std 5 speed trans 99 chevy k2500

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std 5 speed trans 99 chevy k2500

Post by Dibby »

i have a 1999 Chevy K2500 with a vortec 5.7 and 5 speed trans. I am currently deciding my plan as far as an engine rebuild. I'm most certainly thinking forced induction, so i want the drive-line capable of handling between five and six hundred hp.. does anyone know what type of manual trans was implemented on this year/ model truck? I have yet to get any numbers from it, but it appears to have a bolt on aluminum bell housing and a cast steel case. It has PTO access covers on both sides of transmission housing. Does anyone know the likely model, and if it is known for being durable?

orange ss
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Post by orange ss »

sound like an NV4500, used in 3/4 ton and 1 ton trucks..very durable for pulling/towing...unsure of high performance durability, I would imagine it would hold up as long as your not beating on it every time you turn the key

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