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TBI tank unit help.

Stomis

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I know the feed and return on the TBI tank units are flare fittings. I was wondering if anyone knew off hand what size they are so I can get AN conversion fittings instead of dropping the tank and then ordering parts.

Russell or some other fitting company part numbers would be even better. Need one for feed and return to -6 to plumb the LS regulator with twist lock.
 
5/16 and 3/8. -010 and -011 O-rings. (Edit: good point below...the lines may be 5/16 and 3/8, but the fittings are not)

Just dropped my tank. :)

Look around for those fittings, I'm pretty sure someone is making some other than Earl's(? AL) which are steel, and I don't think they were more expensive.
 
Last edited:
I know the feed and return on the TBI tank units are flare fittings. I was wondering if anyone knew off hand what size they are so I can get AN conversion fittings instead of dropping the tank and then ordering parts.

Russell or some other fitting company part numbers would be even better. Need one for feed and return to -6 to plumb the LS regulator with twist lock.
Russell numbers 640820 and 640830 for the sending unit
 
I know the feed and return on the TBI tank units are flare fittings. I was wondering if anyone knew off hand what size they are so I can get AN conversion fittings instead of dropping the tank and then ordering parts.

Russell or some other fitting company part numbers would be even better. Need one for feed and return to -6 to plumb the LS regulator with twist lock.

Just so you know they ARE NOT flare fittings, they are metric fittings that use o-rings.

This is what you need.

http://www.summitracing.com/parts/ear-9894dbherl/overview/

http://www.summitracing.com/parts/ear-9894dbjerl/overview/
 
The 91 sending unit I got had saginaw (o-ring) fittings, which I adapted to AN. If you need the sizes I can look it up in my notes.
 

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