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1990 Ford Mustang Head Swap - Back In Business

RHS Head Install Reducer
Reducers are used on all of... 
   
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RHS Head Install Reducer
Reducers are used on all of the studs and must be covered with moly-lube.
RHS Head Install Thread Lubrication
Once again, use moly-lube... 
   
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RHS Head Install Thread Lubrication
Once again, use moly-lube on the threads.
RHS Head Install Rocker Arm
With the heads torqued into... 
   
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RHS Head Install Rocker Arm
With the heads torqued into place it was time to measure the pushrod length. It required the installation of a rocker arm and an adjustable pushrod checker. Once the desired height was found, we checked all the intake and exhaust rocker arms and pushrods. We measured the pushrod length to be 6.350 inches using a pair of calipers.
RHS Head Install Pushrods
With the heads torqued into... 
   
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RHS Head Install Pushrods
With the heads torqued into place it was time to measure the pushrod length. It required the installation of a rocker arm and an adjustable pushrod checker. Once the desired height was found, we checked all the intake and exhaust rocker arms and pushrods. We measured the pushrod length to be 6.350 inches using a pair of calipers.
RHS Head Install Rocker Arm Oiling
Once the correct pushrods... 
   
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RHS Head Install Rocker Arm Oiling
Once the correct pushrods were slid into place, the Pro Magnum rocker arms were oiled and bolted down. We used washers under the rocker arm studs to help the thread engagement on the poly-lock.
RHS Head Install Rocker Arm Install
Once the correct pushrods... 
   
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RHS Head Install Rocker Arm Install
Once the correct pushrods were slid into place, the Pro Magnum rocker arms were oiled and bolted down. We used washers under the rocker arm studs to help the thread engagement on the poly-lock.
RHS Head Install Intake Gasket Trimming
The Fel-Pro intake gaskets... 
   
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RHS Head Install Intake Gasket Trimming
The Fel-Pro intake gaskets were trimmed and laid on to the intake side of the RHS heads.
RHS Head Install Intake Placement
The intake is lowered into... 
   
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RHS Head Install Intake Placement
The intake is lowered into place and the injector harness and fuel rails are reattached.
RHS Head Install Intake Port Check
Eric Holliday uses a flashlight... 
   
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RHS Head Install Intake Port Check
Eric Holliday uses a flashlight to check each port to make sure it lines up with the cylinder head. He is also making sure the intake gasket is not protruding in the intake port. "Intake gasket alignment is critical in regards to restricting airflow," Burcham says.
RHS Head Install Valve Cover Install
Phil Watson uses the stock... 
   
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RHS Head Install Valve Cover Install
Phil Watson uses the stock valve covers with the double-thick gaskets to help clear the rocker arms. This worked just fine in our application. Holliday torques down the intake manifold to 20 ft-lb, but he first started at 10 ft-lb. Begin in the middle and use a criss-cross pattern.
RHS Head Install Coolant Temperature Sensor Placement
The water-coolant temperature... 
   
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RHS Head Install Coolant Temperature Sensor Placement
The water-coolant temperature sensor is screwed into place.
RHS Head Install Upper Intake Manifold Install
Watson bolts the upper intake... 
   
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RHS Head Install Upper Intake Manifold Install
Watson bolts the upper intake manifold back on.
RHS Head Install Sparkplugs
Autolite 3924 spark plugs... 
   
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RHS Head Install Sparkplugs
Autolite 3924 spark plugs or equivalent are required with these cylinder heads. We gapped them to 0.042 inch.
RHS Head Install Sparplug Wire Attachment
The spark plugs are installed,... 
   
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RHS Head Install Sparplug Wire Attachment
The spark plugs are installed, the distributor reinstalled, and the spark plug wires attached to the spark plugs. Timing was set at 15 degrees for all testing.
RHS Head Install Complete Install
The install is complete.

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