Old style intake on vortec heads ?






















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  1. #1
    Join Date
    Feb 2010
    Posts
    6

    Default Old style intake on vortec heads ?

    Is it possible to make a non highrise cast intake work on vortec heads ? I have heard that people modify the intake to bolt on, but no details...and I've also heard that it can't be done.

    Our rules don't exclude the vortec heads, but they do exclude aluminum intakes. Must be oem cast iron intake, and not be any kind of high rise or marine part.

    Any one want to share some experience on this ?

  2. #2

    Default

    I have seen it done before. you have to take the holes on the intake and elongate them so you can get clearance for the bolts to go straight down into the vortec head. I bought an aluminum intake a few years ago that came with some washers/inserts that you could use to bolt the intake down to the vortec heads.

  3. #3
    Join Date
    Jan 2008
    Location
    On. Canada
    Posts
    416

    Default

    we have done it you and as 17 has said you have to take the holes on the intake and elongate them so you can get clearance for the bolts to go straight down into the vortec head.

    http://www.castheads.com/marine_vortec_2_4_barrel.php

    heres a bolt on ready deal but you looking at some $$$$$
    62 mini mod

  4. #4
    Join Date
    Jul 2007
    Posts
    119

    Default

    Do a seach for part number GM 14097499. It's a stock cast iron vortec intake.

  5. #5
    Join Date
    May 2007
    Posts
    1,093

    Default

    i think eq and rhs both make vortec heads with the old style intake pattern. these would be hard to beat for the price.
    http://cgi.ebay.com/ebaymotors/CHEVR...Q5fAccessories

  6. #6
    Join Date
    May 2008
    Posts
    10

    Default

    drill and tap the heads for the old intake. Price.... FREE
    dont expect the ports to match
    Last edited by ssr1st; 02-25-2011 at 09:06 PM.

  7. #7

    Default

    you can also search junkyards late 86 87 i think 88s some gm cars such as the impala camero and the trucks had a carb still avalible and thus had the cast carberated intake for the vortec style heads. these will have a spread bore pattern

  8. #8
    Join Date
    May 2007
    Posts
    1,093

    Default

    Quote Originally Posted by wildchildc200 View Post
    you can also search junkyards late 86 87 i think 88s some gm cars such as the impala camero and the trucks had a carb still avalible and thus had the cast carberated intake for the vortec style heads. these will have a spread bore pattern
    those are not vortec heads. vortec heads didnt come out until the 96-up trucks.

  9. #9
    Join Date
    Dec 2007
    Location
    northwest,ar
    Posts
    74

    Default

    Quote Originally Posted by stockcar5 View Post
    those are not vortec heads. vortec heads didnt come out until the 96-up trucks.
    true! the heads they are talking about or the junk tib heads they dont flow for @#$% true vortecs only have 4 bolts on each side 2 in front 2 in rear that go straight down like a ford intake bolt and you can have the heads redrilled for old style intake

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