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#1
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Fuel line mounting
After much deliberation and conversation with Holley techs I have decided to plumb my entire fuel system with earls vapor guard hose. Holley assures me this will be ok and the only guidance they gave me was to support it every 6-8 inches. I have the 3/8 steel/rubber supports that you put a screw thru and it basically clamps it to whatever you want to fasten it to. My question is, is there a sheet metal screw out there quality enough to screw thru the frame to set these clamps or am I gonna have to drill little holes and fasten little tiny bolts and nuts all up the frame rail?
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#2
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Yes, pretty much any appropriately sized hex head tek screw will work fine.
I'm plumbing the fuel & brake lines on my frame now, too, but I'm using copper-nickle metal hardlines. Pretty easy to work with.
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1966 Pontiac GTO (restoration thread) 1998 BMW 328is (track rat) 2023 Subaru Crosstrek Limited (daily) View my photos: Caught in the Wild |
#3
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Are you using those screws? I drilled holes in the frame for the new crossmember location today and it was a bitch. I just wanted to make sure those screws go thru
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#4
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I will indeed be using tek screws like pictured above. I haven't gotten to that point yet, but I have used enough tek screws in the past to know they should work fine. It shouldn't be terribly difficult, since I plan to use the existing holes in the frame for all mounting locations except one which no longer exists in my case because I boxed in the frame. And since I'm using the existing holes, all the tek screws will be doing is slightly enlarging the holes, which should be very easy for them to accomplish. Shouldn't be any different in your case.
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1966 Pontiac GTO (restoration thread) 1998 BMW 328is (track rat) 2023 Subaru Crosstrek Limited (daily) View my photos: Caught in the Wild |
#5
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Be careful of those screws the heads can break off. I recommend Tek 5. Colum screws or super tek. You can get them from fastenal. We use them in construction to drill in steel I beams. Fwiw. Tom
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#6
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ZeGermanHam, nice frame. I thought it was a convertible frame. I guess it is a convertible frame....only You converted it!
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#7
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Thank you! I'm looking forward to finishing the plumbing and then moving onto cleaning up the engine & trans and getting them mounted again.
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1966 Pontiac GTO (restoration thread) 1998 BMW 328is (track rat) 2023 Subaru Crosstrek Limited (daily) View my photos: Caught in the Wild |
#8
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Quote:
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Will Rivera '69 Firebird 400/461, 290+ E D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears ‘66 Lemans, 455, KRE D-Ports, TH350, 12 bolt 3.90 gears '69 LeMans Vert, 350, #47 heads: work in progress |
The Following User Says Thank You to grivera For This Useful Post: | ||
#9
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I was thinking the same thing. With his car being partially disassembled and not needing to be back on the road tomorrow, I'd recommend using copper-nickel hardlines. They will take a little longer to install, but they're more forgiving than stainless lines, and not that difficult ultimately. And you end up with hardlines, which is always better. Using flexible hose is okay, but the reason why Holley recommended using Earls Vapor Guard hose is because they own Earls. I'd wager that any impartial source would recommend hardlines of some form.
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1966 Pontiac GTO (restoration thread) 1998 BMW 328is (track rat) 2023 Subaru Crosstrek Limited (daily) View my photos: Caught in the Wild |
#10
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One thing to think about with your fuel line choice is how the vehicle will be operated. If you plan on taking this thing to the drag strip, the EFI soft lines are kind of a gray area in the rule book and open to the interpretation of the tech. I've spoken to the same tech office twice about this as I run the soft line and I received two different answers.
I've had soft line in my car now for 5 years and it's doing just fine. So for a reliability stand point, I wouldn't worry about using soft line as long as it's supported and routed in a way that it's not going to get nicked, cut, bent etc. But, if you have any real plans to take the car to racing events of any kind that require a tech inspection, just do the hard line so you know you're in compliance with the safety regs.
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-Jason 1969 Pontiac Firebird |
#11
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Jason, do you have PTFE line or rubber compound? If a rubber compound I can’t imagine that lasting the lifetime of the vehicle like a metal line would. It’s different when a car is fully assembled but a metal line seems the better choice if install isn’t too difficult.
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Will Rivera '69 Firebird 400/461, 290+ E D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears ‘66 Lemans, 455, KRE D-Ports, TH350, 12 bolt 3.90 gears '69 LeMans Vert, 350, #47 heads: work in progress |
#12
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I don’t plan on taking it to anything but test and tune MAYBE. As far as the hardline, I went back and forth on this and how to route it and pros and cons and filter placement and AN fittings etc etc etc. After all was said and done I came to the conclusion that the Earls vapor guard was a banG for the buck thing. Do I plan on changing it every 5-10 years...yes, is it as simple as rolling out rubber line...yes. Other than the front end being off the car is no longer disassembled. To be honest with you I am more concerned about the parking brake. I know this sounds obtuse but the cables were missing when I bought the car and the diagram baffles me.
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#13
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Quote:
None of this stuff (including hard lines) are going to last the lifetime of the vehicle. Ask GM pickup owners about that. The hard lines will of course last much longer however. Fortunately the soft line stuff is pretty easy to keep an eye on. If you utilize a fuel filter with a replaceable element, you can easily check on the health of the hose as the inside will start to sluff off and accumulate in the filter. Once you see this, it's time to change the hose.
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-Jason 1969 Pontiac Firebird |
#14
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Quote:
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Will Rivera '69 Firebird 400/461, 290+ E D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears ‘66 Lemans, 455, KRE D-Ports, TH350, 12 bolt 3.90 gears '69 LeMans Vert, 350, #47 heads: work in progress Last edited by grivera; 05-15-2020 at 12:01 AM. |
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