Do the new Stromberg 97's still require a fuel pressure gauge & regulator?.......intend to run triple 97's & haven't played with Strombergs for 40yrs......been told that they should run at around 3-4psi.........any particular info etc will be welcome...........thanks.
You'd be best off to put on a quality low-pressure regulator (and good downstream gauge) and set the pressure at about 2 lbs. Any more than that and you will probably have some leaks/flooding.
the biggest part to this question is how you supply the fuel....and what it's going on and in...on a model A fuel tank you will need a pump, the pump you get will tell the story....like said 2 psi is golden if you get enough gpm... 4 is the north border line
I use the Model A tank with my '28 roadster and have no fuel delivery problems what so ever. I had Charlie NY convert an early Cadillac OHV fuel pump for my 292 ci flathead. It's high flow, low pressure. Set at 2.5 lbs.
Banjo had Charlie work his magic (he does great work) - such that the pump has the proper PSI spring in it. Charlie can do this for almost any flathead pump. Beware, every modern flathead pump that I've seen has a pressure spring/setting that is way too high for 97's (usually over 5 lbs). Unless you have a specially reworked pump, you'll need a pressure regulator - and it is not a bad idea with any pump with 97's, 48's, 81's.
questionj,.... if you had no fuel delivery problem,... why did you add the pump????? I run a few of my A's of the stock tank, but convert them.... this one is a stocker, no pump...runs strong, 7-1 head and headers.... a long WOT would starve it on the big end
Since it's not a stock banger with the carb(s) sitting below the tank, you have to run a pump. When you said pump, I'd just ***umed you meant electric pump. I guess I misunderstood your comment.
Use a Holley 12-804 regulator (1-4 PSI) and a low pressure gauge. Hide the reg (mine is on the back of the supercharger), use the gauge to set the pressure and then remove it and plug it off so you don't have to look at it. If you use a 0-100 gauge it is almost impossible to find 2.5 PSI (which is what I run). I use this little gauge with a 0-10 sweep I sourced on-line. It is kinda ugly, but I recently removed it as it is not needed once the reg set.
Quote: I run a few of my A's of the stock tank, but convert them.... Ah, to me that read like you converted the stock tanks somehow, maybe to allow more fuel flow.
I intend to use the triple 97's/Edelbrock P600 on a 318 Poly in my 1940 Dodge, all the replies have been appreciated and give me the sort of info I need........I've got a stock 318 mechanical fuel pump at present with a 600Holley, the triples etc is for a new Poly thats replacing the tired one thats been in there since 1975.....yeh....I'm a slow learner.........thanks guys.........andyd
Impressive engine, I had a B with a Winfield head, Mallory distributor, header and a Holley 94 on a downdraft manifold. Ran it for quite a while without a fuel pump and no problems as long as I kept the gas at 1/2 tank or more.
It is important to keep the tank at least 1/2 full of fuel for numerous reasons, but it also provides some head pressure to help the fuel exit the tank.
Back in the day, most midgets had "pressure pumps" to pressurize fuel tanks . . . you saw these same pumps being used on various types of race cars over the years.
Yep. I think it might be a little tricky to add to a stock Model A tank as is. I'm sure someone has done it and I'd be curious to see what they did.
I wouldn't recommend a pressurised tank on a street driven car, way to easy to forget to vent it every time it's parked. I have a pressure pump on my racer, once I forgot to open the tap to release the pressure after a weekends racing. After a couple of months sitting on the trailer I started it, it ran but sounded terrible, sloshing and squeaking like crazy. Turns out pressure left in the tank had forced most of the gas into the engine, probably half and half gas and oil, how it never exploded is beyond me! This was with a Stromberg, if it had been an updraught carb the only sign would have been a stain on the floor.
We have used the K&N 2lb electric pump on both single and dual 97s on Bangers and it works great. With the downdraft and no pump, we would run out of gas at half tank. Warren https://www.summitracing.com/parts/knn-81-0400
Typical electric pump, but certainly can't hear it when the engine is running and I have mine under the dash by the shut off.
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