what Posted February 11, 2009 Report Share Posted February 11, 2009 I was just wondering if any of you guys have ever elimintated the stock 10 gallon tank on your 521 pickup for a 15-20 gallon one off of a diffrent car or truck that will tuck up underneath similar to the stock tank? I can pickup a 1966 elcamino 20 gallon tank for super cheap but not sure of how to mount it as there isnt much room in there. I want a bigger tank because this is my daily driver and i get tired of going to the gas station all the time. Thank you for you help/advise. Quote Link to comment
Llittle_Llama Posted February 11, 2009 Report Share Posted February 11, 2009 what kind of gas mileage are you getting? Quote Link to comment
what Posted February 11, 2009 Author Report Share Posted February 11, 2009 average about 18 mph. Its a stock L16 with mallory ignition, weber 32/34, header with 2 1/2 exhaust and a dogleg 5 speed. I just went out there and measured my tank and relized there is just no room under there. I think i will just get a couple of cans and keep them filled up at home. Quote Link to comment
motavated Posted February 11, 2009 Report Share Posted February 11, 2009 why dont you build a saddle tank? Get this tool box and convert it. Or build a new one... http://forum.ratsun.net/showthread.php?t=6281 Quote Link to comment
datzenmike Posted February 11, 2009 Report Share Posted February 11, 2009 Remove the spare and throw in the box. You should be able to mount a 'late '70s early '80s 30 imperial gallon Bronco tank in there.. or something squarish. Quote Link to comment
Llittle_Llama Posted February 11, 2009 Report Share Posted February 11, 2009 Remove the spare and throw in the box. You should be able to mount a 'late '70s early '80s 30 imperial gallon Bronco tank in there.. or something squarish. just make sure it's tucked up close! Quote Link to comment
Justin Posted February 11, 2009 Report Share Posted February 11, 2009 18 mpg sounds a little "off" to me, might indicate another problem...? Perhaps your ride needs a tune-up/carb/timing adjustment? Huge tanks are nice, until you pull up to the pump :eek: Quote Link to comment
datzenmike Posted February 11, 2009 Report Share Posted February 11, 2009 Yeah you should be close to 30 with o/d 5spd. Probably that Weber needs re-jetting. They aren't as good as the stock MPG, but can be tuned close. Quote Link to comment
Llittle_Llama Posted February 11, 2009 Report Share Posted February 11, 2009 that's what I was thinking, maybe after you get it dialed in right, you will feel less of a need for a new tank. Quote Link to comment
slodat Posted February 12, 2009 Report Share Posted February 12, 2009 my 521 has a '83 mustang fuel tank mounted between the frame rails just aft of the rear axle. Quote Link to comment
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