Page 19 of Fuel Systems by Parts Pro

high performance 2006 parts pro master catalog fuel pumps/management systems choose genuine holley service parts when renewing or modifying your holley carburetor only holley service parts are guaranteed to be manufactured to the same demanding specifications as the original components holley parts provide the fit function and performance you expect demand the best demand holley carburetor fuel pressure regulators · 3/8 npt ports .220 7/32 restriction · includes mounting bracket description part no 4-1/2 9 psi satin 1 4 psi satin bypass regulator 12-803 12-804 12-803bp street performance fuel pumps 80 gph up to 80 gph free flow 7-1/2 psi shutoff pressure adjustable lower housing allows 360° rotation of fuel inlet/outlet fittings for custom installation triple chrome plated description chevy s/b v-8 chevy b/b v-8 chrysler s/b v-8 chrysler b/b v-8 ford 289/302/351w ford 351c/351m ford 390 427 428 fe ford 429/460 v-8 oldsmobile all v-8 pontiac all v-8 part no 12-834 12-835 12-838 12-831 12-833 12-854 12-832 12-860 12-836 12-837 carburetor fuel pressure regulator · · · · regulates from 4-1/2 to 9 psi one 1/2 npt inlet and two 1/2 npt outlet ports .437 7/16 restriction includes mounting hardware and an style fittings part no 12-704 carburetor fuel pressure regulator compatible for use with methanol/alcohol · · · · regulates from 4-1/2 to 9 psi one -8 inlet port and four -6 outlet ports .437 7/16 restriction billet body top casting cover are hard coat anodized · three fuel pressure gauge mounting options fuel pressure gauge not included part no 12-707 competition fuel pumps 110 gph high output fuel flow 3/8 npt inlet/outlet ports flow 110 gph free flow shut off pressure pre-set from 6-1/2 to 8 psi fuel body can be rotated application chevy 200-229 v-6 chevy 283-400 v-8 chevy 396-454 v-8 ford ford chrysler chrysler pontiac part no 12-327-11 12-327-11 12-454-11 12-289-11 12-460-11 12-360-11 12-440-11 12-389-11 universal adjustable fi regulator ideal for imports adjustable from 35-65 psi machined from billet aluminum and is clear coat protected part no 512-504-5 pro-series fuel pumps 130 gph maximum fuel flow 130 gph free flow shut off pressure pre-set 7-1/2 to 9 psi inlet and outlet ports are 1/2 npt fuel body can be rotated fuel pressure regulator 12-803 is required application chevy 200-229 v-6 chevy 283-400 v-8 chevy 396-454 v-8 part no 12-327-13 12-327-13 12-454-13 calculating fuel requirements it s just simple math determining how much fuel your fuel pump needs to be able to provide is no mystery it s comes down to mathematics the engine in your car takes in air and fuel and converts them to horsepower to make this horsepower your engine will consume a certain amount of fuel referred to as the brake specific fuel consumption or bsfc the bsfc is generally estimated to be 0.50 for most naturally-aspirated non-turbo/super-charged engines so do the math horsepower x .50 fuel needed per hour in pounds pph-pounds per hour gasoline is calculated at 7lb per gallon example engine that produces 400 hp 6,000 rpm 400 x .50 200 lbs fuel equals 29 gallons 6000 rpm fuel management controller · supplies increasing fuel ratios in respect to boost produced by turbos and superchargers · designed to supply additional fuel for aftermarket turbo and supercharger applications · engineered to regulate extreme flow volumes generated by racing fuel systems · allows adjustment from 20-75 psi boost reference · precision cnc machined 6061 t-6 billet aluminum · -6 an fittings included · includes detailed installation instructions part no 512-505 however the calculation does not end there factors such as engine rpms the diameter of fuel line and other plumbing restrictions the g-forces upon launch line pulse created by pressure regulators and other factors affect pressure output therefore you must factor in a safety margin most professionals recommend a safety margin of 30 remember a properly regulated fuel system will not suffer from too much fuel but fuel starvation can be disastrous 36 some parts are not legal for sale or use in california on any pollution controlled motor vehicle.

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