CK5
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Edelbrock sump

not for that dam price I wont .

you could buy a new tank/sender/high pressure pump for our vintage trucks for less .

k5 31gal tank 94 bucks spectra premium gm14c . http://www.rockauto.com/en/moreinfo.php?pk=17411&cc=1061536&jsn=459

sender 77 bucks spectra premium no pump included fg12l . http://www.rockauto.com/en/moreinfo.php?pk=17336&cc=1061536&jsn=463

ac delco pump 59 bucks part # ep381 . vortec engines run 58-62 psi spec. from 96 c3500 5.7 truck but direct fit to older sender in our stuff if efi sender. http://www.rockauto.com/en/moreinfo.php?pk=90717&cc=1034570&jsn=602

20 gal pickup tank 81 bucks . spectra premium gm1c . http://www.rockauto.com/en/moreinfo.php?pk=17429&cc=1059825&jsn=735

16 gal pickup tank 82 bucks . spectra premium gm11c . http://www.rockauto.com/en/moreinfo.php?pk=17400&cc=1059825&jsn=736
 
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I've even seen the 31 gallon installed in the 69-72 blazer, but required some modifications of the rear cross-member.

Like you said, once you get up in the $600-700 I think I would even be looking at a custom tank from a place like tanks inc.

I think Holley has some interesting universal in tank pumps that look cool too:
https://www.holley.com/products/fue...efi_fuel_pumps/efi_in-tank_pumps/parts/12-130

I also understand the appeal of the sump, I just wanted to share some of the newer products some might have not seen. Having a lot of choices is great for us the consumers!
 
I also understand the appeal of the sump, I just wanted to share some of the newer products some might have not seen. Having a lot of choices is great for us the consumers!

I'm really confused as to why no one has just made a retrofit sending unit for GM. They were roughly all the same short of depth, would cover 30+ years of every vehicle line they made probably, integrate a fairly effective baffle/sump like the later model sending units, and it would probably sell a ton of units.

Doesn't make any sense to me that the manufacturers choose to make everyone who buys their product cut up their stock tank, instead of making their product fit the existing applications which number in the millions.
 
I'm really confused as to why no one has just made a retrofit sending unit for GM. They were roughly all the same short of depth, would cover 30+ years of every vehicle line they made probably, integrate a fairly effective baffle/sump like the later model sending units, and it would probably sell a ton of units.

Doesn't make any sense to me that the manufacturers choose to make everyone who buys their product cut up their stock tank, instead of making their product fit the existing applications which number in the millions.

I actually talked to Tanks Inc about this exact thing.... They are willing to make a tank for us but would need 100 orders to start making them.
 
I actually talked to Tanks Inc about this exact thing.... They are willing to make a tank for us but would need 100 orders to start making them.

A tank or a sending unit? Fuel tanks are probably a non-starter, my suspicion is that there aren't enough people with vehicles that don't have available FI tanks...the 73-87(91) trucks have factory FI tanks available, as do the the G-bodies and Camaro's, so I think the market for tanks is pretty small, especially since every body style basically had another tank.

I am not sure what application this is, but it's about what I'm thinking of:
aa006947-new-oem-lincoln-ls-fuel-pump-sending-unit-gas-tank-ls6-ls8-yw4z-9275-bc.jpg


AFAIK adjustable for depth, but doesn't appear to have a built in sump. I know others have sumps built in. Make it fit the factory GM fuel sending unit hole in the tanks, and you'd sell thousands. It would be an incredibly simple solution to retrofitting EFI to all GM vehicles.
 

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