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  • Title: Marcs 71 455HO
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  • Owner: Gallery Administrator

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IM002956

Marcs 71 455HO

  • Marc wants a 455 High Output for a Firebird Project. Well now we are gonna get to work on that project. There are many different types of rods that we could go with. Now some of these are a bit less expensive but in this case these are the starting ...

    • Marc wants a 455 High Output for a Firebird Project. Well n…
    • Views: 1220
    • By: Gallery Administrator

  • They also happen to be the best set for motors that could be twice as powerful as what we are gonna make. In this case it will fit within stock wheel wells. But if he decided to weld in Tubs he can. Hay, you never know.

    • They also happen to be the best set for motors that could be…
    • Views: 1172
    • By: Gallery Administrator

  • The step down in Connecting Rod choices would of been this set. In a 455 with good breathing heads I would of not recommended these though. I will sleep better at night knowing that he got a great motor with great rods.

    • The step down in Connecting Rod choices would of been this s…
    • Views: 1023
    • By: Gallery Administrator

  • The heads have been on the shelf. I built them a while ago for a friend. She has a 71 Trans Am and wanted to have a spare set for her car. As such they were going to be kept for that purpose. Built for a .600 lift camshaft with Hydraulic Lifters th...

    • The heads have been on the shelf. I built them a while ago…
    • Views: 938
    • By: Gallery Administrator

  • Now in this formula for High Output these are the Cubic Money purchase. Not many of these motors were made in the first place. Second, try to find a nice set of heads like this. Go ahead look now. Time will have to be your buddy.

    • Now in this formula for High Output these are the Cubic Mone…
    • Views: 1002
    • By: Gallery Administrator

  • In the case of these heads I will change the Rocker Arm Studs with 7/16ths ARP Units. They will hold up to the increased lift of the Camshaft that the motor will need to breath with. He will also need a good exhaust to keep it all working right. I w...

    • In the case of these heads I will change the Rocker Arm Stud…
    • Views: 1039
    • By: Gallery Administrator

  • There is no need to replace the factory pushrod guide plates. I have yet to see one of them fail. I have never seen a set that was not in the correct postion and they are damn well engineered.

    • There is no need to replace the factory pushrod guide plates…
    • Views: 1163
    • By: Gallery Administrator

  • I will leave on the Oil Deflector Skirts to keep down the oil consumption. This is just a good idea as far as the motor design goes. I think I will change the Retainers. In this particular build the idea was to stay stock. I do not like utilizing s...

    • I will leave on the Oil Deflector Skirts to keep down the oi…
    • Views: 903
    • By: Gallery Administrator

  • The ten degree retainers are far less likely to drop a valve into the combusion chamber now days and I think that having a valve stuck into your rare and hard to find cylinder head is not a good thing.

    • The ten degree retainers are far less likely to drop a valve…
    • Views: 872
    • By: Gallery Administrator