Patriot H8046 Installation guide

Type
Installation guide
Installation Instructions & Warranty Information
#H8046 ~ 1955-1957 Chevrolet
LS Engine Swap
REV. 5 5-16-22 DSL
DISASSEMBLY
1. Remove bolts attaching Catalytic converters to stock manifolds.
2. Remove the Cats from the car
3. Unplug the forward 02 sensors from the harness.
4. Remove the spark plug wires and spark plugs.
5. Remove the 6 manifold bolts from each manifold.
6. Remove the manifolds from the car. Remove the gaskets and any gasket material or any
carbon deposits that remain on the heads
INSTALLATION
1. Remove the O2 Sensors from the stock manifolds and install them into the Patriot Headers.
Use a small amount of Anti Seize on the threads; be careful not to get any on the probe as this
can contaminate the sensor causing poor running and decreased performance.
2. Install the right side header and gasket using the supplied bolts and washers. Use Anti Seize
 onthebolts.Torqueto13lbs/ft.Tightenthecentertwoboltsrstandthenworkyourwayout.
3. Install the left side header and gasket using the supplied bolts and washers using the anti
seize in the same manner as the right side.
4. Install the spark plug wires and O2 sensor connector.
5. Bolt the reducers to the collectors using the supplied gaskets, and hardware.
6. If you are retaining the Cats, weld them to the supplied reducers, otherwise weld you exhaust
system to the reducers.
7. Connect the negative battery cable.
Parts List
1 Left side header 2 Reducers
1 Right side header 2 Collector Gaskets
2 Header gaskets 12 8mm-1.25 x 25mm, header bolts
1 02 Sensor Plug 6 3/8” X 1 1/4”Collector Hex head bolts
6 3/8-16 Hex Nuts
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Patriot H8046 Installation guide

Type
Installation guide

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