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07-07-2008, 09:41 AM #1
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- Aug 2005
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- 2009 Honda Civic
need help, putting ls2 in 99 trans am
has anyone done the swap yet? I recently blew the ls1 so im putting the ls2 in its out of trailblazer ss i plan on swapping intake and cam of course but what else should be done. Im not looking for serious power just some go when i need at so im not doing anything to radical. i do have a couple questions, will the original computer from the ls1 work for the ls2? also what would be a good cam to go with? thanks
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07-07-2008, 10:09 AM #2
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- Thornton, CO
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Red Tint Jewelcoat- 2008 Trailblazer SS
Known swap for sure.
The computer will work, but the harness will need a couple of minor changes. Cam position sensor and knock sensors require a bit of changing.
I believe someone may even make a simple harness kit for that particular swap.
How cheap are you getting the LS2?? Normally I don't recommend going with another stock motor unless you are getting a KILLER deal on it.2008 Trailblazer SS
Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
Lowered, HID's, tinted.
1999 Pontiac Trans Am WS.6 #1747 SOLD
531.1 RWHP 481.3 FT/Pounds all motor.
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07-07-2008, 10:33 AM #3
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- Aug 2005
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- 2009 Honda Civic
Last edited by MikesYellow98GT; 07-07-2008 at 10:36 AM.
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07-07-2008, 10:35 AM #4
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My life is a- Ben Stiller movie.
this sounds so bad ass! that's a lot of HP for a light ass fbody
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07-07-2008, 10:38 AM #5
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Red Tint Jewelcoat- 2008 Trailblazer SS
You been drinking??
The LS2 makes a whooping 30-35RWHP more than an LS1. Granted, with bolt-ons and such it gets better.
3500 pounds is not light.
As for the extending of the wires...call TSP/Thunder/Futral. I honestly don't know if that will work or not. Some sensors require a specific size wire for resistance.
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07-07-2008, 02:26 PM #6
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- Aug 2005
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- 38
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- 2009 Honda Civic
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07-07-2008, 02:28 PM #7
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07-07-2008, 02:41 PM #8
I copied and pasted most of this info from a different site. Start searching, its easy for stuff like this...
To use an LS1/LS6 pcm/harness on an LS2, you will need a knock sensor extension harness along with LS1/LS6 knock sensors,
and also a cam sensor extension harness
SDPC sells a kit with all of the plugs, dowels, bolts, and the other parts listed above that are needed if you have a bare
LS2 block. It is $324.95.
Reluctor Wheel *IMPORTANT*
Gray = 58X
Black = 24X
1997-2005: 24x crank, 2x cam
2006+: 58x crank, 4x cam
06 Corvette LS2/LS7 = 58X
06 GM crate engine = 58X
06 GTO and 06 Trailblazer SS LS2 are carryover 24X engines
If swapping 58x into a factory car that originally had an LS1 then you should change the reluctor so everything in the car operates normally (traction control, gauges, etc.). If you are doing a hot rod, street machine, etc., then no need to change. Just set it up using the new Corvette computer designed
for the 58X engines.
If you have an '06 or newer LS2 the reluctor wheel must be changed on the crank as the LS1 style PCMs can not read the signal.
That is a direct copy/paste .... Try searching around on other sites if you can not find the info. But that right there is a great start.
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07-07-2008, 04:06 PM #9
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Navy Blue Metallic- `98 Formula M6 HdTp
^^^^Yeah I was going to say be wary of the reluctor differences cause if it's wrong you'll have to pull the engine back out to replace the reluctor wheel.
Craig
Semi Retired Street Racer
2012 Lava Red Mustang GT Coupe Brembo/3.73's
Build Date 3/17/11, Last Lava Red GT
Gone but not forgoten
NBM `98 Formula M6 HdTp
1 of 1 Build Date 3/12/98
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