injector and fuel pump size
Thread Starter
5th Gear Member
Joined: Dec 2005
Posts: 2,005
From:
injector and fuel pump size
ford racing 302 crate engine with the aluminum gt40x heads, ford racing gt 40 intake and a 70 mm tb and mass air flow and cai and long tube headers with flowmasters and no cats, 410 gear, tko trans, msd distributor n coil n wires and autolite platinums, what size injectors and fuel pump?
6th Gear Member
Joined: Sep 2005
Posts: 15,042
From: Hamilton, NJ
RE: injector and fuel pump size
ORIGINAL: Mustangkiler
and what sizes for 75 mm tb and maf?
and what sizes for 75 mm tb and maf?
5th Gear Member
Joined: Nov 2004
Posts: 3,834
From: Texas
RE: injector and fuel pump size
^^^ x 2. A 155 or 190lph fuel pump should be more than enough.
Also, I would make the MAF bigger than the TB. You shouldn't need bigger than a 70mm TB w/ that combo, so go w/ a 75mm MAF.
Also, I would make the MAF bigger than the TB. You shouldn't need bigger than a 70mm TB w/ that combo, so go w/ a 75mm MAF.
6th Gear Member
Joined: Feb 2006
Posts: 5,263
From:
RE: injector and fuel pump size
Depends if you want to put a blower on later......
24 without
36-42 if you're gonna upgrade later
155 pump
and I dont understand these guys when they say
a 75mm TB is too big? How can it hurt to have
as big a TB or Mass Air as possible?
24 without
36-42 if you're gonna upgrade later
155 pump
and I dont understand these guys when they say
a 75mm TB is too big? How can it hurt to have
as big a TB or Mass Air as possible?
6th Gear Member
Joined: Oct 2005
Posts: 6,028
From: st clair shores MI
RE: injector and fuel pump size
ORIGINAL: r.barn
and I dont understand these guys when they say
a 75mm TB is too big? How can it hurt to have
as big a TB or Mass Air as possible?
and I dont understand these guys when they say
a 75mm TB is too big? How can it hurt to have
as big a TB or Mass Air as possible?
because what happens if you blow through, or suck through a straw that is 1" big as opposed to about 1/4".......??????
air velocity means WAY more than air quantity. and air turbulence hurts velocity as well.
when you lose velocity, you lose power. you only need what need and no more.
that setup would run best..the way it sits..w/ a 73 meter, 65 tb, 24 lb. inj. and a 190 pump. use an adj. fpr to knock out unneeded fuel.
probably about 34-36 psi is plenty. (that would aslo support about 400 rear wheel hp) overkill now in speculation of later mods is not good.
6th Gear Member
Joined: Feb 2006
Posts: 5,263
From:
RE: injector and fuel pump size
ORIGINAL: nitrous_bob
because what happens if you blow through, or suck through a straw that is 1" big as opposed to about 1/4".......??????
air velocity means WAY more than air quantity. and air turbulence hurts velocity as well.
when you lose velocity, you lose power. you only need what need and no more.
that setup would run best..the way it sits..w/ a 73 meter, 65 tb, 24 lb. inj. and a 190 pump. use an adj. fpr to knock out unneeded fuel.
probably about 34-36 psi is plenty. (that would aslo support about 400 rear wheel hp) overkill now in speculation of later mods is not good.
ORIGINAL: r.barn
and I dont understand these guys when they say
a 75mm TB is too big? How can it hurt to have
as big a TB or Mass Air as possible?
and I dont understand these guys when they say
a 75mm TB is too big? How can it hurt to have
as big a TB or Mass Air as possible?
because what happens if you blow through, or suck through a straw that is 1" big as opposed to about 1/4".......??????
air velocity means WAY more than air quantity. and air turbulence hurts velocity as well.
when you lose velocity, you lose power. you only need what need and no more.
that setup would run best..the way it sits..w/ a 73 meter, 65 tb, 24 lb. inj. and a 190 pump. use an adj. fpr to knock out unneeded fuel.
probably about 34-36 psi is plenty. (that would aslo support about 400 rear wheel hp) overkill now in speculation of later mods is not good.
Ah, OK
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