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Thread: mounting 4.3 rad

  1. #1
    Registered User
    Join Date
    Sep 2005

    mounting 4.3 rad

    what did u guys use to mount ur 4.3 rad....i accidentally got rid of the old rubber mounts and now i need a way to mount it in the newly sliced and diced core support. i thought about bolting it on the top using chunks of old serpentine belts as rubber washers between bolts and nuts and just putting rubber hose ...or maybe that protective/insulative hose wrap used in home heating around the edges of the rest......

    what are your opinions / ideas?
    1992 Jimmy, UNDER CONSTRUCTION, handful of bod mods, v8, and a pain in my ass

  2. #2
    Join Date
    Nov 2002
    Lyndon, Kansas
    well not sure about yours, but on mine its flush with the inside edge of the core support, so i just put a flat piece of steel plate around the border and that holdes it in.

    89' S10 blazer 4wd: 355, 650 dp, rpm intake, comp 282 roller cam, modified vortecs, T56 Six speed, 8.8 ls rear, headers, x-pipe, spintech pro street mufflers, and......AC

    Blazer burnout video -

  3. #3
    5.7L VORTEC 350 blazin4low's Avatar
    Join Date
    Aug 2002
    i used the old rubber and some metal clips that were lying around to hold mine in.......the old belt or a inner-tube from a bicycle
    Tuned by Bland Tuning
    Transmission built by Transbuilderguy on FSC!
    Marine Intake swap by me

  4. #4
    Registered User stretch59's Avatar
    Join Date
    Mar 2003
    My radiator was moved about half way into the core support and I used upper mounting brackets from a late 80's GM from the u-pull-it yard. I don't remember what model they are from. I can send a picture if you like. They are plastic with the rubber part and fit the 4.3 core just fine.

    I think I modified the same bracket for the lower mount, I'll have to look.

    PM me for a hi-res pic...
    Gotta get rid of these left over 95 Camaro parts. Need doors???

  5. #5
    ls1+t56+01=love low86blazer's Avatar
    Join Date
    Jul 2004
    Hockey town of pittsburgh
    I did the same as superbee. I recessed mine into the core support, and it sits flush with the core now. so i made triangle pieces out of sheet metal and screwed them in each corner.
    Quote Originally Posted by bayhustle81 View Post
    can i add the vortec to this 4.3 if it didnt come with one?
    Quote Originally Posted by Superbee View Post

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