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4.8 sierra magnacharger

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Old 09-23-2008, 04:30 PM
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Default 4.8 sierra magnacharger

We have 02 sierra 4.8 with magnacharger the kit was used it was installed on 6.0 denali ,when bought it we did not get the magnacharger injectors so we bought a 44lb injector ,one of the guys told me that it is not the proper size so could you tell me what is the proper size and about the trans it is 100% stock do i need something to instal to get a good performance?
Old 09-23-2008, 04:32 PM
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Originally Posted by wot_denali
We have 02 sierra 4.8 with magnacharger the kit was used it was installed on 6.0 denali ,when bought it we did not get the magnacharger injectors so we bought a 44lb injector ,one of the guys told me that it is not the proper size so could you tell me what is the proper size and about the trans it is 100% stock do i need something to instal to get a good performance?
Your goin to need something in the trans to help it live longer... and a stall would help get off the line.. if thats what your lookin for.
Old 09-23-2008, 09:41 PM
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You're going to need 42lb marine injectors (call us if you need some), an inline or intank pump, walbro 255 (we have those too).
To make it all work, you'll also need a pcm calibration/tune.

Like it was mentioned above, a transgo HD-2 shiftkit and vette servo will help the transmission survive.

good luck,
allen
Old 09-23-2008, 09:49 PM
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And a large tranny cooler!!
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