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Ok, I've tried searching and come up empty handed. Do I have any options besides a stock replacement? I went to the local auto parts store and they said a new pump was like $195. Crazy! I didn't even pay that much for the car. Is this my only option? Help me out, I want to actually be able to drive this thing.

diabolical1

iTrader: (3)

facet
purolator

or

Carter/Holley/Mallory + regulator (these may be overkill if you're keeping the car stock though)

trochoid

iTrader: (6)

Holley Blue and a 1-4 psi fpr. Deadhead the fuel return. Carter also makes pumps that are quieter, I prefer them for stock. You still need the fpr.

Paradox_Racing

You can use just about any aftermarket electric pump, as long as you use a regulator as well. To be honest I used a Holley blue pump and regulator on a stock carb for a long time. and in addition to being a little cheaper than the stock pump, it helped the power a little at the top end. Installation is pretty straight-forward, but installing a stock pump is quite a bit easier. You can also check around your local salvage yards for a used factory pump. It is under a sheetmetal cover just infront of the left rear wheel. Make sure you replace the filter at the same time you replace the pump, because if it is clogged, that migh be what caused the pump to fail in the first place. Good luck.

mazdaverx713b

iTrader: (91)

as far as stock is concerned, i can get you a stock pump for about $100 new or i have a used one that i would sell. aftermarket hypo is good, but only with a good fpr and a CLEAN carb. imo, if you dont have much or anything else done, do not waste your time. stay stock.

diabolical1

iTrader: (3)

i've used both Facet and Purolator pumps [both about $35 new when i last bought one (maybe 1999)] on relatively stock 12A engines (just exhaust systems) without a regulator. never had any problems. they provided enough fuel for regular driving and the occasional spirited romp. as long as the pump is rated up to 4 or 5 psi and you don't delete the return, you don't NEED to put a regulator in the circuit.

Wankelguy

5 psi is too high for a stock 12A, and a regulator IS needed.

I found this out when I installed an RX4 pump.

hanman

The Carter pump is WAY loud, just an FYI. And yes you will need a regulator. I run 2.5lbs of pressure with my Yaw carb.

diabolical1

iTrader: (3)

well, i honestly couldn't remember if the pump was 1 to 4 or 1 to 5, which is why i said what i did about 4 to 5 psi. i think the point i was trying to make more than anything else was the fact that i had changed 2 fuel pumps on as many of my cars in the past, and the cars ran more than fine. they were my daily drivers and i raced on occasion back then, too.

i never bought a FPR until i bought a Carter pump because i got sick of the cheapo pump starving the Dell'Orto i had.

and for the record, i'll reference the RB tech manual/catalog (p.5)
for stock carbs:
1976 to 83 12A = 4.5 psi
1984 to 85 12A = 3.5 psi
all 13B carbs = 5.0 psi