This is what I did.
As far as I know, this tank has around 200k miles on it now.
From a similar thread...
Quote:
Originally Posted by N.RotaryTech
So I dropped the fuel tank.
I wish I took better/more pictures (will post up sometime this week), cause this was awful.
So the tank had a layer of brown gunk coating the insides.
The rectangular little basin right under the fuel pump, had maybe an inch or 2 of this brown gunk in it.
It was so bad, I put the fuel pump back in, and it wouldn't seat on the tank, i had to wiggle an push on it for it to seat.
So the bottom of the fuel pump must have been sitting on the pile of gunk.
Its all out of there now.
You can actually see metal now.
And the walls/separations are not rusted through.
I 1st flushed it with water from the garden hose, then put purple power through it, then flushed with water again, finally flushed with a quart of acetone.
Putting the tank back in was a pain.
But I got it done.
I think I actually felt more power when I drove it. ha ha ha.
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Quote:
Originally Posted by N.RotaryTech
Yeah, that brown gunk came out of the tank. There was chunks actually.
The inside.
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'89 RX7 GTU, half-Bridge-port S4/S5 NA, E6K, Full RB exhaust, weekend warrior.
'83 RX7, The "this might take awhile" project.
'87 RX7 GXL, Rest In Pieces.
'98 Subaru Impreza Outback-sport, rx7 rescue vehicle, down for repair.
'94 Ford Ranger, daily.
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