tune up

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Dec 11, 2004 | 12:27 PM

#11

augiedog77

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From: Ontario, Canada

get the iridium plugs,

GM is not recommending the double platinum plugs for these engines due to the problems they've been having with them. Iridiums are now their recomendation for the LS engines

Gerry

Dec 11, 2004 | 09:20 PM

#12

user 108208932024

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I have some ACdelco(if I remeber right) Iridiums and couldn't feel any diffrence over stock, although I'm sure they don't hurt.

Dec 12, 2004 | 03:31 AM

#13

Faze2183

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From: San Antonio Tx

alrights at 70k miles ill do a tune up with those puppys

Dec 12, 2004 | 04:40 AM

#14

sfj

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Joined: Sep 2004

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From: DFW

well another vote for the 55's

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