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6.0 liter to ls1 questions

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Old Feb 8, 2009 | 08:27 PM
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Default 6.0 liter to ls1 questions

Hello, I was thinking on either getting a ls2 motor or just a 6.0 liter truck motor the cast iron ones. Now with either of these if i just get a short block shouldn't i be able to put my ls1 heads on it and my oil pan and all my other stuff correct ? But if i wanted a cam I would have to get a 6 liter cam ? any Help would be appriaciated.
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Old Feb 8, 2009 | 09:03 PM
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The 6.0 liter iron motors, as far as I know, utilize the same cam sensor as the ls1, which is located in the rear of the motor. Someone correct me if I'm wrong but pretty much all the "LS" cams have the cam sensor machined into the rear of the cam to accomidate the sensor. The LS2's utilized the cam sensor which is mounted in the front cover so the sensor gets its signal, for lack of a better term, from the upper, large timing gear. 1x gear for the 24x motors and 4X for the 58x motors. Hope that helped.
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Old Feb 8, 2009 | 09:41 PM
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Originally Posted by 68 RS Convertible
The 6.0 liter iron motors, as far as I know, utilize the same cam sensor as the ls1, which is located in the rear of the motor. Someone correct me if I'm wrong but pretty much all the "LS" cams have the cam sensor machined into the rear of the cam to accomidate the sensor. The LS2's utilized the cam sensor which is mounted in the front cover so the sensor gets its signal, for lack of a better term, from the upper, large timing gear. 1x gear for the 24x motors and 4X for the 58x motors. Hope that helped.
Correct, the LQ4/LQ9 (6.0 iron block) will be a direct swap. The LS2 will require a little rewiring to get it to work, it has been done many times though.

The set up I want:
LQ9 short block
243 heads
LS6 intake manifold
ported TB
228R cam
LT headers
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Old Feb 8, 2009 | 11:59 PM
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Ok so if i can pick up a LQ9 short block that would be the way to go then i take it. Also how would that cast iron block with the stock internals except of the cam i put in it and whatnot do with a 150 wet shot ? Also i would have to get LQ9 cam for it not a cam for a ls1 correct ?
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Old Feb 9, 2009 | 12:01 AM
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oh also how much would the lq9 weigh compared to the ls2 block ?
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Old Feb 9, 2009 | 12:15 AM
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also how do i tell the difference between the lq9 and the lq4 block ?
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Old Feb 9, 2009 | 07:13 AM
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With the LQ4/9 block, you can use any LS1 cam. The iron block would probably wiegh around ~90lbs more. The only way to tell the difference between the LQ4 and the LQ9 block would be to look at the pistons. The LQ9 has flat top pistons and the LQ4 has dished pistons.
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Old Feb 9, 2009 | 10:54 AM
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ok thanks alot. And if i were to find a ls2 block what all would i have to change to make it work ?
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Old Feb 9, 2009 | 10:56 AM
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Originally Posted by Pate_2008
ok thanks alot. And if i were to find a ls2 block what all would i have to change to make it work ?
I think all you have to do is reroute the pigtails for the cam and crank sensor up front, and replace the 58x reluctor ring with a 24x.
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Old Feb 9, 2009 | 11:16 AM
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Ok thanks alot. I think i wanna get a LQ9 block i just need to find a lower miles one.
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