GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

07 rcsb performance question????

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Old Jan 4, 2007 | 11:58 PM
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how many miles should it have till it sees the track?
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Old Jan 5, 2007 | 12:07 AM
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501, just enough to allow for the 500 mile break in.
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Old Jan 5, 2007 | 12:17 AM
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but all does 500 miles i can floor it right so she can get use to it... i want to get stock number first then fully bolt ons
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Old Jan 5, 2007 | 12:19 AM
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with those huge rims all those bolt ons will probibly get you back to stock times. LOL
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Old Jan 5, 2007 | 12:25 AM
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i am not going to run on 24's
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Old Jan 5, 2007 | 12:26 AM
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hey dude
the intake should work, i've seen it done already with a little modification, those trucks are so detuned from factory, its to funny, you'll see once you get it.
oh yea, do what my friend does, "break it in" good from the get go, seems to be working for him.

call me when you get it, maybe we can see how fast it runs with a 07classic.
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Old Jan 5, 2007 | 12:29 AM
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hey dan are you ready to tune this one....ill be seeing you soon for this truck
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Old Jan 5, 2007 | 12:40 AM
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what 07 classic? izzis the single cab he got the guy who use to have the rio deal pewter?
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Old Jan 5, 2007 | 12:45 AM
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Originally Posted by cherrypopper
hey dan are you ready to tune this one....ill be seeing you soon for this truck
10-4

no another truck, white 07 classic.
back on topic, we need to find out about the pulley and headers, so we can see how much faster these 07's are than previous years. guess you'll be the guinea pig.
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Old Jan 5, 2007 | 01:03 AM
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the stock tune on the 2006 trucks is very shitty too. they both have the PE enrichment rate set to .0195 and you never enter PE until late second gear and the commanded a/f ratio under PE on mine @ 3500 rpm's (peak torque) was 11.28!?!
anyways, get that bitch tuned. I dropped .7 seconds off my ET with a basic tune, no fueling mods yet other than PE EQ and enrichment rate and rev limiter.

pulley's should work if its a LM7 or L33. if you can figure out what engine code you have that'd be sweet. I can't remember if the 07 classics get a new motor or whatever.

headers should work, I haven't seen the fram though. I'd bet the frame didn't change much, they've used a pretty basic frame design since the 80's.
have fun with the new truck, I feel like mine's old now and I've only had it 8 months
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