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6.0 heads on LS1?

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Old 08-09-2011, 06:42 PM
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Default 6.0 heads on LS1?
Looking to procharge my LS1, Can I use 6.0 heads to lower compression or is that a bad Idea and cause blown headgaskets?
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Old 08-09-2011, 06:43 PM
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I believe the 6.0 has the 243 heads which you can put on the ls1
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Old 08-09-2011, 07:12 PM
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Im looking at a set of 317's off a LQ4
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Old 08-09-2011, 10:12 PM
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Originally Posted by 00ss6speeder
Looking to procharge my LS1, Can I use 6.0 heads to lower compression or is that a bad Idea and cause blown headgaskets?
yes u can use 6.0 LQ4 and LQ9 heads which are 317 castings. just use a 4in bore head gasket and you will be fine.

243s are not 6.0 heads. but they do come on the newer 5.3 trucks.
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Old 08-10-2011, 02:36 AM
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243s came on the 05-06 GTO LS2 engines which obviosly is a 6.0 just not the LQ4. For the OP is is a good idea to run 317s for FI
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Old 08-10-2011, 05:09 AM
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Originally Posted by 00ss6speeder
Looking to procharge my LS1, Can I use 6.0 heads to lower compression or is that a bad Idea and cause blown headgaskets?
Yes it is common practice just use 6.0 MLS gaskets.
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Old 08-10-2011, 12:30 PM
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Originally Posted by Whiteaw57
243s came on the 05-06 GTO LS2 engines which obviosly is a 6.0 just not the LQ4. For the OP is is a good idea to run 317s for FI
ha ha i didnt even think about that. i was thinking only about the truck motors.
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