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ls1 bad timing

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Old Sep 5, 2016 | 11:02 PM
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Default ls1 bad timing

I did a H/C swap on my 01 SS... Started fine but then it started losing power and sounded like the timing was off... So I tore it apart again retimed started it up again, sounded normal and drove strong for about 10min. Then it lost power and sounds out of time again. Tore it apart again and everything seems fine... Is it because of no tune yet? Mods: 243 heads, torquer v2,ported ls6 oil pump, ls2 timing chain,ls7 lifters, full bolt ons
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Old Sep 6, 2016 | 12:36 AM
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it's not going to run well without a tune
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Old Sep 6, 2016 | 01:30 PM
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Like mentioned above. A tune is definitely required.
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Old Sep 6, 2016 | 01:33 PM
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Yes most likely because of no tune
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Old Sep 6, 2016 | 01:49 PM
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Props on getting it to run 10 minutes. When I did my first cam the only way I could keep it running was to keep revving it.
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Old Sep 7, 2016 | 01:21 PM
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Originally Posted by svede1212
Props on getting it to run 10 minutes. When I did my first cam the only way I could keep it running was to keep revving it.
ditto
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