AN Hose 101

This is where you can find everything you need to know about Hot Rod AN LLC PTFE lined braided AN hose and PTFE AN Fittings. From How to's, FAQ's, quick notes, education and more on all things related to AN Plumbing.
C5 Corvette 58 PSI Filter/Regulator LS-Swap Plumbing: Diagram, Parts & Install
C5 Corvette 58 PSI Filter/Regulator LS-Swap Plumbing: Diagram, Parts & Install
C5 Corvette 58 PSI Filter/Regulator — LS Swap Plumbing Diagram & Parts List The C5 Corvette filter/regulator (fixed 58 psi / 4 bar) makes a clean return-less LS fuel system: one feed to... Read more...
GM Quick-Connect to AN — Adapter Cheat Sheet for LS/EFI Swaps
GM Quick-Connect to AN — Adapter Cheat Sheet for LS/EFI Swaps
Stop guessing adapters. This guide shows how to ID 3/8″ feed and 5/16″ return GM quick-connects, when Hot Rod AN’s filter/regulator lets you run AN-6 with no adapters, and how... Read more...
PTFE fitting in vice jaw with wrench for install
How to Cut & Assemble PTFE AN Hose: Clean, Leak-Free, No Drama
Build leak-free PTFE AN lines the right way. This step-by-step shows how to wrap before cutting, use PTFE shears, install the olive (ferrule), torque with aluminum wrenches, clock the swivel,... Read more...
Corvette filter regulator with Hot Rod AN orange fittings attached
EFI Fuel Filter Microns & Placement: 10 micron vs 100 micron | Hot Rod AN
Micron choice and filter placement make or break a fuel system. This guide shows exactly what to run and where: the in-tank sock (or 100 micron) on the inlet, ≤10... Read more...
AN vs ORB vs NPT vs NPSM: The No-Leak Guide (Sealant Rules Inside)
AN vs ORB vs NPT vs NPSM: The No-Leak Guide (Sealant Rules Inside)
Stop the drips. This no-leak guide decodes AN, ORB, NPT & NPSM with a quick ID chart, sealant rules, updated size/thread tables, and a clear NPSM transmission case cheat sheet... Read more...
Fuel Filters 101 Why fuel filters matter?
Fuel Filters 101 Why fuel filters matter?
Fuel Filters 101 – Keep Your Engine Fed and Protected Imagine investing thousands into your high-performance engine build—only to have it sputter, run lean, or even suffer internal damage because... Read more...
AN PTFE hose spec chart and construction
What is fuel permeation and how does it affect your choice of AN fuel line?
If your garage smells like gas, blame permeation. Rubber AN hose lets vapors escape; PTFE-lined hose doesn’t. Get the science, the safety stakes, and the upgrade path that actually fixes... Read more...
Why should you buy your new PTFE Stainless or Nylon braided AN fuel hose from Hot Rod AN LLC?
Why should you buy your new PTFE Stainless or Nylon braided AN fuel hose from Hot Rod AN LLC?
Why should you buy your new AN braided stainless or Nylon hose and AN fittings from Hot Rod AN LLC? That is a great question, here is a list of... Read more...
What is PTFE AN hose and why is it better than rubber lined AN hose?
What is PTFE AN hose and why is it better than rubber lined AN hose?
Why Use PTFE Hose for Your Hot Rod Build? Technical Benefits & Pro Tips So, you’ve heard about Hot Rod AN LLC and all this PTFE hose buzz? Great—let’s dive... Read more...
Ultimate GM & Chevy LT Gen V fuel system swap guide for AN hose
Ultimate GM & Chevy LT Gen V fuel system swap guide for AN hose
Ultimate LT Gen V Fuel System Swap Guide Move over LS, LT Gen V engines are the next popular Hot Rod and classic vehicle engine swap About the GM &... Read more...
Understanding Minimum Bend Radius on AN PTFE hose
Understanding Minimum Bend Radius on AN PTFE hose
AN Hose Bend Radius & AN hose Install limitations Understanding automotive plumbing install limitations to AN hose curvatures and routing.  When you go to install your new Hot Rod fuel... Read more...
What is pressure drop and how do flow rates affect it? Selecting the right AN PTFE Hose size
What is pressure drop and how do flow rates affect it? Selecting the right AN PTFE Hose size
Flow rates and how they impact pressure drop and what it means for correct AN hose size selection.  Hot Rod AN LLC carries three sizes of PTFE lined and stainless... Read more...