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

6.2 VVT Cam Swap questions!!!!!

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Old 11-19-2012 | 01:33 PM
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don't feel bad, the only stealth i have going for me is moving. idle isn't stealthy anymore.
Old 11-19-2012 | 01:38 PM
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Originally Posted by ak2007r6
You want the wideband before the cat not after. After will mess up the readings.

I have thought about selling most my gauges and just going with a single Aeroforce myself. Haven't looked to far into it yet but personally it seems like you could get all your info in one gauge and keep it more stealth.

I have the AEM right now though and love it, no complaints.
This was the thought I had pertaining to the Aeroforce, 1 gauge does it all and thats it. The traditional widebands always looks sweet when ya hit the throttle tho!

I forgot all about the rear O2 sensor being post cat therefore it was a stupid question. I suppose if you had a cat-less Y pipe it would be relevant. Well looking like I better get a gauge and pod along with the UD pulley so I can do it all at once.
Old 11-19-2012 | 01:46 PM
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Originally Posted by Area47
i was more curious than anything else on the pr length.

put the wideband pre cat, not post. post will skew the final readings. i just had a bung installed in the drivers side header collector as to not bother with the rear 02's as they are post cats.

the biggest pain in the *** i had was setting the cam/crank gears dot to dot. took about 4 tries to get it set. also, pay very close attention to the directions on the cam phaser limiter kit from comp. check out the vvt sticky at the top of the forum as well.
What did you run for PR length? Are you still VVT and no milling or diff gaskets?
Old 11-19-2012 | 01:49 PM
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Originally Posted by Area47
don't feel bad, the only stealth i have going for me is moving. idle isn't stealthy anymore.
At hwy speeds out of boost it just has a slight rumble so that's about the only time people don't look twice. I have gotten use to the supercharger whine but I am noticing more and more people doing a double take at intersections and idling through parking lots LOL.

Originally Posted by shaw_426hemi
This was the thought I had pertaining to the Aeroforce, 1 gauge does it all and thats it. The traditional widebands always looks sweet when ya hit the throttle tho!

I forgot all about the rear O2 sensor being post cat therefore it was a stupid question. I suppose if you had a cat-less Y pipe it would be relevant. Well looking like I better get a gauge and pod along with the UD pulley so I can do it all at once.
My wideband looks like Christmas lights LOL. It's always blinking all over the place under normal driving. All I care about is when I smash the gas and that it's where it needs to be LOL

Let me know how you like the Aeroforce if you go with it.
Old 11-19-2012 | 02:01 PM
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Originally Posted by ak2007r6
At hwy speeds out of boost it just has a slight rumble so that's about the only time people don't look twice. I have gotten use to the supercharger whine but I am noticing more and more people doing a double take at intersections and idling through parking lots LOL.

I can't wait for those looks from people! I suppose I should just bite the bullet on a gauge just so I know this thing is where it needs to be AFR wise right after the cam and the baseline tune from justin. I'm not as concerned as with a FI setup but i would rather spend $400 now on a gauge than $XXXX later on internals.
Old 11-19-2012 | 02:35 PM
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Originally Posted by shaw_426hemi
What did you run for PR length? Are you still VVT and no milling or diff gaskets?
im still on stock pushrods right now and the ls9 springs. so, needless to say i rarely go over 5k in the truck. i need to sit down with the pushrod checker again and double check everything again. last time i did it, i was in a hurry and forgot to write everything down.

stock heads at 50k miles. never been off.
Old 11-20-2012 | 03:34 PM
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OP that package sounds perfect.

Area47 the extra push rod length is for the slightly smaller base circle. Same length here works great no noise, no float. Funny thing is my cammed 6.2 valvetrain is quieter than my stock cammed truck's lol
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