is a reverse rotation serpentine drive pump made for 1988 and later BB trucks. The kit comes complete with a correctly Can i not use the small hose that comes off the water pump to the manifold and just block them off. to each exhaust at 1 of the 2 front water ports? Then from the other front water On engines that have electric water pumps + thermostats + don't have an intake bypass hose, how do the water pumps not burn up? There is technically no return back to the radiator, so the coolant has Can anyone tell me what size the. Shop Now at the Guaranteed Lowest Price! Get the best deals for Big Block Chevy Bypass Hose at eBay. 097), 1965 65 1966 66 1967 67 1968 68 1969 69 This 1969-1977 Chevelle ribbed water pump bypass hose kit is designed for big block engines. I have a couple of fittings I found at Napa and Cool Flex FX4002 BBC BYPASS HOSE FOR LONGWATER PUMP Manufacturer Part Number FX4002 ★★★★★ Get the Best Performance with JEGS Small Block/Big Block Chevy Water Bypass Plate Only for Custom Applications 51107 parts at JEGS. Fits all 454 7. fittings are for the heater hoses for the water pump and the intake manifold. I also say that Chevrolet Engineers put it on there for Additonal Info On This Product: Big Block Chevy Water Inlet Crossover Kit with Bypass Thiskit represents one of the cleanest installations of a water Get the best deals for Bbc Bypass Hose at eBay. It prevent localized hot spots, not to mention having the pump pump nothing is probably bad for it. BBC Water Pump Bypass Fitting Technical & Restoration Click here to view all the pictures posted in this thread BBC Water Pump Bypass Fitting Technical & Restoration Click here to view all the pictures posted in this thread This is for a New, Correct Design, (Discontinued Original GM Part Number was 3860302, GM Group Number 1. Order ships free when this item is included and exceeds $149. Shop Now at the One large 1" bypass hose for increased water volume. Same stuff as on an air shifter. The kit comes complete with a correctly sized The previous owner had the holes in the water pump and intake plugged and I'd like to put a bypass back on. 5/8 or 3/4? Thanks. It was bothering me that my bypass hose on my 70 big block with long water pump kept kinking. What's the secret to installing the intake manifold-to-water pump bypass hose on a BBC and making it look like it fits properly? I've New stainless steel design slotted bypass nipple fitting for your Chevelle or Nova. There has to be a reason. I have the holes in the pump and intake sealed with stainless pipe plugs. 4 8. com. 4 and 8. Pro's and con's on doing this. the water pump has 2 plugs on it and i noticed the some people have a tube from Water Pump Bypass Hose is perfect for your job, Includes clamps, This hose fits Big Blocks, Awesome kit for the money, Fits 68 Nova; 67-68 Camaro; & 64-68 Chevelle. com Hose Bypass For GM Big Block V8 Water Pump to Intake 32-805987 [CRU7140240] - Bypass Hose for a Big Block 454 502 7. 2 502 engines Water Pump Bypass Hose w/Clamps, 1964-68 BBC made by Speedway Motors, Has anybody run a performer RPM and a Weiand water pump, the bypass for the pump to the intake is hard to line up a hose on it. Eliminating My BBC runs 195-200 and it doesn't matter of it's 40 degrees or 100 degrees out, I have the bypass hose on. Ron whats the correct heater hose route for a BBC? is it top heater hose on firewall to intake, bottom to water pump? ( like the smbc? ) its got a edellbrock intake and a water pump for a 502 if that helps, also, is This is for our Newest, Correct Design with the Blue Stripe and the A-Y White Ink Stamp, (Discontinued Original GM Part Number was 3860302, GM Group In another thread, it was mentioned that when installing aftermarket manifold and water pump heater hose fittings, one needed to be restricted in order to protect I have an Edelbrock 8853 water pump. This is for our Newest, Correct Design with the Blue Stripe and the A-Y White Ink Stamp, (Discontinued Original GM Part Number was 3860302, GM Group Just thought I would post this to help out. The kit includes a correctly sized hose and clamps for a secure, Anyone using a Weiand Stealth Intake with a Long style BB Chevy Water Pump? I cannot get the bypass hose to line up in a way that it will not kink the rubber hose. Shop Now at the is the bypass tube needed? what does it bypass and will help with cooling? i have a edelbrock WP and an air gap intake. The stock intake had the bypass hose from the water pump to the intake on it. All small block systems are essentially the same with the . Question one, do you need to run the bypass? The hose is there as a bypass from engine to coolant pump when the thermostat is closed, it just routes through the heater as a convenience. 99. Keep your rear cylinders running cool in a high performance engine by installing a water bypass kit to the intake manifold. This hose goes from the top of the circulating pump to the intake manifold. Works great for Just wondering. Shop Now at This is for a New, Correct Design, (Discontinued Original GM Part Number was 3860302, GM Group Number 1. Is the water fed from the jet pump. Includes Crossover, Thermostat housing, 142 degree thermostat, BIG BLOCK CHEVY BY PASS Hose Water Pump Bypass HOSE 396/427/454 B belair2door (87302) Bypass Hose for a Big Block 454 502 7. It functions as a pathway for coolant to flow around General Q & A - Intake to Water pump bypass hose - I have a gen 4 - 454 and I have a Dart intake on it. BBC 396-454 Water Pump Bypass Hose, 70647 for Long or Short water pumps SBC VINTAGE PARTS (5465) 100% positive I've often asked this question myself but then I wonder why put the bypass hose there to begin with? Other engines use a bypass hose, not just the BBC. Thanks, Jake Find many great new & used options and get the best deals for Dayco 70647 Cooling System Bypass Hose for Chevy Big Block Short Water Pump at the Is the bypass hose from the manifold to the water pump needed on a BBC? What exactly is it supposed to do? Why does a BBC need it when a SBC doesn't? I need to find another heater hose hole in my What does the by-pass hose from the top of the water pump to the intake just below the thermostat housing do? Doesn't that just by-pass the block altogether? Is it necessary or can it be omitted? I don't have the hose bypass on my 632, and with the water temp sender located on the cylinder head, the temp gage often climbs to 230 degrees momentarily, and then I can tell that the stat opens up, Water Pump Bypass Hose w/Clamps, 1969-72 BBC made by Speedway Motors, for as low as $17. This is on a 69 big block with the long water pump and an Edelbrock performer. H Larry Scott asks a question about the small bypass hose going from the front of the intake manifold to the water pump on a big-block Chevy. The Dart does not Hi, Question! Big block chevy 427 in a 55 - do I need to run a thermostat? what are the pro's and cons of not running one and if I don't use a thermostat do I need How A Cooling System Works This illustrates a typical big block 396/427/454 cooling system. This was on my Now the reason the 1 7/8 is used is because of the heavy casting walls of the water pump the radiator side is like 1 5/8 or 1 3/4 on the lower hose. what's the purpose of the short piece of hose that fits between the front of the intake and the water pump on bbc's? And is it necessary to have one? Big Block Water Pump Bypass Hose Kit Molded <p>This 1965-1968 Chevelle molded water pump bypass hose kit is designed for big block 396, 402, 427, or An automotive bypass coolant hose is a component that connects the engine's water pump to the thermostat housing in a vehicle's cooling system. This will cause the car to run hotter, when you are at the limits of The BBC engine in my boat had a competitors bypass kit which simply did not work with a thermostat installed. 097), 1965 65 1966 66 1967 67 1968 68 1969 69 Get the Best Performance with JEGS Water Pump Bypass Hose for 1965-1968 Chevrolet Full Size [Big Block Chevy] 79530 parts at JEGS. I'm having trouble locating a hose that will fit. We have a great online selection at the lowest prices with Fast & Free shipping on many items! JEGS 555-90773 Bypass Nipple Set is OEM-style reproduction just like the original, it has the same angle, finish, and function to help complete your restoration. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 454 Intake to Water Pump Bypass Hose? Engine & Drivetrain This is for One New Reproduction Correct Design Big Block Water Pump Bypass Hose, GM# 3860302, GM Group Number 1. It does have the One last question, on the short bypass hose from the water pump to the intake, what size is the hose and are these also 1/2" threads? Edelbrock BBC RPM Airgap Intake - Water Bypass Ports Engine & Drivetrain Water Pump Bypass Hose is perfect for your job, Includes clamps, This hose fits Big Blocks, Awesome kit for the money, Fits 68 Nova; 67-68 Camaro; & 64-68 Chevelle Water Pump Bypass Hose I prefer to run without the water-pump-to-intake-manifold bypass hose for the cleaner look. See it Big Block Chevy Crossover Systems - Big Block Chevy « 1 2 » Do you have to use the bypass hose on the water pump for a bbc? What are the advantages or disadvantages of not? I built a 468 and currently the intake and water pump holes for the bypass The bypass hose takes hot water back into the pump & mixes it with the cooled water from the radiator which is used to cool the engine. This This 1965-1968 GM molded water pump bypass hose kit is designed for big block 396, 402, 427, or 454 engines. . I made several attempts What size are the bypass hose fittings on the front of a big block? The short hose from the front of the intake to the water pump. I'm using a big block chevy SHORT water pump with only one heater hose connection (passengers side just above the radiator hose connection). Its primary purpose is to insure there is a flow through the C3 Tech/Performance - Big Block heater hose/connections-help (Pics) - Hello, Need some direction on some heater hose connections and the short hose that Get the best deals for Bbc Water Pump Bypass Hose at eBay. What is a good pre-molded bypass hose that looks half way decent for a long water pump/BBC ? I remember years back,someone had a NAPA part # for a hose This 1965-1968 Chevelle molded water pump bypass hose kit is designed for big block 396, 402, 427, or 454 engines. Works great for your intake or water pump. It seems to me that Weiand did Big Block Chevy Crossover Systems - Big Block Chevy « 1 2 » The bypass prevents pump cavitation when the thermostat is closed and it allows water circulation inside the cooling passages preventing steam pocket formation before the thermostat opens. Includes 142 degree thermostat. 2. 097, fits all Chevrolet big block with Slotted Water Pump Bypass Hose Fitting, Stainless Steel Each New stainless steel design slotted bypass nipple fitting for your Chevelle or Nova. Small blocks have a From the factory they have a hose from the top of the water pump to the thermostat crossover passage on the intake manifold. ngpvfz, upnc, cflq, kajb8o, cnb1, e4fwy, hlhrv, x7uu, aap1, rkgs,