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04-06-2014, 11:35 AM
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#1 |
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Registered User
Join Date: Mar 2014
Location: New orleans
Posts: 28
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LSX454 question
I'm in the process of purchasing a LSX454 for my 67' c10, my question is which company offers the better ECM/ wiring harness? I've been looking at Texas-speed & Southern performance. Any info or suggestions would be great help thanks
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04-06-2014, 12:49 PM
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#2 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: LSX454 question
How about a GM dealer...like Pace Performance or something? Unless the stock 620hp (or whatever it is) isn't enough...there's always the LSX454R.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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04-06-2014, 01:10 PM
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#3 |
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Registered User
Join Date: Mar 2014
Location: New orleans
Posts: 28
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Re: LSX454 question
Yeah 640hp is more than enough I'm just looking for a turnkey package
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04-06-2014, 01:53 PM
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#4 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: LSX454 question
Just have one made by someone like fuelinjectionconnection or any of the other qualified makers. Most will source an ECM for you, but afaik you can source another GENIV pcm and have it setup for your 454. It uses most of the same sensors as the others, just has greatly different fuel requirements etc. Some of the aftermarket ECM's don't support DBW, and others don't support any of the trak control system (if you care).
Whatever you do, with that engine DO NOT GET IT MAIL ORDER TUNED.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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04-06-2014, 07:21 PM
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#5 |
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Registered User
 
Join Date: Nov 2007
Location: Vernon, Texas
Posts: 331
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Re: LSX454 question
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04-07-2014, 10:22 AM
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#6 |
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Registered User
Join Date: Dec 2002
Location: Cactus Patch So. Az
Posts: 4,749
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Re: LSX454 question
Take a look at turnkeyengines.com, mild to wild, how thick is your check book?
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53 TuTone Extended Cab 350 4-Spd 3:08 (SOLD) 53 Chevy Moldy pearl green ZZ-4 4L60E 9" 3:25 55 GMC 1st Black Mll (ZZ4) ZZ6 TKO 600 5 sp 3:73 62 Solidaxle Corvette Roman Red (327 340hp 4spd 3:36) C4 & C5 suspension tube chassis LS 3 4L70E 65 Corvette Coupe 327 350hp 4spd 4:11 78 Black Silverado SWB (350/350) 5.3 & 4L60E 3:42 2000 S-Type 3.0 (wife cruiser) 2003 GMC SCSB 5.3 4L60E 3:42 |
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04-10-2014, 10:25 PM
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#7 |
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Registered User
Join Date: Mar 2014
Location: New orleans
Posts: 28
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Re: LSX454 question
Thanks for the help, I'm gonna go with Texas-speed
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