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Old Sep 26, 2008 | 01:58 PM
  #21  
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Impresive!
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Old Sep 26, 2008 | 03:09 PM
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Nice job. Thanks for taking the time to post all of the info, I really appreciate it!

Russ
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Old Sep 26, 2008 | 03:17 PM
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Originally Posted by FarmTruc
he'll definitely test it out, he tows his drag car to the track and bonneville quite a bit.

As far as heat, the tvs just doesn't heat up. While it's on the dyno all this time, iat's never reach over 109degs! That's with back to back runs and 72deg outside.

I'll try to get some feedback posted when I see him for the next round of mods.
EXACT same thing I've seen with my IATs. Even with the 2.8" pulley mine never go over 122 degrees while cruising. When I hit boost and the bypass closes the temps actually drop.
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Old Sep 26, 2008 | 03:21 PM
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6700rpm with the stock valve springs? If so I might turn my shift points up a bit.

I've also noticed slightly less low end torque but, the 1900 does NOT fall off like the 112 did.
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Old Sep 26, 2008 | 03:24 PM
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Hey Allen

Have you messed with the VVT settings at all in the upper rpm range yet?
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Old Sep 26, 2008 | 03:46 PM
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Originally Posted by XLR8NSS
EXACT same thing I've seen with my IATs. Even with the 2.8" pulley mine never go over 122 degrees while cruising. When I hit boost and the bypass closes the temps actually drop.
How many lbs of boost are you getting with that 2.8 pulley?
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Old Sep 26, 2008 | 03:48 PM
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Originally Posted by XLR8NSS
Hey Allen

Have you messed with the VVT settings at all in the upper rpm range yet?
I don't like turning the engine that high either, with stock springs, but hey, it hasn't blown up and it's still pulling and no valve float, so it's good.

Ya, i turned vvt off, I wanted just one timing table to deal with. When I have more time, I'll play with them and see what happens with the drivability and charger.
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Old Sep 26, 2008 | 03:48 PM
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Old Sep 26, 2008 | 04:01 PM
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Originally Posted by Sambo53
How many lbs of boost are you getting with that 2.8 pulley?
I have no idea!!

I ran a 2 bar MAP sensor with the 3.4" and 3.2" pulleys which were 5psi and 6.3psi respectively. I had to remove the 2 bar MAP sensor because of tuning issues with it but, going off of the other two pulleys I'm ***UMING that the 2.8" is around 9psi.
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Old Sep 26, 2008 | 04:05 PM
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Originally Posted by FarmTruc
I don't like turning the engine that high either, with stock springs, but hey, it hasn't blown up and it's still pulling and no valve float, so it's good.

Ya, i turned vvt off, I wanted just one timing table to deal with. When I have more time, I'll play with them and see what happens with the drivability and charger.
Yeah, I have mine zeroed out also. I might mess with it the next time I'm at the track though. Usually retarding the cam timing is supposed to help in the upper rpms right? My stock table had up to 8 degrees of retard by 5600rpm if I remember correctly.
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