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Thanks for your reply. As for compression ratio, I don't really know since it is not on the original window sticker, nor in any of the printed literature that came with this monster, nor under the hood. Unfortunately the Haynes manual is no good f...
Hey Waz Sup? I'm a 24yr master mechanic in Michigan A couple of questions OK ? Whats the engines compression ratio? Very important! Also what grade of gas is being burned? Buy the BEST you can. Also what grade of oil are you using? Sounds like it ...
Well, we have been driving our stock 2003 2500 Bad 'Burban for a couple of months now after finally getting the broken exhaust manifold bolt fixed. We love this green monster! Now, I have another question that I'd like some input on. Upon start-up...
Comment Wall (3 comments)
- At 11:28am on September 1, 2009,
Bad 'Burban said…
- Hey Pat,
Our Sub has a factory stock 496. Everything is completely stock, loaded with almost every option possible except for sunroof and all wheel steering. As for 93 octane, no we haven't tried it since usually computer chips are set to run at specified ratings and I didn't know what running a higher level octane would do to operating temperature etc. Would you recommend trying a synthetic oil since it is due for an oil change? Thanks for any recommendations.
Kevin
- At 9:03am on September 1, 2009,
Pat Murray said…
- So which is it stock or a after market 496?
Have ya tried 93 octane? send some more info and pics youve given me next to no info to go on.Your friend Pat~
- At 9:33pm on December 27, 2008,
model builder said… - Hi how u doing, i own a suburban too!!
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