I'd send both tanks back. I just keep the cars as Garage Art.
Go to the source and start emailing people:
Contact Information
Jason Best
Title: Vice President
Area of Responsibility: Domestic Sales & Marketing Export Sales & Marketing
Telephone: (450) 641-3090
Fax: (450) 641-6113
Email:
bestj@spectrapremium.com Kerry Best
Title: Vice President
Area of Responsibility: Manufacturing/Production/Operations
Telephone: (450) 641-3090
Fax: (450) 641-6113
Cathy Owen
Title: Vice President
Telephone: (450) 641-3090
Jacques Mombleau
Title: President
Area of Responsibility: Management Executive
Telephone: (450) 641-3090
Gilles Tremblay
Title: Director
Area of Responsibility: Government Relations
Telephone: (450) 641-3090
Fax: (450) 641-6113
Email:
tremblayg@spectrapremium.com Denis Poirier
Title: Vice President
Area of Responsibility: Finance/Accounting
Telephone: (450) 641-3090
Richard J. Grenier
Title: Vice President
Area of Responsibility: Administrative Services
Telephone: (450) 641-3090
Bernard Blouuin, ing.
Title: Vice President
Area of Responsibility: Research/Development/Engineering
Telephone: (450) 641-3090
Rick Calagoure
Title: Vice President
Telephone: (450) 641-3090
Email:
calagourer@spectrapremium.com Louis Juneau
Title: Vice President
Area of Responsibility: Administrative Services
Telephone: (450) 641-3090
Daniel Mais
Title: Vice President
Area of Responsibility: Finance/Accounting
Telephone: (450) 641-3090
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Company Description
Innovative and future-oriented, Spectra/Premium Industries Inc. (SPECTRA) is the leading worldwide manufacturer of new fuel tanks for the replacement-parts market. In a market previously dominated by recycled parts, SPECTRA offers new fuel tanks, sending units and oil pans that meet or exceed OEM standards.
SPECTRA is the Canadian leader in the replacement-radiator, radiator-parts, new-condenser and rebuilt oil-pan markets.
Always a pioneer, SPECTRA makes the most of its own dies and tools to ensure consistent quality control in production, thus offering its customers superior products at the best quality/price ratio in the market.
SPECTRA products reach consumers through an extensive distribution network that includes all major retail chains and parts distributors, totalling over 200 warehouses and 10,000 points of sale in Canada, the United States and Europe.
Based in Boucherville, on the outskirts of Montreal, SPECTRA currently employs approximately 1,580 employees and operates eight plants and 18 distribution centres across Canada, the United States and Europe.
Country of Ownership: Canada
Year Established: 1989
Exporting: Yes
Quality Certification: ISO 14001 ISO 9001
Primary Industry (NAICS): 336390 - Other Motor Vehicle Parts Manufacturing
Primary Business Activity: Manufacturer / Processor / Producer
Total Sales ($CDN): $50,000,000 +
Export Sales ($CDN): $50,000,000 +
Number of Employees: 1500
Funny, the second tank (CR9A - Charger tank) with the right finish had no ECS tubes and used different construction methods for the welds. Both painted tanks, the one from YO and the one from Spectra used a radius weld on the corner pinches. I should post some pics. 
