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| Fuel pressure drop with increased throttle (Page 4/5) |
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fierobear
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JUL 13, 10:26 PM
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| quote | Originally posted by Patrick:
I don't know if you've seen This recent post. Might do the trick! |
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Thanks, that looks promising.
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fierogt28
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JUL 13, 10:39 PM
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Looks like your going to need a new fuel pump and clean that tank. Replace the strainer too.  ------------------
fierogt28
88 GT, Loaded, 5-speed.
88 GT, 5-speed. Beechwood interior, All original.
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fierobear
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JUL 14, 12:40 AM
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| quote | Originally posted by fierogt28:
Looks like your going to need a new fuel pump and clean that tank. Replace the strainer too.
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I was planning to replace the fuel pump. Do we assume the existing pump is toast?
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fierogt28
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JUL 14, 01:09 AM
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| quote | Originally posted by fierobear:
I was planning to replace the fuel pump. Do we assume the existing pump is toast? |
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Since avoiding to dropping the tank again, I would put in a new fuel pump as cheap insurance.
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fierogt28
88 GT, Loaded, 5-speed.
88 GT, 5-speed. Beechwood interior, All original.
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fierobear
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JUL 14, 02:39 PM
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| quote | Originally posted by fierogt28:
Since avoiding to dropping the tank again, I would put in a new fuel pump as cheap insurance.
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Yeah. I have a new one on hand.
My friend talked about some product that coats the inside of the tank with a paint/sealer type coating. Patrick’s link talks about an acid cleaner, but it doesnt seem to be a coating. Any ideas?
Edit: i reread the link, and it looks like what i need.[This message has been edited by fierobear (edited 07-14-2020).]
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Gall757
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JUL 14, 02:55 PM
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| quote | Originally posted by fierobear:
Yeah. I have a new one on hand.
My friend talked about some product that coats the inside of the tank with a paint/sealer type coating. Patrick’s link talks about an acid cleaner, but it doesnt seem to be a coating. Any ideas?
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https://www.eastwood.com/ga...TEAQYAyABEgJgGfD_BwE
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fierobear
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JUL 14, 03:25 PM
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That looks great, thanks.
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Patrick
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JUL 14, 03:48 PM
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One of the concerns I might have if I was to use any of these tank cleaning agents is how they could possibly affect the plastic baffles in the tank. 
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Warlordsix
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JUL 14, 03:52 PM
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| quote | Originally posted by fierobear:
Yeah. I have a new one on hand.
My friend talked about some product that coats the inside of the tank with a paint/sealer type coating. Patrick’s link talks about an acid cleaner, but it doesnt seem to be a coating. Any ideas?
Edit: i reread the link, and it looks like what i need.
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Your friend is probably talking about a sealer known as "Kreem," or something similar. I've used it and do not recommend it for old, rusty tanks. It's basically like an acrylic paint. It does NOT remove the rust. It only paints over it, and surface rust is a poor foundation for paint. Over time it loosens up and the paint flakes off. It performs little different in an old, rusted tank (although it might be just fine inside a new tank). In comparison, phosphoric acid reacts with the ferrous metal to remove surface rust and, in essence, create a phosphate coating on the surface of the metal. A phosphate coating is very rust resistant. In the gunsmithing world this is basically called "parkerizing." I use phosphoric acid exclusively.  Don't sweat it.
Ernie
Here's a photo of the stuff I no longer use...Kreem...it's just a acryllic/latex-type paint/coating: ------------------
'87 Fiero 4.9 5-speed
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Warlordsix
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JUL 14, 03:53 PM
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| quote | Originally posted by Patrick:
One of the concerns I might have if I was to use any of these tank cleaning agents is how they could possibly affect the plastic baffles in the tank. |
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Phosphoric acid comes in a plastic bottle. Don't sweat it.
Ernie------------------
'87 Fiero 4.9 5-speed
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