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Too bad they won't make an FJ45 version. I have asked and they said no.
I installed one of these Carters back in 1996 when I swapped in the SBC. (Pureists... It was either that or scrap the truck)@skidplate I added a link to Carter Installation Instructions to post#11285
I plan to integrate Carter P4070 Electric fuel pumps into my my fuel delivery system when we return from Colorado in late July, to augment the the OEM fuel pump fuel flow... When needed... Primarily on steep climbs.
The electric pumps need to be near and below the fuel tank they service, as well as below the carb.
So, I'm presently re-designing my fuel delivery system, for my 01/78 FJ40, and want to be sure I don't waste time and effort and an electric pump....
QUESTION:
Electric fuel pumps are pushers (rather than suckers), they are gravity fed... Hence the 'install below the tank' requirement.
My main tank is OEM, so no problem there... The fuel feeds from the bottom of the tank.
My aux tank feeds from the top of the tank... Will an electric pusher pump work with this top-feed tank if my OEM mechanical pump fails? Or, is it a waste to even install an electric pump on the aux tank?
I can do this several different ways and the intent behind the electric pump is more security (backup when/if OEM pump fails in a remote location.... I don't want to have to lay with scorpions again), than performance (it will be switched to allow 'as required' augmentation or backup capability).
I could just as easily (actually easier) only mount an electric pump to the OEM main tank feed... I always run my aux tank down before switching to main tank. So, if I have fuel left, it will,always be in the main tank anyway.
Comments?
@bikersmurf I know you run two tanks, with a single Carter and no OEM pump.. What have you experienced?
Thanks!!
I installed one of these Carters back in 1996 when I swapped in the SBC. (Pureists... It was either that or scrap the truck)
A couple years back I added a ManAFree type auxillary tank. It is now plumbed in before the pump using a brass 'marine' manual fuel valve. The aux tank is further away, but the pump is between the two tanks.
* I'd highly recommend having an inline filter before the pump to keep debris out of the pump.
*on my one day list, is to install a T fitting, a shutoff, and a length of line to run into an accessories fuel tank... It's usually the mower, but sometimes the generator, chainsaw, weedwacker, or a buddies rig.
Thanks John!
I'm still looking for an answer to, "With my aux tank feeding fuel from a port at the top of the tank, via a fuel pickup to the bottom, will the electric pump be able to stay primed, in the event my oem mech pump fails? Or, am I wasting time/money/etc. even connecting the electric pump to the aux tank?".
The electric pump(s) will have an inline fuel filter between the pump(s) and the tank(s).
Thanks!
Yes, they push better than they draw, but that won't be significantly different than my stock tank which has a pickup half way up the tank that goes to the bottom of the tank. I've never had any need to prime the pump... If it had to pull it up a few feet, that'd be different. I'm sure I've even seen them mounted just under the hood at the top of the firewall, and they've worked... Not recomended though.
I've been picking up the pace on my build the last few weeks. Since I took the 71 off the road a year and a half ago, I've really just been parts collecting, with the occasional weekend spent wrenching. Too many other projects got in the way, including a pretty extensive garage remodel. So today I loaded up a pile to get powder coated. Mostly axle stuff, and a bell housing. 82 SF rear housing, 71 front with FJ62 knuckles and wide pattern arms from an early 80s FJ40.
View attachment 1283983
The shop I use is pretty good about it. We go over each item as I unload with a big paint marker and mark the surfaces I don't want blasted or coated. They use duct tape to prevent blasting the machined parts and then a high temp tape to keep the powder off. Real thin, see through.I'm curious... I've only had large items, lie roof racks powder coated... when you take small items, with mating surfaces, to be powder coated, does the powder coater typically mask the mating surfaces? With what?
The shop I use is pretty good about it. We go over each item as I unload with a big paint marker and mark the surfaces I don't want blasted or coated. They use duct tape to prevent blasting the machined parts and then a high temp tape to keep the powder off. Real thin, see through.
Thanks John!
I'm still looking for an answer to, "With my aux tank feeding fuel from a port at the top of the tank, via a fuel pickup to the bottom, will the electric pump be able to stay primed, in the event my oem mech pump fails? Or, am I wasting time/money/etc. even connecting the electric pump to the aux tank?".
The electric pump(s) will have an inline fuel filter between the pump(s) and the tank(s).
Thanks!
To add to what bikersmurf said, I have a 94 Chev pickup with the 6.5 TD. It has a stock electric fuel pump mounted onto the vehicle frame under the cab. So it's about four feet from the pump to where the fuel line goes into the top of the fuel tank, about center front to back of the tank. This puts the electric pump not quite as low as the bottom of the tank, sucking fuel from the bottom of the tank, up to the top of the tank before it is out of the tank, and then back down to the pump before the fuel is pushed up to the motor. Never a problem with this set up.
Don