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74 z tank vs. 75 z tank - Swappable?


baddriver

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I have an early 74 Z that I am planning a fuel injection swap in. As I understand it, the current tank cannot be used without some sort of fuel resevoir because the tank isn't baffled suffficiently for a fuel-injected application.

 

I searched the archives, and what I think I have learned, is that the '75 Z has fuel injection, and still used the full size spare, so that tank will fit on my 74, however, in 76 the Z switched to a different spare, and a larger tank was added that will not fit my car.

 

Is this correct? Are other people using the early FI tanks in 74 and earlier cars?

 

Thanks for your help,

Jeff E.

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Dmyntti,

 

I believe if you remove the spare tire well, you would probably be able to add any tank you want. If you remove it completely, I've seen at least one Z using the camaro fuel tank. The main advantage to that is that the tank isn't 30 years old.

 

Jeff E.

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  • 4 weeks later...
Guest shauno_

One thing I noticed with my 75, was that it still ran dry when i was cornering hard with approx a quarter tank of fuel. So i would push it around a sweeping left hander and the damn thing would starve and lose fuel pressure... So, i think that these tanks are not all that desirable for an efi swap. Sure they will fit and have bigger lines but they still don't seem to have sufficient baffles inside.

 

Personally I would recommend going to a sump underneath your existing tank. Sure you have to do some welding and fabbing but it would be a fail safe route. Especially if you're boosting you engine. It's not that expensive for the extra security and the feeling that you will never run dry around a hard turn. :lol:

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