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Thread: someone help before i make the wrng decision.
          
   
   

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  1. #1
    unklslam41 is offline CHR Member Visit my Photo Gallery
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    someone help before i make the wrng decision.

     



    i have a 350 sbc in a 1986 c10. i am wanting to change the heads out. the casting numbers now are 14014416 i believe they came off a 305. i know someone who has a set of 3927185 that i can get for 250.00. they have minor porting 3 angle valve job .600 springs and roller rockers freshly rebuilt. would i benefit anything from putting these heads on or would it hurt me. i will be installing a cam and intake also. any thoughts

  2. #2
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: '32 Henway
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    3927185, 69, 1.72/1.50, 200-210 hp, 70cc Chambers
    Haul 'em off for scrap in my opinion. The guy should be paying you to take them out of his garage.

    Here's value for your money:
    http://www.summitracing.com/parts/EDL-5089/
    http://www.summitracing.com/parts/RHS-12317-01/
    http://www.summitracing.com/parts/RHS-12410-01/
    http://sdparts.com/details/scoggin-d...enter/sd8060a2
    Use this intake manifold with the L31 Vortec heads...
    http://sdparts.com/details/edelbrock/e7116

    I would also caution you about using a flat tappet cam. Pat McCarthy won't use 'em anymore without the customer signing a release of liability and I won't recommend them either. You can get into a Howard's juice roller for 500 bucks.

    An idea I like even better is to find a '96-'00 L31 motor (long block), build it in your spare time at your own pace, then install it over a weekend and sell the motor you take out. They have become popular, but you should be able to find a long block for around 500 bucks. Do the spring upgrade for lift over 0.430". Optional, buy an L31 short block and bolt on the L31 heads I have linked above. They already have the right springs and retainers and are ready to bolt onto your block.

    Here are some casting numbers for you....
    Block
    10243880...350ci/5.7L...95-00...2 or 4 bolt mains
    Vortec truck (& other apps), roller cam, one pc rear seal

    Heads
    10239906 or 12558062...center bolt valve covers and narrow body
    "self-aligning" rocker arms. 906 heads are the extra heavy duty and most, but not all, have exhaust valve seat inserts.
    Last edited by techinspector1; 12-18-2010 at 02:37 PM.

  3. #3
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Scrap iron prices are still climbing though, might want to hold them for another month or so !!!!!
    Yesterday is history, tomorrow is a mystery, Live for Today!
    Carroll Shelby

    Learning must be difficult for those who already know it all!!!!

  4. #4
    unklslam41 is offline CHR Member Visit my Photo Gallery
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    i dont know if this makes a difference but its for a 86 c10 thats has a 350 in it. carbeurated.

  5. #5
    unklslam41 is offline CHR Member Visit my Photo Gallery
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    hey tech inspector how do my heads i have now stack up. 14014416 on my 350. i just need more power. i have installed a edelbrock intake and edelbrock 600cfm carb. those heads seemed decent but i guess i was wrong. i really dont have the money for aluminum ones right now

  6. #6
    JeffB2's Avatar
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    The 416 heads are better than the 185's with smaller chambers you have more compression,since this is in a heavier truck your focus needs to be on torque at low and midrange,so what Edelbrock intake are you using? and have you changed camshafts? If your funds are limited we need to find the "best bang for the buck" that fits the budget.There is an old saying" Horsepower costs money,how fast do you want to go?"

  7. #7
    unklslam41 is offline CHR Member Visit my Photo Gallery
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    i bought the edelbrock performer intake. stock cam but i really wanna change it. not looking for a race truck just some more power. dont wanna be like all the other c10s out there

  8. #8
    26 roadster's Avatar
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    check whitesperformance1 on ebay aluminum heads for 650.00, pair, loaded in Kingsport, TN

  9. #9
    techinspector1's Avatar
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    Quote Originally Posted by unklslam41 View Post
    i bought the edelbrock performer intake. stock cam but i really wanna change it. not looking for a race truck just some more power. dont wanna be like all the other c10s out there
    Wrong intake. Pick up 30-40 hp with a RPM or Weiand Stealth.

  10. #10
    unklslam41 is offline CHR Member Visit my Photo Gallery
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    can anyone reccomend a decent cam to gain a few hp. my heads are stock and the casting number gm14014416

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