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4efte paseo007
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[*] posted on 6-5-2009 at 12:54 PM
bigger fuel pump


So if im going with a 255LPH fuel pump do I have to get bigger fuel rail and fuel canalisation or i just get the stock and should I get a fuel regulator??
thanks




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tgidavid
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[*] posted on 6-5-2009 at 02:49 PM


SAFC as well, that is too much fuel. Just ask alfraido *edit sleepyrz. :)

[Edited on 12-5-2009 by tgidavid]
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[*] posted on 6-5-2009 at 03:12 PM


Quote:
Originally posted by tgidavid
SAFC as well, that is too much fuel. Just ask alfraido


I've had a 255LPH pump on TERCEL1 for a long time without
a SAFC and nver experienced any problems... it's the
damned pumps that would go out on me but as long as you
have your fuel pressure set correctly, any excess fuel just
gets returned back to the tank!

By the way, I had one of my "failed" pumps returned back to
the Walbro company here in the States and they checked it
out (which required cutting it open) and the results were
that there was a lot of foreign particles in the filter ... When
I get home I'll post the emails I was sent...

alf :waving:

[Edited on 5/6/2009 by alfradio]




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4efte paseo007
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[*] posted on 6-5-2009 at 05:07 PM


So I should get a Walbro 255LPH fuel Pump and a S-AFC and a pressure regulator or I dont need the pressure regulator with the S-AFC??

How much psi of pressure you run with a good turbo??? like how much would you need to have psi to run the ''godzilla'' turbo kit??




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sleepyrz
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[*] posted on 6-5-2009 at 05:12 PM


NOOOOOOOOOOOOOOOOOOOOOOOOO


what the hell people


yoiu just automaticallly assume the largest one is the best??????

that thing is used in modified supras

what the hell would you need it in a tercel for


here i want you all to read these threads in case you havnt already

http://board.tercelonline.com/viewthread.php?tid=35666&page=1#p... <~read my posts in this one

http://board.tercelonline.com/viewthread.php?tid=29451 <~ just read







5efhe .............................................Denso IRIDIUM PLUGS
GReddy E-MANAGE (BYP).................3" MANDREL BENT EXHAUST
no muffler they are for pussies.........GReddy FULL AUTO TIMER
DISABLED SPEED LIMITER...............FUEL CUT DEFENDER
COLORMATCHED BYP HARNESS........full coilovers
TiAl BOV.........................................TiAl wastegate
AVC-R boost controller.....................MSD digital 6 ignition
FRONT SWAYBAR.............................FRONT STRUTBAR
v-band flanged downpip....................CUSTOM INTAKE SETUP
GAUGES(BOOST,TACH)....................STARION FMIC
TRD plug wires.................................oh and i fucked your mom
===========================
catch you on the flipside,
Dave

this is your world im just living in it trying not to beat you to death
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sleepyrz
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[*] posted on 6-5-2009 at 05:28 PM


basically you can use the stock tercel pump and it would be perfectly fine

the stock tercel pump is like 100 LPH

and that was used in stealth

must i remind you that stealth had a T3 running at 18 psi and somewhere around 300 HP

so you are currently running a pump that was overkill for stealth by a factor of 3

are you understanding how large of a pump you are actually using?


\/now here is the math from the thread i am directing you to\/

295 cc injectors will flow 70,800cc in an hour at 100% duty cycle(stuck open)

thats about 70 LPH(~70.8)

and you have a 255LPH pump

you arent even seeing 70% duty cycle on the 295cc injectors

which would be 50LPH

is this painting a better picture of just how large that fuel pump really is?

lets say you upgraded to some 440cc injectors

at 70% on some 440cc's thatd be 73.9 LPH of fuel needed

lets try some 720cc injectors at 70% = 120LPH of fuel needed

and just for illustrations sake lets take those 720 cc injectors and use em in a supra @ 70% duty cycle(6 cylinders now)

181LPH of fuel needed

lets go one farther

and use 1000 cc injectors in that supra@70% duty cycle(again 6 cylinders)

252LPH of fuel needed


math puts things in perspective now doesnt it


even for boostjunkie who is running 1000cc injectors in his tercel would only need 168 LPH of fuel

can someone please go search through my posts and sticky all of them thx



so again no the 255 is way too damn big

get the 190lph mustang one if you must get one

but you could easily leave the stock one in till like 200 hp:deal::deal::deal:



[Edited on 5/8/09 by sleepyrz]





5efhe .............................................Denso IRIDIUM PLUGS
GReddy E-MANAGE (BYP).................3" MANDREL BENT EXHAUST
no muffler they are for pussies.........GReddy FULL AUTO TIMER
DISABLED SPEED LIMITER...............FUEL CUT DEFENDER
COLORMATCHED BYP HARNESS........full coilovers
TiAl BOV.........................................TiAl wastegate
AVC-R boost controller.....................MSD digital 6 ignition
FRONT SWAYBAR.............................FRONT STRUTBAR
v-band flanged downpip....................CUSTOM INTAKE SETUP
GAUGES(BOOST,TACH)....................STARION FMIC
TRD plug wires.................................oh and i fucked your mom
===========================
catch you on the flipside,
Dave

this is your world im just living in it trying not to beat you to death
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sleepyrz
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[*] posted on 6-5-2009 at 05:30 PM


i also found this little tidbit out there on the web

this is the pump that is recommended by walbro to replace the one in the tercel

http://www.fuelpumps.com/19951998-toyota-tercel-fuel-pump-4-cyl-15l...

the TCA324 which flows .......drumroll please.............

21 GPH= 79.4936475 LPH





5efhe .............................................Denso IRIDIUM PLUGS
GReddy E-MANAGE (BYP).................3" MANDREL BENT EXHAUST
no muffler they are for pussies.........GReddy FULL AUTO TIMER
DISABLED SPEED LIMITER...............FUEL CUT DEFENDER
COLORMATCHED BYP HARNESS........full coilovers
TiAl BOV.........................................TiAl wastegate
AVC-R boost controller.....................MSD digital 6 ignition
FRONT SWAYBAR.............................FRONT STRUTBAR
v-band flanged downpip....................CUSTOM INTAKE SETUP
GAUGES(BOOST,TACH)....................STARION FMIC
TRD plug wires.................................oh and i fucked your mom
===========================
catch you on the flipside,
Dave

this is your world im just living in it trying not to beat you to death
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ssl
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[*] posted on 6-5-2009 at 07:36 PM


wow, thats some awesome info there sleepyrz. i was going to keep the walbro out of my MR2 to retro fit to my tercel, but i guess i don't really need it now, since i don't have any enormous plans for it




92 Tercel
Current mods:
4EFTE swap
Paseo front brakes
Paseo FR swaybar
2.5\" exchaust
16" Eagle Alloys

KYB GR2 struts
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[*] posted on 6-5-2009 at 09:25 PM


Well, we'll start with this one. Stickied!:thumbup:



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rgm1800
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[*] posted on 2-4-2010 at 09:24 PM


the fuel rail has a return line. any excess fuel will be returned back on the gas tank. i have a supra 7mge on my 4efte. no problesm so far
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[*] posted on 2-4-2010 at 11:56 PM


Quote:
Originally posted by sleepyrz
basically you can use the stock tercel pump and it would be perfectly fine

the stock tercel pump is like 100 LPH

and that was used in stealth

must i remind you that stealth had a T3 running at 18 psi and somewhere around 300 HP

so you are currently running a pump that was overkill for stealth by a factor of 3

are you understanding how large of a pump you are actually using?


\/now here is the math from the thread i am directing you to\/

295 cc injectors will flow 70,800cc in an hour at 100% duty cycle(stuck open)

thats about 70 LPH(~70.8)

and you have a 255LPH pump

you arent even seeing 70% duty cycle on the 295cc injectors

which would be 50LPH

is this painting a better picture of just how large that fuel pump really is?

lets say you upgraded to some 440cc injectors

at 70% on some 440cc's thatd be 73.9 LPH of fuel needed

lets try some 720cc injectors at 70% = 120LPH of fuel needed

and just for illustrations sake lets take those 720 cc injectors and use em in a supra @ 70% duty cycle(6 cylinders now)

181LPH of fuel needed

lets go one farther

and use 1000 cc injectors in that supra@70% duty cycle(again 6 cylinders)

252LPH of fuel needed


math puts things in perspective now doesnt it


even for boostjunkie who is running 1000cc injectors in his tercel would only need 168 LPH of fuel

can someone please go search through my posts and sticky all of them thx



so again no the 255 is way too damn big

get the 190lph mustang one if you must get one

but you could easily leave the stock one in till like 200 hp:deal::deal::deal:



[Edited on 5/8/09 by sleepyrz]


Good info. But I am running 255 because I run e-85. 30% more fuel needed. That's why I used one.




First Tercel on E-85/ self tuned!
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[*] posted on 28-5-2012 at 08:15 PM


what year and motor is this mustang fuel pump from?



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[*] posted on 24-8-2012 at 07:27 AM


Quote: Originally posted by rainmaker9239  
what year and motor is this mustang fuel pump from?


???





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alfradio
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[*] posted on 24-8-2012 at 10:28 AM


Quote: Originally posted by sleepyrz  


i also found this little tidbit out there on the web

this is the pump that is recommended by walbro to replace the
one in the tercel

http://www.fuelpumps.com/19951998-toyota-tercel-fuel-pump-4-cyl-15l...

the TCA324 which flows .......drumroll please.............

21 GPH= 79.4936475 LPH


Stock Tercel fuel pump? Read THIS POST <-Clicky

alf :dunno:




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[*] posted on 24-8-2012 at 11:11 AM


not very helpful info but i had a 255 in my rx7 with 550 primary and 1000 secondary injectors and it was still far too much fuel.
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