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Best Header for SB...

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by sturzinator, Sep 17, 2001.

  1. sturzinator

    sturzinator Newbie

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    Looking for the best header that you guys have used that will 1) clear the A/C bracket, and 2) WON'T LEAK!! Price not an issue here.

    OR, what is involved in modifying the A/C bracket to accept most headers?

    Vehicle is an '85 K5 Jimmy w/TPI 350, and A/C.
     
  2. ChevyCaGal

    ChevyCaGal 3/4 ton status

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    I have Edelbrock TES headers and like them a lot... check them out on their site www.chevycagal.homestead.com/steph.html
     
  3. Thunder

    Thunder 3/4 ton status

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    The Edelbrock TES is an easy bolt on with no modifications to any brackets. I'v had mine on for 2 years with no leaks at all. I just retorque the bolts once a year.They are very well made and build good torque. However they may have front driveline clearence problems if you have over a 4" lift.

    <a target="_blank" href=http://coloradok5.com/gallery/Thunders-Blaze>http://coloradok5.com/gallery/Thunders-Blaze</a>
    <font color=blue>NEVADA: Where the pavement ends, and the West begins.</font color=blue>
     
  4. Cmoe

    Cmoe 1/2 ton status

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    Doug Thorley's are my fav..... their legal in all 50 states......

    C'moe

    <font color=black>the blazer is "Back in Black"
     
  5. Pugsley

    Pugsley 1/2 ton status

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    My El Cheapo Hedmans don't leak, and clear the A/C, as well as all the other questionable clearance areas by a long shot. Mine's also an 85 - I'll get pics if you'd like.

    Special thanks to those lost from IAFF Locals 94 and 854 - You shall never be forgotten
    <a target="_blank" href=http://pugsley.alloffroad.com>pugsley.alloffroad.com</a>
     
  6. mike reeh

    mike reeh 1/2 ton status

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    THORLEY
     
  7. DesertDueler

    DesertDueler 1/2 ton status

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    I personally like the heddmans. They are cheap and dont leak. Get the high temp coating and they will last forever. I run the heddmans on my firbird and love them. When I get around to it I will put them on the Jimmy.

    86 Jimmy 4"lift 35"MTRs Other cars 69Firebird w/525 hp,and 70GTO live in PHX,AZ<a target="_blank" href=http://www.geocities.com/modifierperformance>My vehicles</a>
     
  8. CaptCrunch

    CaptCrunch 1/2 ton status

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    I've heard many good things about thorleys... otherwise I will always go Hookers. Never had a problem with them, for cheapies I'd had decent luck w/ Dynomax and a go quality gasket, but they take a bit more work to fit then the Hookers.

    -Mikey
    1987 Chevy K5 Blazer- 350 TBI
    <a target="_blank" href=http://coloradok5.com/gallery/captcrunch>http://coloradok5.com/gallery/captcrunch</a>
     
  9. ftn96

    ftn96 1/2 ton status

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    If price is not an option than you need the THorley's, HANDS DOWN!
    But is you wanna save the money for other things then go with any of the others they have mentioned. But the
    Thorley's have a damn thick flange on them to do nothing more than to help prevent the preverbial header leak problem.

    "you know... the guy with the BAD A$$ spring perches!!![​IMG]
    <a target="_blank" href=http://www.nashvillek5.freeservers.com>www.nashvillek5.freeservers.com</a>
     
  10. Burt4x4

    Burt4x4 3/4 ton status

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    ahhh, I have Hedmens and they LEAK. I've had them on my rig for about 6yrs now and the pass side flange is warped and leaks. I've tried all the difeernt styles of gaskets and the only way I'm gonna stop the leak is to double up the gasket on that side.
    For low end torque the Tri-Y design is the best!! Thorley has a great Tri-Y design and the flange is HELLA thick so they should not warp. I will go with Thorleys when I redo my exahast system.......soon, hmmm I think I just figured out what to get for Xmas[​IMG].........

    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <a target="_blank" href=http://www.geocities.com/baja/5099>www.geocities.com/baja/5099</a>
     
  11. sturzinator

    sturzinator Newbie

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    Thanks for all the suggestions!! Sounds like the Thorley's have it... and the price to match it WOW!! Now if I can just find an "under the table" shop to mount a true dual exhaust I'm in there!
     
  12. ftn96

    ftn96 1/2 ton status

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    Well you said price was not an issue!

    "you know... the guy with the BAD A$$ spring perches!!![​IMG]
    <a target="_blank" href=http://www.nashvillek5.freeservers.com>www.nashvillek5.freeservers.com</a>
     
  13. Impex

    Impex 1/2 ton status

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    will thorleys clear the ORD's extended shackle mount i read somewhere that someone had trouble with them rubbing on the front shackle.
     
  14. BorregoK5

    BorregoK5 1/2 ton status

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    While we're on the subject, what about spark plug clearance. The Thorley Dual Y design looks like it gets real close to the spark plug in a few places. Anyone running these? I had the Flowtech Tri Y which were close but manageable as well as the Hookers which needed insulation boots to prevent ambient heat from hardening a few of the plug caps. Anyone?

    What, Me Worry?
    <a target="_blank" href=http://www.echobit.com:81/k5/> The 'BEFORE' pictures</a>
     
  15. solowookie

    solowookie 1/2 ton status

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    I got some hooker super comps, and a pair of flowtech afterburners... I like both headers, but the flowtechs don't clear the factory oil filter with the stem for the oil coolers lines [​IMG]...

    for the price ($185 for ceramic coated), and the fact that the way I use this k5 an oil cooler isn't a bid deal, I love the headers...

    my supercomp hookers only have 2 plugs that you cannot get to with a rachet (rear 2 on the left above the starter), and they clear the filter real good. however, there is also a price tag of a little over 300 so I'm about 140 cheaper on the flowtechs.

    <font color=blue> Jeff - may the force be with you</font color=blue>
    <a target="_blank" href=http://coloradok5.com/gallery/Jeffs-Stuff>link to k5's</a>
     
  16. ChevyCaGal

    ChevyCaGal 3/4 ton status

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    You can also get NKG spark plus which are shorter and will help some. There is a heat wrap for headers too. Just make sure if you wrap them it won't void the warrenty on them....

    GOD BLESS AMERICA!!!
    &lt;&gt;&lt; MARK 1:17 &gt;&lt;&gt;
     
  17. mike reeh

    mike reeh 1/2 ton status

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    napa (among other places) sell a real nice spark plug wire boot insulator, its that asbestos like material (maybe it is asbestos, dunno) with a metal ring on one end.. they're real thick and work excellent.. I think they look good too but they're fairly pricey.. I needed em though.. with my stock exhaust manifolds, a new set of plug wires wouldnt last a week.. probably because I didnt have the stock tin heat shields on though.. and I wasnt about to try and put em on.. those things are bogus.. go with the heat shields and you'll never look back

    mike
     
  18. Liberator

    Liberator 1/2 ton status

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    I have DynoMax hedders that hit ORD's extended shackle! Next time I'll go with some shorties.

    Bo

    If it breaks, it wasn't good enough!
     
  19. lasvegas

    lasvegas 1/2 ton status

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    I have the Thorleys on my truck and have had zero problems of any kind. Easy to put on. They clear everything. They clear the plugs, the boots, the ORD shackles on my truck and everything else. They are very close to the passenger side shackle and it looks like that shackle seeps more grease out of it than the others (greasable) but that is easy to fix, just put more grease in it. The headers don't leak either.
     
  20. ftn96

    ftn96 1/2 ton status

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    Case closed!!!!

    "you know... the guy with the BAD A$$ spring perches!!![​IMG]
    <a target="_blank" href=http://www.nashvillek5.freeservers.com>www.nashvillek5.freeservers.com</a>
     

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