Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Jan 26, 2010 | 11:03 AM
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Default Intake swap

I have a lq4 goin In a coupe I have a ls1 intake off a 97 vette
will truck injectors work or do I need to get ls1 injectors and same question for
fuel rail? I'm using an aero a1000 pump and reg so the reg will be my return.
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Old Jan 26, 2010 | 11:43 AM
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You will need car intake, rails and injectors. If you have a regulator buy rails with only one port.
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Old Jan 26, 2010 | 11:55 AM
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Thanks Alot keep hearing that they will work then hear they won't work appreciate it
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Old Jan 26, 2010 | 11:58 AM
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If you go to the truck forum, you can find that others have used the truck injector/rail in a LS1/6 intake. But if there's a height clearance issue, the fuel rail sticks up a long ways. I got an LS1 intake, injectors, and rail for under $100, swapped the LS injector plugs, and had the computer reprogrammed for the injectors when the VATS, O2 sensor, etc changed.
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Old Jan 26, 2010 | 12:06 PM
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This is a pretty comprehensive thread.

http://www.ls1truck.com/forums/front...take-swap.html

Read it a few times, there's a lot of info there, helped me a lot.

Basically you don't need a custom idler pulley bracket, you can use a longer bolt and some washers. You also don't need to switch you waterpump because you can heat up and twist the inlet/outlet so its no longer in the way. The lS1 style plugs are part# msd-2400. I haven't found any other ones, if anyone has a cheaper source please post up.
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Old Jan 26, 2010 | 12:19 PM
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Alright thanks for info guys now what's the diff between truck coils and ls1 coils guy wants to trade me my truck coils for his car coils
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Old Jan 26, 2010 | 12:26 PM
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I've heard a variety of things about coils, just keep the coils that go with the computer and harness, no worries.
Source for LS1 injector pitails.
https://ls1tech.com/forums/conversio...-adapters.html
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Old Jan 26, 2010 | 02:25 PM
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Ok I found a set of 99 vette injecters and prob just do aftermarket rails
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Old Jan 27, 2010 | 08:58 PM
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Ok I got rails and injectors on now where does the plug that is on thE
very top of the truck intake it's the one that seals up a hole bout 1/4 big
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Old Jan 27, 2010 | 11:09 PM
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a pic would help
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Old Jan 28, 2010 | 05:41 AM
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Can't get a pic till tonight it's a three wire plug that is on very top and towards the
back of truck intake. It's held in the intake with clips looks like some type of gromment or
somehing. I think the same provision for this plug is on very back of ls1 intake by the vacuum ports
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Old Jan 28, 2010 | 08:16 AM
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MAP sensor?
There's also a purge solenoid, near the front. Cant remember the wire count.
Do you have a wiring diagram for your motor? That and the wire colors should confirm.
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Old Jan 28, 2010 | 09:22 AM
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Might be map sensor the sensor on top near front also takes a quick connect line which I believe run down with fuel lines. The plug I'm talkin bout only takes electric plugs but has rubber grommet that fits in top of intAke
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