i have a silverado with a 4.8 and have done just about everything to it minus the crank, boaring,nos, turbo, super. im looking to get even more power out of it with out having to buy a new engine. what kind of cost am i looking at? i live in houston. also i i already hav 317 heads milled .005

 

Stroker kits are expensive...you can get a 6L cheaper.

 

im sure those 317s are helping you on that motor unless u plan on doin FI. Id lose those and get u some 243 milled down to bump your compression up. what else is done to it??

 

What yr truck are you working on? In sure you dropped a **** load of compression putting on 317. Save your self te hassle and buy a 6.0. A stroker kit will be pricey once u factor in machine work

 

What are you wanting to stroke it to? You can get a 5.3 crank and rods fairly cheap, then you'll have a flat top piston 5.3L. Swap the 317's with some 243's for a 9.9:1 CR 5.3, or mill them .030 for a 10.5:1 (roughly, probably closer to 10.3:1) 5.3L.

Other than that... I'd go with what everyone else is saying and swap in a 6.0, cheaper than a stroker kit and unlocks more power to be had via mods.

 

05 silverado z71 extended cab.I bought the 317s and milled them 05. Cheatr v3 cam. 219/230 .607/.604 117 lsa, cold air intake 82 mm tb, pacesetter headers pushrods springs. Dual timing chain. True3" dual. Eaton posi 4.10 rear/4.10 front. Transmission cooler.dyno tune. I'm riding on 285 70 17s. Not sure about getting a torque converter though. Cus I use my four wheel driveeven though I heard.i could use a 3000 stall safely. As far as stroking it I'm open to suggestions. Thanks for the responses.

 

man honestly just grab an LQ4 short block for around 500 or so and throw in your cam heads and bolt ons.

 

Before i would stroke a 4.8 i would buy a turbo kit for it since u have 317s for lower comp. Or buy an lq4/lq9 shortblock and use your heads/cam and the rest of your parts. U could be seein 350-380 rwhp on a 6.0