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Old 03-02-2015, 06:31 PM
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What is the demand for used factory 243 heads? It sounds silly to ask but the GTO guys want nothing to do with them. From what I've observed at least. A lot of them go with some form of a ported 243 or ls3 conversion.
Old 03-02-2015, 07:24 PM
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id say theyre a decent budget head. ive heard you can make good power when theyre worked on.
Old 03-02-2015, 07:34 PM
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What is the demand for used factory 243 heads? It sounds silly to ask but the GTO guys want nothing to do with them
2/3rds of GTO owners don't want them because they already have 243 heads. Only the 04 owners may be interested in running them, but even then most looking for the best bang for the buck will want the 243s but also ported. Only a few 04 guys looking for a modest upgrade might be interested in the stock units which is why there doesn't seem to be demand over there.

But on ls1tech where the majority of people are LS1 owners there will be more demand.
Old 03-02-2015, 07:48 PM
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Redtan, good point.
Old 03-12-2015, 08:44 PM
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is their much to be gained with 243 heads over lm7 heads
Old 04-03-2015, 12:47 PM
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The popularity of them started from being on the LS6 C5 Z06...More potential when worked on over the stock Fbody heads.
Old 04-18-2015, 08:36 AM
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243 if N/A
If you plan on boosting, I'd stick with what you have
Old 04-20-2015, 05:18 AM
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Originally Posted by 96aSSkicker
243 if N/A
If you plan on boosting, I'd stick with what you have
Ohh yea? Could you please explain why?



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