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Thread: Stroking a 5.3

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  1. #1
    Join Date
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    Hope Mills, NC
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    if you already have the 6.0 stroke that. make it a 408 no replacement for displacement
    2005 GMC RST *sold
    2006 Silverado SS with nawz

  2. #2
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    Fort Worth
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    Quote Originally Posted by SNEEKY View Post
    if you already have the 6.0 stroke that. make it a 408 no replacement for displacement
    +1.

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  3. #3
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    Oct 2009
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    Quote Originally Posted by SNEEKY View Post
    if you already have the 6.0 stroke that. make it a 408 no replacement for displacement
    This would definitely be the way to go. Much cheaper too. The only advantage I could see would be that 5.3 blocks are dirt cheap for building a motor outside of your truck. That was one point I took into consideration when choosing how to do mine, but in hindsight I would have done a 408. But I am sure I will be plenty happy with my 383.
    2003 GMC K1500 ECSB running an Iron 383 Stroker ......

  4. #4
    Join Date
    Nov 2007
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    Quote Originally Posted by SNEEKY View Post
    if you already have the 6.0 stroke that. make it a 408 no replacement for displacement
    majority of ppl that go 408 cant afford the proper intake/heads/headers/exhaust to see the true motors power potential so they see numbers smaller cube motors see
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  5. #5
    Join Date
    Nov 2003
    Location
    Denton Texas
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    that would be me! LOL

    I wonder who makes the best longtubes that would fit my 408 GMT900? Don't want to buy a set and they not fit. Kooks fbody header are hard to justify but its a possibility if someone can prove they fit. A better port job than a stage 2 is obviously needed since my 408 was a turd when I was running the LS2/90mm intake and longtubes along with the stage 2 ported patriot heads.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #6
    Join Date
    Nov 2007
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    Quote Originally Posted by RedHeartbeat View Post
    that would be me! LOL

    I wonder who makes the best longtubes that would fit my 408 GMT900? Don't want to buy a set and they not fit. Kooks fbody header are hard to justify but its a possibility if someone can prove they fit. A better port job than a stage 2 is obviously needed since my 408 was a turd when I was running the LS2/90mm intake and longtubes along with the stage 2 ported patriot heads.
    i got a ported fast 90 i could let go for right price but now with the 102mm intake i would use that with a set of TFS 245 heads, 240-250 cam, dual 3" with the big boy headers and let that boy shine. toss mad timing at it, lean that fucker out and youll see huge numbers from that
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

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