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post #1 of 3 (permalink) Old 04-02-2016, 12:40 PM Thread Starter
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How much HP can a stock 2006 GTO handle?
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post #2 of 3 (permalink) Old 04-02-2016, 02:10 PM
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Welcome to the forum!
Start on the forum page and select the proper page, you are on the '64-'74 tuning and HP page and the new gen guys may not see your question here.

Service, Maintenance and Technical Discussion - Pontiac GTO Forum
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post #3 of 3 (permalink) Old 04-02-2016, 11:18 PM
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If its an automatic, they're pretty stout. I Never had an issue with 500whp, most don't. Upgrade the insert and put fresh fluid/modifier in (I used torco).

If you have a manual, you need to make sure you don't have wheel hop if you want it to hold up.

1970 GTO 400 ~ 4 Speed
2008 G8 GT
2005 GTO - Gone
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, LeMans & GTO Engine Tuning and High Performance

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