08 Sierra Denali 6.2 Texas Speed 2.2 VVT Cam
Thought I would share a sound clip of my brothers Texas Speed 2.2 VVT cam in his 2008 Sierra Denali. Most people recommended removing the VVT, but thought we would run it with it to see how it feels, which is pretty good. Installed new phaser, phaser limiter, double valve springs, and hardened pushrods.
Cam Specs: 227/239, .629"/.629", 113 LSA Has Speed Engineering long tubes with their header back kit with dumps before the axle. Obnoxiously loud! Also did the flex fuel pump, FPCM flash, 50# injectors, and flex fuel sensor. It ran 13.8 with headers, Circle D 3200 stall, and a flex fuel tune I did for him. Going to the track tomorrow to get some new track times. Start up: Idle: |
Sounds awesome. Can't wait to hear what it runs.
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Always wondered how the aftermarket handled tooning VVT setups. Nothing like some polydimensional VE calibration to work on during the wee hours of the morning...
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in for track times too, sounds great
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Sounds amazing! Is this AWD or 2wd? 3.42 or 3.73 gears? Any weight reduction for the 13.8 run?
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First pass was a 13.10. Going to take some fuel out and see if we can squeak into the 12's.
Second pass was a 12.93 and be broke out of the bracket. |
Impressive. What MPH?
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Originally Posted by Vortec350ss
(Post 5421407)
Impressive. What MPH?
105.66 and a 1.87 sixty. I think with a little more work on the tune and a better launch, maybe 12.7's? The K&N cold air kit is a restriction. Down to 96 KPA at the top of third gear. Going to do a 4" intake and cartridge MAF which should help as well. |
Originally Posted by smokeshow
(Post 5421368)
Always wondered how the aftermarket handled tooning VVT setups. Nothing like some polydimensional VE calibration to work on during the wee hours of the morning...
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Originally Posted by 01FormulaTA
(Post 5421389)
Sounds amazing! Is this AWD or 2wd? 3.42 or 3.73 gears? Any weight reduction for the 13.8 run?
Awd, 3.73, and full weight. |
Damn nice numbers, got a smaller cam going in my yukon denali with the same supporting mods, just 3.42s. I was going to be happy if it dipped into 13s
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Damn that sounds good!
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I’m so ready to do the wife’s 08 Yukon Denali. I went with the GPI SS1, pretty comparable to yours, 2800 Circle D, already has Kooks 1 7/8ths headers. I wanna see people’s faces when she drives up and this big SUV chops that hard lol.
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He was hoping for a high 12, but I was a bit skeptical. I think with a little more tuning and some weight reductions, 12.7's are possible.
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Ptv
Hey 08 Sierra what kind of P2V clearance did you
have with that .629 lift cam ? |
How hard do you think it would be for a very green person to HP tuners. To tune this cam or the 1.2 with what TSP gives you.
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