So I am picking up a car next week that needs a fuel pump. I'm looking for fuel efficiency, so I'm trying to decide if I want to do a 3800na motor swap on the car or maybe just look for a 4T60 with a 2.84 final drive ratio to put with the 2.8L...
So if I do a motor swap, I am going to need to upgrade the fuel pump and was wondering if swapping in the AC Delco EP-381 now is a bad idea. Will putting a EP-381 use more gas, flood the motor, etc?
The price difference between the Fiero Fuel Pump and the EP-381 at RockAuto is only $3.00-$4.00. I don't mind spending that if I don't end up upgrading the motor (and the EP-381 won't hurt anything), but I hate to spend $60+ on a fuel pump just to pull it out and throw it away... Also why does the 88 run a different fuel pump? 86 Fiero, ACDELCO Part # EP240 More Info {#25116162} GM Original Equipment $61.79 88 Fiero, ACDELCO Part # EP378 More Info {#25163468} GM Original Equipment, requires strainer 25121637 $62.79 Syclone, ACDELCO Part # EP381 More Info {#25163473} GM Original Equipment; does not include a strainer. $65.79
Isn't it strange that after a bombing, everyone blames the bomber, his upbringing, his environment, his culture, his mental state but … after a shooting, the problem is the gun?
The 381 just is capable of more pressure, your regulator will bring it down to stock Fiero levels. So you will have no problem. I just put one in a 3.4L, pressure is normal. Seems to run fine. I used the airtex pump, not the AC Delco, but the results will be the same, (you know Delco is now made in china too)
Since you'll be in there anyway, you'll have a chance to upgrade wiring to the fuel pump, and to refresh all connections. I use 10-gauge wire on my cars, with all soldered connections. I'll usually run the 10ga to the battery supply (via a fuse or fusible link), interrupting that direct circuit with a relay powered by the original circuit. Back in my Grand National days, that made a 2V difference at the pump!
Also, the Fiero fuel level sender was designed by the same GM maniac who did the dew wipes. It might make sense to replace the 0-90 ohm sender, and there's a good one on eBay for $22 shipped!
So if the tank's coming down anyway, think about optimization...
The stock v6 fuel pump runs a 4.9, it will run a N/A 3800 unless you turbo....
Why does the 88 use a different part number? Does is have higher pressure? Should I use that one? 86 Fiero, ACDELCO Part # EP240 More Info {#25116162} GM Original Equipment $61.79 88 Fiero, ACDELCO Part # EP378 More Info {#25163468} GM Original Equipment, requires strainer 25121637 $62.79
-Brian
[This message has been edited by MulletproofMonk (edited 05-04-2014).]
Thanks sardonyx247. Point taken. $30 is cheaper then the Airtex at RockAuto... I ordered the strainer from RockAuto and almost ordered the wrong one (Fiero TS1 instead of Typhoon TS7). 5% off rockauto with code: 2109224018966383
Thanks sardonyx247. Point taken. $30 is cheaper then the Airtex at RockAuto... I ordered the strainer from RockAuto and almost ordered the wrong one (Fiero TS1 instead of Typhoon TS7). 5% off rockauto with code: 2109224018966383
I know, $30 is even cheaper than the airtex I found at $41, So I posted the Delco, as it is a "made in the USA' one still. On a side note too, the airtex for the stock Fiero is a universal and supports ALOT of the higher HP cars, including the Buick GN.
