Fuel tank st165

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Re: Fuel tank st165

Postby Tippo » Wed Nov 16, 2022 1:30 pm

What a lucky find! Looks to be in usable shape AND you have the sending unit!! :shock: that alone is worth it. Before you toss it in, make sure it's 100% clean and rust free. Ask any of us who had the issue for a reason / experience of why that's important lol. Grind down all rust, primer, paint and coat. Ultra important.
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Re: Fuel tank st165

Postby Bori » Wed Nov 16, 2022 2:03 pm

Tippo wrote:What a lucky find! Looks to be in usable shape AND you have the sending unit!! :shock: that alone is worth it. Before you toss it in, make sure it's 100% clean and rust free. Ask any of us who had the issue for a reason / experience of why that's important lol. Grind down all rust, primer, paint and coat. Ultra important.


Thanks! I'll be taking my time on getting this cleaned and painted properly for sure. I do have questions though. Are there gaskets that need to be replaced? (if so, where is the best place to get them) and it looks like I'll have to replace that piece in the red circle. know anywhere i could get that or do I have to go on a mad search again? i have many noob questions to come :D :D
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Re: Fuel tank st165

Postby simple » Wed Nov 16, 2022 2:23 pm

The gaskets are all available from Toyota. Definitely replace them. You don't need to grind the rust BTW. There are products that you can soak the parts in that clean it even better. The whole tank can get soaked, that is what I had a specialist do.
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Re: Fuel tank st165

Postby Tippo » Wed Nov 16, 2022 2:41 pm

simple wrote:The gaskets are all available from Toyota. Definitely replace them. You don't need to grind the rust BTW. There are products that you can soak the parts in that clean it even better. The whole tank can get soaked, that is what I had a specialist do.


I disagree with not grinding down rust to ensure it's all gone outisde of the tank. Inside requires soak. If the paint is not bubbled and there are visible signs of no bubbling/damaging rust, you can get by with a soak. Aside from that rust removal, i agree on the gasket situation. Also, gt4play has the gaskets here:

https://gt4-play.co.uk/shop/parts/fuel-system

I can vouch for them. My Lazarus build thread has a full write-up on tank refurbishment.
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Re: Fuel tank st165

Postby Bori » Wed Nov 16, 2022 3:33 pm

I just looked up a few products for the rust. (Evapo-Rust ) is one of them. Leaning towards that and letting it soak. There really isn't any bubbling. Mostly surface. Have any of you tried POR-15 for coating? Looking into that too. Thanks for the link "Tippo" and I don't know why the search can't find "Lazarus build". Do you have the link? I'm going to start prepping the tank this weekend.
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Re: Fuel tank st165

Postby simple » Wed Nov 16, 2022 3:47 pm

Yeah I soaked the fuel pump assembly and the intake tube in evapo-rust. Worked great!
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Re: Fuel tank st165

Postby Bori » Wed Nov 16, 2022 4:01 pm

simple wrote:Yeah I soaked the fuel pump assembly and the intake tube in evapo-rust. Worked great!


Good to know. I post pics after it's all cleaned up and painted.
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Re: Fuel tank st165

Postby Tippo » Wed Nov 16, 2022 7:11 pm

Bori wrote:I just looked up a few products for the rust. (Evapo-Rust ) is one of them. Leaning towards that and letting it soak. There really isn't any bubbling. Mostly surface. Have any of you tried POR-15 for coating? Looking into that too. Thanks for the link "Tippo" and I don't know why the search can't find "Lazarus build". Do you have the link? I'm going to start prepping the tank this weekend.


viewtopic.php?f=44&t=53834

viewtopic.php?f=44&t=53834&start=15

Best of luck! I've done this multiple times in multiple forms of tank condition. Just make sure the pinch welds are free of rust or they WILL continue to rust over time. You can always do a once over, but every bit of rust / rust flakes should be removed before adding paint. Otherwise that's like putting ointment on cancer rather than cutting it out.

It's hard to tell from the pictures, but the tank looks like it's in great shape. Either way, you're way better off than you were with that tank. If you paid anything less than $500 you did REALLY well.
1992 SW20 MR2 Turbo 4th Gen 3SGTE Swap. Aquamarine Pearl. "Priscilla"
1992 ST185 Celica All-Trac Turbo 4th Gen 3SGTE Swap. Teal Metallic. "Lazarus"
1990 ST185 Cellica All-Trac Turbo. Grey Metallic. "Mirum"
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Re: Fuel tank st165

Postby Bori » Wed Nov 16, 2022 7:30 pm

Tippo wrote:
Bori wrote:I just looked up a few products for the rust. (Evapo-Rust ) is one of them. Leaning towards that and letting it soak. There really isn't any bubbling. Mostly surface. Have any of you tried POR-15 for coating? Looking into that too. Thanks for the link "Tippo" and I don't know why the search can't find "Lazarus build". Do you have the link? I'm going to start prepping the tank this weekend.


viewtopic.php?f=44&t=53834

viewtopic.php?f=44&t=53834&start=15

Best of luck! I've done this multiple times in multiple forms of tank condition. Just make sure the pinch welds are free of rust or they WILL continue to rust over time. You can always do a once over, but every bit of rust / rust flakes should be removed before adding paint. Otherwise that's like putting ointment on cancer rather than cutting it out.

It's hard to tell from the pictures, but the tank looks like it's in great shape. Either way, you're way better off than you were with that tank. If you paid anything less than $500 you did REALLY well.


WOW, that's one heck of a thread. The tank came out amazing! Now I'm pumped. Can't wait to get this done. Already ordered the gaskets from GT4 play. 8) 8)
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