- Joined
- Jul 21, 2012
- Messages
- 3,240
- Reaction score
- 16
- Location
- South Florida
- My Car
- '71 Mustang Mach 1 M-code "Soylent Green"
'69 Plymouth Valiant 100
'68 Plymouth Satellite
The Edelbrock Performer 400 4-barrel conversion for the 2V 400/351M engines have been intriguing me for a while - and since the '78 Mark V has had an intake manifold gasket leak on it for a while, I decided to try the conversion out myself.
List of parts (as it stands now):
Edelbrock Performer 400
Holley 1850-4 #4160 (wrong carb though; might have to swap)
Felpro 1240 intake gaskets
Holley 108-51 carb base gasket with heat shields
The setup:
I'll also need to get some brake line to flare and bend to connect the PCV. I did this once before on my Mustang's 351C with excellent success:
I pulled the Mark V's original Ford (steel) 2V intake today, and almost castrated myself in doing so. 70 pounds of worthless iron, in my book.
Underneath, the replacement valley pan gasket - Ford's wonderful idea of preventing boiling oil on the bottom of the intake due to EGR. Note the gap at the bottom of each intake port:
My guess is that the rubber end gaskets kept the valley pan gasket from seating at the proper height, leaving a gap at the bottom of the intake ports.
At any rate, I was able to install the Fel Pro 1240 gaskets with no problems - the adhesive cork at the ends worked beautifully, and I tacked the gaskets with the slightest dot of Permatex High-Tack gasket sealant on each side to hold them in place. RTV'ed the corners, and slid the manifold in without breaking my back. It went in perfect the first time.
A hellish rainstorm prevented me from getting any farther, but here is how it sits at the moment. Forgive the poor lighting.
FYI: No timing chain or camshaft swaps planned. Can't afford to have the Mark V out of service.
-Kurt
List of parts (as it stands now):
Edelbrock Performer 400
Holley 1850-4 #4160 (wrong carb though; might have to swap)
Felpro 1240 intake gaskets
Holley 108-51 carb base gasket with heat shields
The setup:
I'll also need to get some brake line to flare and bend to connect the PCV. I did this once before on my Mustang's 351C with excellent success:
I pulled the Mark V's original Ford (steel) 2V intake today, and almost castrated myself in doing so. 70 pounds of worthless iron, in my book.
Underneath, the replacement valley pan gasket - Ford's wonderful idea of preventing boiling oil on the bottom of the intake due to EGR. Note the gap at the bottom of each intake port:
My guess is that the rubber end gaskets kept the valley pan gasket from seating at the proper height, leaving a gap at the bottom of the intake ports.
At any rate, I was able to install the Fel Pro 1240 gaskets with no problems - the adhesive cork at the ends worked beautifully, and I tacked the gaskets with the slightest dot of Permatex High-Tack gasket sealant on each side to hold them in place. RTV'ed the corners, and slid the manifold in without breaking my back. It went in perfect the first time.
A hellish rainstorm prevented me from getting any farther, but here is how it sits at the moment. Forgive the poor lighting.
FYI: No timing chain or camshaft swaps planned. Can't afford to have the Mark V out of service.
-Kurt
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