446ci Ford FE build
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446ci Ford FE build

  1. #1
    steelcomp was here
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    Default 446ci Ford FE build

    Thought I'd post up the last project I just finshed. A 446 ci Ford FE engine that was brought to me to help fix some valve train issues. The customer had this engine built by a "reputable" engine builder and for a year, he continued to fight valve train issues, never really getting the engine to run correctly. Finally he was convinced to contact Chris Straub regarding a cam change, and Chris referred him to me since he was here on the west coast, only a few hours away. The costomer was done with the original engine builder who didn't seem to be able to fix the problems and was looking for someone who could. Unfortunately, it turned into a real can of worms, but in the end, it all worked out. Thanks to Chris for the referral, and hopefully another satisfied customer.
    The engine is going in a '63 Galexy and will hopefully run in the NHRA Super Street class on a 10.90 index.

    Here's what the customer brought to me: 4.09 bore x 4.25 stroke Eagle crank, Eagle 6.800 rods, CP 14:1 pistons, ported Edelbrock heads and a huge solid roller with springs that were 300# seat, 700# open.



    Right off the bat there was an obvious problem. Notice how far out the adjuster screws are on the rockers.



    Rocker alignment was off a mile:



    Geometry was off as well:

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    steelcomp was here
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    The initial plan was to remove and inspect the heads, get some flow numbers, order a cam from Chris, and re-assess the valve train, establish the correct geometry and order new pushrods. Once I pulled the intake, this is what I saw that I had to work with:



    When the head were pulled and I did the inspection, it was no surprise to find the guides were all completely worn and needed replacing. I also got a better look at some of the "professional" port work:







    Last edited by scott foxwell; 07-28-2010 at 12:05 PM.
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    ...timing chain had over a half inch of slack:



    ..and this is what I found in no. 8 cyl:



    Needless to say, that's not good. The decision was made to pull the bottom end and at least have the block honed and look at the piston.
    Last edited by scott foxwell; 07-28-2010 at 12:24 PM.
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    steelcomp was here
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    It only gets worse...here's what the inside of the pan looked like on an engine that's less than a year old, and has very few hours on it.





    Got silicone? Anyone who knows FE's or even has a good eye might see an immediate problem with the mains (no.2 and no.4).

    Last edited by scott foxwell; 07-28-2010 at 08:15 PM.
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    Ouch....hey if you know anybody who wants a set of nice tunnel port heads and a holman-moody ford part number dual quad intake, I have them. came off of a thunderbolt 427 deal many many years ago.

    also a really nice .015 over 427 side oiler block and i think 2 or 3 cranks left, both 427 with plugs and 428's.
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    Quote Originally Posted by 1QuickCP View Post
    Ouch....hey if you know anybody who wants a set of nice tunnel port heads and a holman-moody ford part number dual quad intake, I have them. came off of a thunderbolt 427 deal many many years ago.

    also a really nice .015 over 427 side oiler block and i think 2 or 3 cranks left, both 427 with plugs and 428's.
    Call Cstaub - he is looking for a couple of blocks look at his profile for phone #
    " my carbon footprint is gonna kick your green ass"


    Quote Originally Posted by 396_Ways_To_Spit View Post
    WOWO!!!!! THat has to be the most beautiful crank that Ive ever seen!!!!!!!!!!!!!!!!


    Quote Originally Posted by MAXIMUS View Post
    He has been allowing me to park my equipment in his backyard for a few years now...
    [/SIGPIC]
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    Quote Originally Posted by 1QuickCP View Post
    Ouch....hey if you know anybody who wants a set of nice tunnel port heads and a holman-moody ford part number dual quad intake, I have them. came off of a thunderbolt 427 deal many many years ago.

    also a really nice .015 over 427 side oiler block and i think 2 or 3 cranks left, both 427 with plugs and 428's.
    Sent you a PM.
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    so needless to say he got not the good end of the deal
    WFLC


    2011 Performer SS
    built by Scott Seastrom.
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    One thing about FE passenger block performance builds is, there are certain basic oil mods necessary that are mandatory for any performance build. Unfortunately, none were done to this engine.
    The first is to drill out the passage from the oil pump to the filter mounting pad. This hole is 3/8" dia. and everything down stream is either 7/16 or 1/2". If you don't drill this passage, any other oil mods are pointless.

    It's not easy to do with a regular drill bit, but with a piloted core drill, it's no problem.



    Then the hole under the pump needs to be opened up...:



    ...and blended:



    The oil passaged in the no. 1, 2 and 4 main webs need to be aligned with the bearing grooves:



    I spent about an hour on the main webs and outside of the block with a grinder and cartridge roll, deburring and blending casting flash and sharp edges:

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    Quote Originally Posted by 1QuickCP View Post
    Ouch....hey if you know anybody who wants a set of nice tunnel port heads and a holman-moody ford part number dual quad intake, I have them. came off of a thunderbolt 427 deal many many years ago.

    also a really nice .015 over 427 side oiler block and i think 2 or 3 cranks left, both 427 with plugs and 428's.
    What is your number?
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW
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    Quote Originally Posted by hotbo View Post
    so needless to say he got not the good end of the deal
    Yeah...I didn't mention the bearings were toast, and the crank needed grinding. This thing was a burnout away from sticking a rod through the side. Needless to say, the owner wasn't too pleased with all this.
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    Wit the block oil mods done and casting flash removed, off it went to the machine shop for a torque plate hone and have the mains checked. Another critical thing with FE's is honing with torque plates. The tops of the cylinders can pull as much as .004"-.005" out of shape. Some guys have seen 40-50hp difference with/without using torque plates. When we were done honing, it was obvious the previous builder didn't use them, and how much things moved with them.
    So with the crank and block out of the way, it's time to focus on the heads.
    First thing to do was clean up the ports and straighten out that mess.









    Last edited by scott foxwell; 07-28-2010 at 01:37 PM.
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    Quote Originally Posted by 1QuickCP View Post
    Ouch....hey if you know anybody who wants a set of nice tunnel port heads and a holman-moody ford part number dual quad intake, I have them. came off of a thunderbolt 427 deal many many years ago.

    also a really nice .015 over 427 side oiler block and i think 2 or 3 cranks left, both 427 with plugs and 428's.

    Riverracer to the white courtesy phone please, Riverracer to the white courtesy phone.


    S CP

    "Dark Sarcasm"
    Going fast is only half the fun ... what you make go
    fast is the other half.
    " A Government big enough to give you everything you want is big enough to take away everything you have"
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    Quote Originally Posted by steelcomp View Post
    Wit the block oil mods done and casting flash removed, off it went to the machine shop for a torque plate hone and have the mains checked. Another critical thing with FE's is honing with torque plates. The tops of the cylinders can pull as much as .004"-.005" out of shape. Some guys have seen 40-50hp difference with/without using torque plates. When we were done honing, it was obvious the previous builder didn't use them, and how much things moved with them.
    So with the crank and block out of the way, it's time to focus on the heads.
    First thing to do was clean up the ports and straighten out that mess.











    What did the head come out to Cc wise ?
    " my carbon footprint is gonna kick your green ass"


    Quote Originally Posted by 396_Ways_To_Spit View Post
    WOWO!!!!! THat has to be the most beautiful crank that Ive ever seen!!!!!!!!!!!!!!!!


    Quote Originally Posted by MAXIMUS View Post
    He has been allowing me to park my equipment in his backyard for a few years now...
    [/SIGPIC]
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