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Thread: 706 Heads??

  1. #1
    Join Date
    Mar 2011
    Location
    Gibbstown, NJ
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    685

    706 Heads??

    Are my stock 5.3 706 heads worth anything to use for a build or should I just turn them into door openers?
    2001 ECSB Z-71: 7.0L LS7, Kook's LT's, True Duals, RPM Tune, F.A.S.T. Intake/TB, YANK TT3000, 4:10's, G80, AWD Swap, 160-Stat.....
    Slowest in South Jersey ..........SOLD :-(
    2012 GMC Sierra Z71 CC: 6 Speed, 3:73's, G80, Back up DD...........SOLD
    2000 RCSB Shitbox.......370LSx/Built 60e/4.56's,EATON Posi, CAI,3" SLP Exhaust, DD.......Build Thread http://www.ls1truck.com/forums/my-ga...ker-punch.html

  2. #2
    Join Date
    Dec 2006
    Posts
    4,033
    get the worked and they'll be useful!
    Simple: 408 on steroids!
    single digits coming soon!

  3. #3
    Join Date
    Mar 2011
    Location
    Gibbstown, NJ
    Posts
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    I think I am just going to use them for a port polish refresher course....no one seems to think they as good for anything, sooo no loss here

  4. #4
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    5,979
    If you have them worked well they will bump the compression on your 6.0.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  5. #5
    Join Date
    Nov 2008
    Location
    Paris, Texas
    Posts
    1,732
    just make sure they are not the castech heads and you'll be good to go

  6. #6
    Join Date
    Oct 2008
    Location
    Scott, Arkansas
    Posts
    424
    2005 Silverado SS AWD
    AEM CAI, ARH LTs, HD-2 shift kit with vette servo, Circle D 278mm 3200 stall Madtunesracing.com street tune (MTR now has a Dynojet 248 chassis dyno)

    13.82 @ 94.92 w/1.83 60'

  7. #7
    Join Date
    Feb 2011
    Location
    Barnwell, SC
    Posts
    471
    WOW. WTF is that^^.......O ok, I can make out a few things. I guess it relates because of "heads"?
    99 Silverado 4.8l : Soon to be 80E swapped, then 6.0 swapped, ......
    05 Yukon Denali 6.0l : Nelson Performance Tune, ......
    8X S10 Blazer on a 8X 3/4 ton frame : 5.3l swapped, Nelson Performance tune, Schoenfeld LT's, 226/226 .598/.598 112, TH350, planetary doubler, NP 205, locker, spool, 38's, ......
    Quote Originally Posted by blacksss46 View Post
    couldn't agree more. its like boobs you'll get a C and end up wanting a D...just get the bigger one and be happy

  8. #8
    Join Date
    May 2010
    Location
    el paso, tx
    Posts
    167
    06ccsb, cammed, stalled, geared

  9. #9
    Join Date
    Oct 2008
    Location
    Scott, Arkansas
    Posts
    424
    Quote Originally Posted by bstill View Post
    WOW. WTF is that^^.......O ok, I can make out a few things. I guess it relates because of "heads"?
    You don't see how that link is relavent to this thread? He has some 5.3 heads and wants to know if they're worth using...that link shows what 5.3 heads are capable in the hands of a good porting shop.
    2005 Silverado SS AWD
    AEM CAI, ARH LTs, HD-2 shift kit with vette servo, Circle D 278mm 3200 stall Madtunesracing.com street tune (MTR now has a Dynojet 248 chassis dyno)

    13.82 @ 94.92 w/1.83 60'

  10. #10
    Join Date
    Feb 2011
    Location
    Barnwell, SC
    Posts
    471
    You must have not seen the foreign porn link that was up there a few days ago. I read the LS1TECH thread and it was very relevant and informative.

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