Does anyone know of an alternate sending unit for the 15gal polyethylene gas tank? Basically, what I need is a 3/8" fuel line from the tank to feed the TPI I'm putting in but can't find a cross-reference on any of the Jeep sites. 3/8" return's desired too but I can plumb the return back to the feed before the tank if necessary with a "T" fitting. Not concerned with the gauge since I'll get a gauge for the sender resistance range. Ideas for a "pusher" pump to prime the electric? Mechanical pump fed to electric, FI pump? P.S. I did find one site but they were using an in-tank pump and I've already got all the pieces to plumb externally. Jim
CJ-7 Sending unit ('76 CJ-7)
Oct 11, 2004
2 Replies
Nope, nope. Tuned Port Injection with the raised plenum and ram air tubes. I abandoned the idea of an in-tank pump in the beginning and already have a Holley in-line pump. The TPI needed more pressure than the TBI. The headache is that all my plumbing's 3/8" but the Jeep's got 5/16" suction and
1/4" return at the sending unit. So, before I try some "out of plane maneuver", I thought I'd try and find out if sending units are somewhat standardized and do it right. I have one of the polyethylene 15gal tanks from 4WD Hardware, so, drilling or welding's not an option. Is it possible to cinch down a 3/8" hose on the 5/16" nipple? It's 1/16" difference and all it has to do is hold suction. Of course, that makes me want to avoid the option of T-ing the return line into the suction hose. JimJoin the Discussion
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