do heads really add that much power?
08-03-2004, 08:52 PM
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do heads really add that much power? http://cgi.ebay.com/ebaymotors/ws/eB...category=33617
the guy claims heads from a hummer with a stage 1 port job can add upwards of 70hp to an ls1/ls6... is this true?
the guy claims heads from a hummer with a stage 1 port job can add upwards of 70hp to an ls1/ls6... is this true?
08-04-2004, 07:20 PM
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Originally Posted by M6HuggerSS
the HUMMER has a 6.0 ltr.....
NFW is right!!!!
not even the AFR will add 70hp.
NFW is right!!!!
not even the AFR will add 70hp.
https://ls1tech.com/forums/showthrea...hlight=afr+205
but on the above mentioned heads...NOT!
