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Old 01-14-2019, 11:51 PM   #126
RvolvoR
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honestly, what works best for cleaning the undercoating off of the bottom of the tank is gasoline. It will soften it up to the point of being able to wipe it off.
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Old 01-15-2019, 12:06 AM   #127
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Good call, I haven't gotten to the bottom yet, I did a few swipes at it, the lighter colored stuff chips right off, the darker stuff is stickier so will get soaked in gas or MEK when I get there. Gas or diesel probably, it smells better haha. Now very close to finishing the rough cleaning of the top of the tank
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Old 01-15-2019, 01:29 AM   #128
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also, you could just get it powdercoated
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Old 01-15-2019, 08:42 AM   #129
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I've tried to powdercoat galvanized steel before and it always outgassed in the oven, causing a ton of bubbles, but maybe professional equipment can do that. I like that idea, I'll look into it.
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Old 01-15-2019, 09:51 AM   #130
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that's a nifty surge tank, but only 2L? doesn't leave much to error with the lift pump configuration.
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Old 01-15-2019, 09:28 PM   #131
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I thought it would be enough based on, well nothing concrete except they don't make a bigger one. I am using an Aeromotive 340 lph for a lift pump. I thought that would be enough, especially in N/A mode. I'd love to hear from more you guys that know this stuff better than I do. My tuner has been busy and I'm basically planning everything myself. That has lead to buying a couple things more than once .
I pretty much have everything now for the fuel system:
Aeromotive 340 lph lift pump
Surge tank with two Walbro 255's in it
Two 10 micron fuel filters
Y fitting: two -6 AN to one -8 AN
Earlier return style fuel rails
Bulkhead fitting for surge tank return -8 AN
42lb injectors
New used fuel tank, new sending unit

That should easily feed the current 450 hp, hopefully a good bit more as well.
Any thoughts welcomed!
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Old 01-17-2019, 10:28 PM   #132
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Guess I'm good to go then since no one has anything to say about my fueling plan. Peeling undercoating is so much fun! Heat gun and my used up Subway gift card are the main tools and working great!
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Old 01-18-2019, 09:07 PM   #133
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10 micron fuel filters are here, look dam nice and match the surge tank.
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Old 01-19-2019, 10:54 PM   #134
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So I have cleaned the undercoating off my fuel tank, but the inside is brown with fuel residue. That's fine if you aren't going to stick it in an oven for powdercoating...and having it cleaned properly is not that easy. Its very easy to clean the inside with POR 15 tank cleaner if you aren't going to do anything that involves heating/outgassing of residue. With the discussion we had in another thread people weren't liking the aftermarket fuel tanks, but no one including myself thought to look for a new factory tank. Guess what, you can still get them Skandix has them and they have a flat rate weight based shipping. I already have an order in with them so we'll see if they charge more due to the size, emailed them tonight.
I have been talking to myself here for a few posts, but maybe someone else can use this info lol.
Another fuel tank fact not talked about much, there is a baffle under the sending unit, probably to stop the gauge from fluctuating because it is parallel to the bottom of the tank, it doesn't look like it will stop fuel starvation around hard cornering or heavy acceleration.
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Old 01-19-2019, 11:21 PM   #135
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Did you ask them if the tank was OE or aftermarket? Skandix usually identifies the parts that are original Volvo and the tank isn't.

While you're correct that the tank is still available from Volvo (there are 150 of them in Sweden), it shows up as discontinued in the online catalogs. If you want to try to get an OE tank, PM my brother planetman.
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Old 01-19-2019, 11:31 PM   #136
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You guys to the rescue again, thanks man! Skandix shows 6 in stock but it doesn't confirm they are OEM. If guys aren't hitting hiperfauto and planetman for parts you are missing out!
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Old 01-20-2019, 12:20 AM   #137
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Quote:
Originally Posted by hiperfauto View Post
Did you ask them if the tank was OE or aftermarket? Skandix usually identifies the parts that are original Volvo and the tank isn't.

While you're correct that the tank is still available from Volvo (there are 150 of them in Sweden), it shows up as discontinued in the online catalogs. If you want to try to get an OE tank, PM my brother planetman.
It's available over there. I kind of suspect the Swedes are trying to keep the parts to themselves. lol.

Nice build. Looking like a lot of fun is in the near future.
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Old 01-20-2019, 08:51 PM   #138
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Thanks! I'm not sure how near the fun is, it's been a pretty slow motion project...

Ya I found out what they want for an OEM tank, pretty pricey. I'm trying to figure out what I want to do
1-Finish my nice used tank, but it needs to be purged of fuel residue somehow to powdercoat it-about $500 to finish
2-Buy new OEM tank and powdercoat it $700 to $800 to finish
3-Buy aftermarket tank and powdercoat it $450 to $500 and less work than option 1
Obviously 3 is the logical option except its aftermarket tank...
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Old 01-24-2019, 08:27 AM   #139
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ending mine was very easy, I flushed it with water and dishwasher detergent a few times. Cost nothing and now I have two walbro 450's. I'm also using l33 haha!
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Old 01-24-2019, 10:59 AM   #140
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Quote:
Originally Posted by 2turbotoys View Post
I thought it would be enough based on, well nothing concrete except they don't make a bigger one. I am using an Aeromotive 340 lph for a lift pump. I thought that would be enough, especially in N/A mode. I'd love to hear from more you guys that know this stuff better than I do. My tuner has been busy and I'm basically planning everything myself. That has lead to buying a couple things more than once .
I pretty much have everything now for the fuel system:
Aeromotive 340 lph lift pump
Surge tank with two Walbro 255's in it
Two 10 micron fuel filters
Y fitting: two -6 AN to one -8 AN
Earlier return style fuel rails
Bulkhead fitting for surge tank return -8 AN
42lb injectors
New used fuel tank, new sending unit

That should easily feed the current 450 hp, hopefully a good bit more as well.
Any thoughts welcomed!
my wagon has a single 450 in-tank, and -6 an line going from the oe filter to the rail. works great to around 750whp
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Old 01-24-2019, 10:27 PM   #141
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So my setup is a bit overkill until turbos? I know at higher power levels my in tank pump might need to be larger, but I figured it would take a while to drain the surge tank under heavy acceleration, longer than I would need to worry about. It's not going to spend a full 60 seconds at full throttle or something nuts like that.
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Old 01-25-2019, 01:30 AM   #142
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I needed the second pump near 700 wheel, I've never needed a surge tank zero issues
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Old 01-25-2019, 08:51 AM   #143
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My tank has no baffles, and I expect it to be able to launch/corner hard enough to slosh the fuel away from the pump, I've experienced it many times in other cars, maybe 240s are different, idk, but I already have the tank so its a bit of a moot point.
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Old 01-25-2019, 09:41 AM   #144
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Have to ask why you're hell bent on PC for the tank? It seems to be creating a big obstacle and cost for you, and I don't see the gain. Clean it up inside and out, put a nice finish of paint on it and rock out!
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Old 01-25-2019, 03:48 PM   #145
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Mines all factory paint minus where I welded. I sprayed that years ago and its fine.
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Old 01-25-2019, 03:57 PM   #146
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I was focused on solving the problem, after stepping back from it for a few days I am just going to have it cleaned by the radiator repair shop near me (2 miles away and cheap to dip the tank) and paint or undercoat it. I will probably just use some of our military surplus paint we have at work, some of it is pretty tough.
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Old 02-01-2019, 11:55 PM   #147
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My slow motion project is almost halted by days of single digit temps, dam its cold in here, even my Simple Green froze..



On the plus side, I found this 1 1/2" nail remnant embedded in my new Conti DWS rear tire and removed it without any leaks

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Old 02-03-2019, 11:46 PM   #148
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Wow! That’s a cold garage, I may have to copy your Volvo emblem idea on my toolbox too.
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Old 02-04-2019, 09:15 PM   #149
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Weirdly enough it was 60 degrees today... haha I have various emblems stuck on my tool boxes, seemed better than sitting a drawer
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Old 02-04-2019, 11:17 PM   #150
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Thought I would include some of the side stuff on this project, here is a set of NOS fog lights and covers I got (wiring included! blackvlv on ebay), as well as the outer C pillar emblems from Skandix.



A portion of my mostly NOS or very good condition scores..



I'm hoarding this stuff because I want to keep this car forever, if you have something I might be interested in PM me, any wear parts especially, I'm even interested in that crusty box of plastic clips, nuts, bolts, switches you got.

My always changing wanted list:

https://forums.tbforums.com/showthread.php?t=346269
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