Fuel tank identification??

[L92 OLDS 2]

Hello Gents.
I'm trying to identify what fuel tank I have in my '86 442. This car was built by my late brother and I'm trying to understand what components he used.
The car has an LS3/4L80E swap with all the Holley goodies.
I'm thinking it's the Spectrum GM309A? You can see parts of the installed Racetronix Pump wiring harness here too. Thanks in advance.

 

[nycutlass]

Both of mine are powder-coated the one in the picture above is a few years old. and the one i bought last year for $50 new on eBay is the same coating i only bought the second tank because it was so cheap. i even have the original box for the second tank and it has no markings.

 

[L92 OLDS 2]

Thanks all for the feedback - great info here.
The tank needs to be EFI due to the known installed Walbro in-tank pump on the sender. I'll have to see if I can get a view down the filler neck, maybe with my inspection camera.
I want to know for my own info, but also to help my Brother who is now working on the same LS3 swap on his '86.

 

[nycutlass]

You can put a Walbro in any gbody tank It's best to do it with a baffled tank. you can fit 2 walbro 450 in a gbody baffled tank i been running it for almost 2 years now . Just a tip, they are hungry pumps, so use a heavy wire to feed them.