We fabricated a simple L-shaped aluminum bulkhead plate to mount the feed and return lines more or less hidden underneath the OEM battery tray. Our feed line is -10AN while the return line (that eventually routes to the bypass valve) is -8AN. Next up, we moved to the front of the car. We needed to run a feed line from the filter to somewhere near the engine (in our case, near the mechanical fuel pump). We also needed to fabricate a return line. We simply used sections of ½-inch OD aluminum tubing for the job. It took various heights of spacers and different length bolts to level the filter, but once done, this arrangement allows for easy access to either end of the filter. The fix here (and one you might want to copy) is to craft four spacers to locate the filter so that it’s level and accessible.įabricating spacers might sound difficult, but it certainly isn’t a big deal. This is curbside of the front subframe and also curbside of the frame connector which keeps the filter away from the exhaust system and away from any potential driveline carnage.Ī set of Holley billet filter mounting brackets were incorporated but there was a hitch: Mounting the filter wasn’t exactly painless due to the irregular shape of the floor pan. A single fuel filter was plumbed into the supply line.Ī high-capacity Holley HP billet inline fuel filter was mounted under the passenger seat area.
In the example shown in the accompanying photos below, the car was set up for a high volume mechanical pump.įuel was set up to be regulated at the carburetor with a mechanical fuel injection bypass valve (not shown) and then returned to the tank. When laying out a fuel system, it’s best to figure out where various components such as the fuel pump and filter(s) are mounted first.
More by the exhaust system and even more by the headers. No secret.Īnother point to consider is the need for servicing.įor example, the filter should be mounted in a spot where you can get at it. The term scrub line sounds exotic, but figure it this way: Think of what would rub (scrub) on your car if it had a tire go flat or worse, if an entire wheel departs.īottom line here is, you really don’t want the fuel line to be part of that potential mess.Īnother huge concern is heat. It’s really easy to get into trouble when routing fuel lines in your car.Ī couple of issues include keeping the line away from rotating parts (for example, a spinning wayward driveshaft or a potentially exploding clutch) and keeping the line away from the scrub line on a car. The idea is to set it up so that you can access each end of the assembly. Here you can see how the filter was spaced down to fit the irregular shape of the floor pan. Beginning with a fuel filter is a good idea. You have to start somewhere when routing fuel lines.
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