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Guys:

I have a 2004 Z06. Mods on my web site.

Future plans are most likely heads cam package. Maybe LG's heads cam with the G5X-1E (emissions cam). It put out 450rwhp/430rwtq. That's impressive !
http://forums.corvetteforum.com/showthread.php?t=1136220

I plan to keep the engine at stock 346ci.

I was wondering with the above pacakge what would work best as far as throttle body and intake ?
1.) 78mm LSX intake and polished throttle body.
2.) 90mm LSX intake and Nick Williams 90mm throttle body.

Will I really see an improvement with the 90mm setup on my 346ci motor ? 90mm setup really worth the extra bucks $$$ ?

Thanks
Z49
 

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Keep your stock LS6 intake until you do a big cam and heads. Then go to the 90 mn. The 78 mn upgrade is not worth the money over the stock LS6 intake. :cheers:
 

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The Nick Williams TB is a good piece of hardware but I doubt that a 90mm can be put to good use on a 5.7L engine. (JMO) :thumb:
 
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