Results 1 to 4 of 4

Thread: Chassis

  1. #1


    Im building a chromoly round tube chassis and I want to run my fuel line along the chassis but Im not sure how to fasten it. I was thinking of using threaded inserts ( drill hole and install ) but Im not sure if that will do. This car will be used for street/strip.Any help would be appreciated.

  2. #2
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
    Join Date
    Mar 2008
    Emmett, Idaho
    Any time you drill a hole in tubing, you make a potential weak spot. Acceptable in none stress areas and 1/8" or smaller holes.

    Alternatives are;
    - Drill all the way through, welding in a small tubing for 'through' bolting

    - Weld on a tab with a hole for using a multitude of available nylon or metal fasteners and clamps

    - Purchasing / machining a 'double' clamping device that clamps over the chassis tubing and also captures your smaller diameter fluid tubing
    to those who

    God Bless our folks in uniform
    "We the People, have your backs"

  3. #3
    Senior Member SENIOR BUILDER
    Join Date
    Feb 2008


    Yella had some excellent methods, I'll add what I've done many times. In addition to drag racing, I build and fly experimental aircraft for a hobby. Go to and then type in the search window, Adel clamp. These come in sizes by 1/16" all the way up to at least 3" in diameter. For example, MS21919-DG5 is for a 5/16" diameter tube, MS21919-DG18 is for a 1 and 1/8th diameter tube, and so on. I'm not pushing Aircraft Spruce, but just giving you a place that you can go to. There are other suppliers of aircraft grade hardware.
    On your fuel line, you would use a larger diameter clamp on the chassis tubing, then put a smaller diameter clamp onto you fuel line, and secure them to each other with a short bolt. When properly sized, they fit securely on whatever they are attached to. They are much more secure, and look much better than wire ties. And no welding required, and you can move them later if you want to. They also come in heat resistant types. And like most aircraft grade hardware and fastners, they are very strong, but also as light as possible. Aircraft and race cars, have one common enemy, weight! Hope this helps you. dgh

  4. #4
    Thanks for the info guys.Now I know what direction to go.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
Copyright © 2005-2016 All Rights Reserved.

Designated trademarks and brands are the property of their respective owners. Use of this Web site constitutes acceptance of the
Terms of Use, Classifieds Disclaimer, Privacy Policy, and Cookie Policy