10.5 - 1 usually. Some premium gasolines are as high as 94octane. creeping any higher than 10.5 on premium will force you to invest in some off the shelf octaine boosters and to go higher will basically force barrels of racing fuel. OR get a time machine go back to the 80's and get yourself some aviation gasoline. (most were between 129-150 octane) then go nuts. Or maybe your a pilot and you you can get me some. cheers
No.
As the reciprocating pump operates though the reciprocation of the follower,it guides the suction and the compression of water in the pipe.That's so when the rotary motion of the rotor blade is converted into the reciprocating motion, which deliver it to the reciprocating pump, the suction and discharge takes place.
In through the bottom hose, out through the top.
At the impeller tip where the linear velocity is highest as it farthest from the shaft center. In case of multiple impeller pump it is at the tip of the last impeller.
1、 single stage pump refers to only one impeller pump, highest head is only 125 meters; 2、 the multistage pump means to have two or more impeller pump, highest head can more than 125 meters; Multistage pumps in single stage pump head must match two levels motor cases, by adding more impeller number to equip with level 4 motor, which can improve pump using life and reduces the noise, but multistage pumps maintenance is relatively more difficult than single stage pump. 3、 pump actual required head is less than 125 m, can according to pump room area, pump prices (multistage pump price usually higher than single stage pump) factors comprehensive consideration to choose single stage pump or multistage pumps. With the development of technology, single stage impeller pump through improving the speed of the pump to improve pump head, can replace multistage pumps, just the price is more expensive.
although the pump is new the possibility of it being no good, still exist
check fuel pump relay!!
Chevy does not have a reset switch. If you installed a fuel pump and it still won't work, Then you need to check the wiring harness at the pump where it plugs into the top of the tank. Chevy had a problem with the wire connector at that point.If that checks out okay, then check the fuel pump relay and fuse.
does that year have carb or tb?
have you checked to see if the timing belt or chain is broken? have you checked cylinder compression? is the oil up to proper level?
check the fuse and the ground connection
Are you sure you pulled the right relay?
was fuel filter replaced
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Press schrader valve. If no fuel is there check fuse,
Replace water pump for an 1986 Chevy Nova?