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Can I get any more HP???

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Old 10-02-2008, 11:56 PM
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Default Can I get any more HP???

I just bought a 98 Z-28 m6 last month all stock. Added sum mods,AIR Delete, EGR Delete, SLP Lid, K&N Filter, Hooker LT, custom 3in Y-pipe, 3in exhaust to a flowmaster 80 series, LS6 intake, LS6 valve springs, Comp hi-tech 7.400 push rods, GMPP ASA cam, 226in/236ex 525/525 110lsa. Took it to the dyno it put down 348rwhp and 351 lbtq thats with out any kind of tuning or anything, A/F reading was right on giv or take a few tenth, except at idle. The guys at the dyno shop are using EFI Live but are new to it is there anything i should have them try on the tune to get sum more power out of it?????? THKS.

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Old 10-03-2008, 12:42 AM
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Ummm...haha

Definitely find someone who knows what they are doing!!

Where are you located? I'm sure you can find a sponsor on here that is near here to tune your vehicle.

The car has potential to be near 390hp! Please get a decent tune and don't go wide open throttle or stomp around on it untuned.
Old 10-03-2008, 05:51 PM
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I would recommend a cut out or a better flowing muffler. I'm buy no means any sort of expert but are the LS6 springs a little weak for that cam?
Old 10-03-2008, 06:16 PM
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Originally Posted by formulaon18s
I would recommend a cut out or a better flowing muffler. I'm buy no means any sort of expert but are the LS6 springs a little weak for that cam?
Yep. I agree to free up power with that cam you need basically no exhaust backpressure.

There is an article I found somewhere on the internet using google, that showed the asa cam made only 2 hp more than a 02+ z06 cam on a stock vehicle. It wasn't until they ripped off the exhaust until they saw a gain of 25...

My ASA with the same mods (except gmmg over flows) with a tune made only about 10 more horse than your setup.

From what I've seen people making good power with that cam are running true duels.




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